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high definition audio soundmax codec AD1984A rev. 0 information furnished by analog devices is believed to be accurate and reliable. however, no responsibility is assumed by analog devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. specifications subject to change without no tice. no license is granted by implication or otherwise under any patent or patent rights of analog devices. trademarks and registered trademarks are the property of their respective owners. one technology way, p.o. box 9106, norwood, ma 02062-9106 u.s.a. tel: 781.329.4700 www.analog.com fax: 781.461.3113 ? 2008 analog devices, inc. all rights reserved. features microsoft vista premium logo for desktop 96+ db audio outputs, 90 db audio inputs wlp 3.0 and 4.0 security feature prevents unauthorized recording 2 stereo headphone amplifiers internal 32-bit arithmetic for greater accuracy impedance and presence detection on all jacks full analog mixer with dac inputs 3 independent microphone bias pins digital and analog pcbeep 3 general-purpose digital i/o (gpio) pins 3.3 v analog supply voltage 1.7 v to 1.9 v or 3.3 v digital supply voltages 1.5 v or 3.3 v hd audio link signaling voltage advanced power management modes 48-lead, rohs compliant lfcsp_vq package 192 khz dacs/adcs 2 independent stereo dac/adc pairs simultaneous record of 2 stereo channels simultaneous playback of 2 stereo channels independent 8 khz, 11.025 khz, 16 khz, 22.05 khz, 32 khz, 44.1 khz, 48 khz, 88.2 khz, 96 khz, 176.4 khz, and 192 khz sample rates 16-, 20-, and 24-bit resolution selectable stereo mixer on outputs stereo digital microphone interface two 192 khz digital microphone channels supports 1 or 2 microphones per pin selectable bit clock rates of 1.5 mhz, 2.0 mhz, and 3.0 mhz mono and stereo array support 8 khz, 11.025 khz, 16 khz, 22.05 khz, 32 khz, 44.1 khz, 48 khz, 88.2 khz, 96 khz, 176.4 khz, and 192 khz sample rates 16-, 20-, and 24-bit resolution s/pdif output supports 44.1 khz, 48 khz, 88.2 khz, 96 khz, 176.4 khz, and 192 khz sample rates 16-, 20-, and 24-bit data; pcm and ac3 formats digital pcm gain control auxiliary pins stereo cd/auxiliary i/o port with ground sense stereo auxiliary/dock i/o port mono out pin for internal speakers or telephony figure 1. function al block diagram adc0 adc1 dac0 dm_clk dm_1/2 dm_2 digital microphone mono out port a port d port f AD1984A h d a u d i o i n t e r f a c e port b port e port c dac1 pcbeep hp hp digital pcbeep s/pdif
rev. 0 | page 2 of 20 | april 2008 AD1984A table of contents features ................................................................. 1 revision history ...................................................... 2 general description ................................................. 3 additional information .......................................... 3 jack configuration ................................................ 3 AD1984A specifications ............................................ 4 test conditions .................................................... 4 performance ........................................................ 4 general specifications ............................................ 4 hd audio link specification ................................... 7 power-down states ............................................... 7 absolute maximum ratings .................................... 8 esd caution ........................................................ 8 environmental conditions ...................................... 8 pin configuration and function descriptions ................. 9 digital microphone interface timing specifications ....... 12 hd audio widgets ................................................ 14 hd audio parameters ............................................. 15 widget parameters ................................................. 16 connection list ..................................................... 17 default configuration bytes ..................................... 18 outline dimensions ............................................... 19 ordering guide ..................................................... 19 revision history 4/08rev 0. initial version
AD1984A rev. 0 | page 3 of 20 | april 2008 general description the AD1984A audio co dec and soundmax? software provide superior high definition audio quality that exceeds vista pre- mium performance. the AD1984A has two 192 khz dac pairs, two 192 khz adc pairs, an s/pdif output, a 2-channel digital microphone interface, and digital and analog pcbeep. these features make the AD1984A the right choice for desktop and notebook pcs where pe rformance is key. the AD1984A is availa ble in a 48-lead, rohs compliant lead frame chip scale package in both reels and trays. see ordering guide on page 19 . additional information this data sheet provides a ge neral overview of the AD1984A soundmax codecs architecture and functionality. detailed widget information is availabl e in the AD1984A programmers reference manual. please contact your local analog devices, inc., sales representative for more information. jack configuration the guidelines shown in table 1 through table 3 should be used when selecting ports for particular functions. table 1. typical desktop configuration port function port a front panel headphone port b front panel microphone port c rear panel line-in/microphone port d rear panel line-out/headphone s/pdif optical/rca s/pdif output table 2. typical notebook configuration port function port a headphone port b microphone port c internal microphone port f internal stereo speakers s/pdif optical/rca s/pdif output table 3. typical notebook configuration with dock interface port function port a headphone port b microphone port c internal microphone port d dock line-out/headphone port e dock line-in/microphone port f internal stereo speakers s/pdif optical/rca s/pdif output
rev. 0 | page 4 of 20 | april 2008 AD1984A AD1984A specifications test conditions performance general specifications parameter test condition temperature digital supply analog supply mic_bias_in (via low-pass filter) sample rate f s input signal (frequency sine wave) amplitude for thd + n analog output pass band 25c 3.3 v 3.3 v 5.0 v 48 khz 1008 hz C3.0 db full scale 20 hz to 20 khz dac 1 1 dac/adc tests are performed with aes-17 filter enabled. 10 k output load: line-out tests 32 output load: headphone tests adc 0 db gain parameter min typ max unit line-out drive (10 k loadsdac to pin) total harmonic distortion (thd + n) dynamic range (C60 db in ref to f s a-weighted) signal-to-noise ratio C86 96 96 db db db headphone drive (32 loadsdac to pin) total harmonic distortion (thd + n) dynamic range (C60 db in ref to f s a-weighted) signal-to-noise ratio C80 96 96 db db db microphone/line-in (pin to adc, mic boost = 0 db) total harmonic distortion (thd + n) dynamic range (C60 db in ref to f s a-weighted) signal-to-noise ratio C81 90 90 db db db parameter min typ max unit digital decimation and interpolation filtersf s = 8 khz to 192 khz 1 pass band 0 0.4 f s hz pass-band ripple 0.005 db stop band 0.6 f s hz stop-band rejection C100 db group delay 20 1/f s group delay variation over pass band 0 s analog-to-digital converters resolution 24 bits gain error (full-scale span relative to nominal input voltage) 10 % interchannel gain mismatch (difference of gain errors) 0.2 0.5 db adc offset error 1 5mv adc crosstalk 1 line inputs (input l, ground r, read r; input r, ground l, read l) C85 db line inputs to other C100 C80 db
AD1984A rev. 0 | page 5 of 20 | april 2008 digital-to-analog converters resolution 24 bits gain error (full-scale span relative to nominal input voltage) 1 10 % interchannel gain mismatch (difference of gain errors) 0.5 db total audible out-of-band energy (measured from 0.6 f s to 20 khz) 1 C85 db dac crosstalk (input l, zero r, measure r_out; input r, zero l, measure l_out) 1 C95 db dac volumes step size 1.5 db output gain/attenuation range C58.5 0 db mute attenuation of 0 db fundamental 1 C80 db adc volumes step size 1.5 db pga gain/attenuation range C58.5 +22.5 db analog mixer signal-to-noise ratio input to outputports b, c, e, or f to port d output 95 db step size: all mixer inputs C1.5 db input gain/attenuation range: all mixer inputs C34.5 +12.0 db analog line level outputs full-scale output voltage 1.0 2.83 v rms v p-p ports a, d, e, f, and mono out output impedance 1 190 external load impedance 1 10 k output capacitance 1 15 pf external load capacitance 1000 pf analog hp drive outputs full-scale output voltage 1.0 2.83 v rms v p-p ports a and d output impedance 1 0.5 external load impedance 1 32 output capacitance 1 15 pf external load capacitance 1 1000 pf analog inputs input voltagesports b, c, e, or f mic boost = 0 db 1 2.83 v rms v p-p input voltagesmicrophone boost amplifier, ports b, c, or e mic boost = 10 db 0.316 0.894 v rms v p-p mic boost = 20 db 0.1 0.283 v rms v p-p mic boost = 30 db 0.032 0.089 v rms v p-p input impedance pcbeep ports b, c, e (mic boost = 0 db) port f 23 150 45 k k k input capacitance 1 57 . 5p f parameter min typ max unit
rev. 0 | page 6 of 20 | april 2008 AD1984A microphone bias mic_bias-b, mic_bias-c mic_bias_in (pin 33) = 5 v or 3.3 v v ref setting = high-z high-z v ref setting = 0 v 0 v dc v ref setting = 50% 1.65 v dc mic_bias_in (pin 33) = 5 v v ref setting = 80% 3.7 v dc v ref setting = 100% 3.9 v dc mic_bias_in (pin 33) = 3.3 v v ref setting = 80% 2.86 v dc v ref setting = 100% 3.0 v dc mic_bias-e (when enabled as bias) v ref setting = high-z high-z v ref setting = 0 v 0 v dc v ref setting = 50% 1.65 v dc v ref setting = 80% 2.86 v dc v ref setting = 100% 3.0 v dc output drive current v ref setting = 50%, 80%, or 100% 1.6 ma gpio 0 input signal high (v ih )d v io 0.60 dv io v input signal low (v il )0 d v io 0.24 v output signal high (v oh ) i out = C500 adv io 0.72 dv io v output signal low (v ol )i out = +1500 a0 dv io 0.10 v input leakage current (signal high) (i ih ) 150 na input leakage current (signal low) (i il )C 5 0 a gpio 1 and gpio 2 input signal high (v ih )a v dd 0.60 av dd v input signal low (v il )0 a v dd 0.24 v output signal high (v oh )i out = C500 aav dd 0.72 av dd v output signal low (v ol )i out = +1500 a0 av dd 0.10 v input leakage current (signal high) (i ih ) 150 na input leakage current (signal low) (i il )C 5 0 a dm clock output signal high (v oh )i out = C500 aav dd 0.72 av dd v output signal low (v ol )i out = +1500 a0 av dd 0.10 v dm_1/2 and dm_2 input signal high (v ih )a v dd 0.60 av dd v input signal low (v il )0 a v dd 0.24 v input leakage current (signal high) (i ih ) C150 na input leakage current (signal low) (i il )C 5 0 n a s/pdif input signal high (v ih )d v io 0.60 dv io v input signal low (v il )0 d v io 0.24 v output signal high (v oh ) i out = C500 adv io 0.72 dv io v output signal low (v ol )i out = +1500 a0 dv io 0.10 v input leakage current (signal high) (i ih ) 150 na input leakage current (signal low) (i il )C 5 0 a parameter min typ max unit
AD1984A rev. 0 | page 7 of 20 | april 2008 hd audio link specification high definition audio signals comply with the high definition audio specification. please refer to these specifications at www.intel.com/standards/hdaudio. power-down states power supply analog (av dd ) 3.3 v 5% power supply range power dissipation supply current 3.13 3.30 75.9 23 3.46 v mw ma digital (dv dd ) 3.3 v 10% power supply range power dissipation supply current 2.97 3.30 141.9 43 3.63 v mw ma digital (dv core ) 1.7 through 1.9 v 10% power supply range power dissipation supply current 1.615 1.70 61 36 1.995 v mw ma digital i/o (dv io ) 3.3 v 10% power supply range power dissipation supply current 2.97 3.30 3.3 1 3.63 v mw ma digital i/o (dv io ) 1.5 v 5.5% power supply range power dissipation supply current 1.418 1.50 0.08 0.05 1.583 v mw ma power supply rejection (reference to f s 100 mv p-p signal @ 1 khz) 1 80 db 1 guaranteed but not tested. parameter min typ max unit parameter id vdd typ (1.7 v) id vdd typ (3.3 v) ia vdd typ unit function node in d0, all nodes active 36 43 23 ma function node in d3 15.75 17 1 ma function node in d3 1 1 maximum power saving mode ; register 0x31fd, bit 4. 7.5 7.5 1 ma codec in reset 333m a individual block power savings dac pair powered down saves (each) adc pair powered down saves (each) mixer power control (and associated amps) saves dm_clk powered down saves 2 mic_bias powered down saves 3 2 test conditions: 30 pf load , 2.0 mhz frequency, 3.3 v a vdd. 3 powering down the mic_bias powers down all port mic_bias pins. this disables all micr ophone bias circuits se t to 100% or 50%, s etting them to the high-z state. the 0 v and high-z states remain unaffe cted by the mic_bias power state. 4.5 4.5 0 0 0 6 6 0 0 0 5 3 2 1 0.1 ma ma ma ma ma
rev. 0 | page 8 of 20 | april 2008 AD1984A absolute maximum ratings stresses greater than those list ed below may cause permanent damage to the device. this is a stress rating only; functional operation of the device at these or any other conditions above those indicated in the operational section of this specification is not implied. exposure to absolute maximum rating conditions for extended periods may a ffect device reliability. esd caution environmental conditions ambient temperature rating: t amb = t case C (pd ca ) t case = case temperature in c pd = power dissi pation in w ca = thermal resistance (case-to-ambient) ja = thermal resistance (junction-to-ambient) jc = thermal resistance (junction-to-case) all measurements per eia-jesd 51 with 2s2p test board per eia-jesd51-7. parameter rating digital (dv dd ) C0.30 v to +3.65 v digital (dv core ) C0.30 v to +2.10 v digital i/o (dv io ) C0.30 v to +3.65 v analog (av dd ) C0.30 v to +3.65 v input current (except supply pins) 10.0 ma analog input voltage (signal pins) C0.30 v to av dd +0.3 v digital input voltage (signal pins) C0.30 v to dv io +0.3 v ambient temperature (operating) 0 c to +70 c storage temperature C65 c to +150 c esd (electrostatic discharge) sensitive device. charged devices and circuit boards can discharge without detection. although this product features patented or proprietary protection circuitry, damage may occur on devices subjected to high energy esd. therefore, proper esd precautions should be taken to avoid performance degradation or loss of functionality. package ja jc ca unit lfcsp_vq 47 15 32 c/w
AD1984A rev. 0 | page 9 of 20 | april 2008 pin configuration and function descriptions figure 2. AD1984A 48-lead package and pinout 1 2 3 4 5 6 7 8 9 10 11 12 2423 13 14 15 16 17 18 19 20 21 22 34 33 36 35 25 26 27 28 29 30 31 32 44 43 47 48 45 46 3738394041 42 AD1984Ajcp top view (not to scale) dv core dm_1/2 dv io dm_2 sdata_out bit_clk dv ss sdata_in dv dd sync reset pcbeep port-d_r port-d_l p o r t - c _ r p o r t - c _ l p o r t - b _ r p o r t - e _ l p o r t - f _ r p o r t - f _ l p o r t - b _ l p o r t - e _ r c d _ g n d ( p o r t f ) s e n s e _ a / s r c _ b sense_b/src_a p o r t - a _ l p o r t - a _ r e a p d / g p i o _ 0 r e s e r v e d ( n c ) a v d d d m _ c l k r e s e r v e d ( n c ) r e s e r v e d ( n c ) a v s s s p d i f _ o u t r e s e r v e d ( n c ) mic_bias_in mic_bias-b mic_bias-c gpio_2 mic_bias-e/gpio_1 mono_out av dd av ss vref_flt r e s e r v e d ( n c ) r e s e r v e d ( n c ) r e s e r v e d ( n c )
rev. 0 | page 10 of 20 | april 2008 AD1984A table 4. pin function descriptions mnemonic pin no. i/o description digital interface sdata_out bit_clk sdata_in sync reset 5 6 8 10 11 i i i/o i i link serial data output. AD1984A input stream. clocked on both edges of the bit_clk. link bit clock. 24.000 mhz serial data clock. link serial data input. AD1984A output stre am clocked only on one edge of bit_clk. link frame sync. link reset. AD1984A master hardware reset. digital i/o and eapd dm_1/2 dm_2 dm_clk gpio_2 mic_bias-e/gpio_1 eapd/gpio_0 spdif_out 2 4 46 30 31 47 48 i i o i/o i/o i/o o digital microphone 1 and 2 inputs (for biphase microphones), or digital microphone 1 input (for single-phase microphones). digital microphone 2 input (for single-phase microphones). clock to drive external digital microphones. general-purpose input/output pins. digital signals used to control or sense external circuitry. microphone bias for port e/general-purpose input/output. capable of high-z, 1.65 v, and 2.86 v. pin 31 shares functionality between mic_bias_e (default) and gpio_1. these functions are mutually exclusive and the mic_bias function takes priority over the gpio function. eapd/general-purpose input/output pin. pin 47 shares functionality between gpio_0 and eapd. these functions are mutually exclusive and the eapd function takes priority over the gpio function. by defa ult, the pin is in a high-z state. external resistors should be used to ensure the prope r circuit state when this pin is in high-z. supports s/pdif output. jack sense sense_a/src_b sense_b/src_a 13 34 i/o i/o jack sense a-d input/sense b drive. jack sense e-f input/sense a drive. analog i/o pcbeep port-e_l port-e_r port-f_l port-f_r cd_gnd (port f) port-b_l port-b_r port-c_l port-c_r mono_out port-d_l port-d_r port-a_l port-a_r 12 14 15 16 17 19 21 22 23 24 32 35 36 39 41 li li, mic, lo li, mic, lo li, lo li, lo i li, mic li, mic li, mic li, mic lo hp, lo hp, lo hp, lo hp, lo monaural input from syst em for analog pcbeep. auxiliary input/output left channel. auxiliary input/output right channel. auxiliary input/output left channel. auxiliary input/output right channel. cd audio analog ground reference. must be connected to agnd via a 0.1 f capacitor if not in use as cd_gnd. must always be ac-coupled. front panel stereo mic/line-in. front panel stereo mic/line-in. rear panel stereo mic/line-in. rear panel stereo mic/line-in. monaural output to internal speaker or telephony subsystem speakerphone. rear panel headphone/line-out. rear panel headphone/line-out. front panel headphone/line-out. front panel headphone/line-out. the symbols used in this table are defined as: i = input, o = outp ut, li = line level input, lo = line level output, hp = outpu t capable of driving headphone load, mic = input supports microph ones with mic bias and boost amplifier.
AD1984A rev. 0 | page 11 of 20 | april 2008 filter/mic_bias vref _filt mic_bias-b mic_bias-c mic_bias_in 5.0 v or 3.3 v 27 28 29 33 o o o i voltage reference filter. switchable microphone bias. for use with port b (pins 21, 22). switchable microphone bias. for use with port c (pins 23, 24). both mic bias pins are capable of high-z, 0 v, 1.65 v, 3.7 v, and 3.9 v (with 5.0 v on pin 33), high-z, 0 v, 1.65 v, 2.86 v, and 3.0 v (with 3.3 v on pin 33). source power for microphone bias boost circuitry. connect this pin to 5.0 v via a low-pass filter. when connected this way the AD1984A is capable of providing 3.9 v as a mic bias to all of the mic bias pins (except on pin 31). if 5 v is not available, connect this pin to 3.3 v (av dd ) via a low-pass filter. power and ground dv core 1.7 v to 1.9 v or filter 1 i/o caution: do not apply 3.3 v to this pin! filter connection for internal core voltage regulator. if pin 9 is connected to 3.3v dv dd , this pin must be connected to filter caps: 10 f, 1.0 f, and 0.1 f connected in parallel between pin 1 and dv ss (pin 7). direct, filtered 1.7 v to 1.9 v dv dd may be applied to pin 1 to lower the digital power requirements. pin 9 must be connected to pin 1 in this case. dv io 1.5 v or 3.3 v 3 i link digital i/o voltage reference. 3.3 v 10% or 1.5 v 5.5% dv ss 7 i digital supply return (ground). dv dd 1.7 v to 1.9 v or 3.3 v 9 i digital supply voltage 3.3 v 10%. this is regulated down to dv core on pin 1 to supply the internal digital core internal to the AD1984A. direct, filtered 1.7 v to 1.9 v dv dd may be applied to pin 1 to lower the digital power requirements. pin 9 must be connected to pin 1 in this case. av dd 3.3 v 25, 38 i caution: do not apply 5 v to these pins! analog supply voltage 3.3 v only. note: av dd supplies should be well regulated and filtered as supply noise degrades audio performance. av ss 26, 42 i analog supply return (ground). av ss should be connected to dv ss using a conductive trace under, or close to, the AD1984A. table 4. pin function descriptions (continued) mnemonic pin no. i/o description the symbols used in this table are defined as: i = input, o = outp ut, li = line level input, lo = line level output, hp = outpu t capable of driving headphone load, mic = input supports microph ones with mic bias and boost amplifier.
rev. 0 | page 12 of 20 | april 2008 AD1984A digital microphone inter face timing specifications the digital microphone interface can support one or two digital microphones using two or three codec pins. both uniplex (one microphone per data pin) and multiplex (two microphones sharing the same data pin) are supported. the timing for these configurations is shown in table 5 and figure 3 , figure 4 and figure 5 . the interface can generate a microphone clock at 1.5 mhz, 2.0 mhz, or 3.0 mhz to suit quality and power requirements. table 5. microphone timing parameters parameter description min typ max unit timing requirements t 0 dm_clk (1.5 mhz) period duty cycle 667 50/50 ns % t 0 dm_clk (2.0 mhz) period duty cycle 500 50/50 ns % t 0 dm_clk (3.0 mhz) period duty cycle 333 50/50 ns % t 1 dm_clk rise time 5 ns t 2 dm_clk fall time 5ns t 3 data setup to dm_clk edge 10 ns t 4 data hold from dm_clk edge 5 ns figure 3. uniplex microphone timing figure 4. dm_2 uniplex microphone timing dm_clk t 1 t 2 t 3 dm_1/2 t 0 data valid t 4 dm_clk t 1 t 2 t 3 dm_2 t 0 data valid t 4
AD1984A rev. 0 | page 13 of 20 | april 2008 figure 5. multiplex microphone timing dm_clk t 1 t 2 t 3 dm_1/2 t 0 left data valid right data valid left data valid t 4 t 3 t 4
rev. 0 | page 14 of 20 | april 2008 AD1984A hd audio widgets table 6. hd audio widgets 1 1 all node ids (nids) are sequential in the codec. any nids missing fo r this table are vendor defined. node id name type id type description 0x00 root x root device identification 0x01 function x function designates this device as an audio codec 0x02 s/pdif dac 0 audio output s/pdif digital stream output interface 0x03 dac_0 0 audio output stereo headphone channel digital/audio converter 0x04 dac_1 0 audio output stereo front channel digital/audio converter 0x07 port a mixer 2 audio mixer mixes the dac_(0, 1) and analog mixer output to drive port a 0x08 adc_0 1 audio input stereo record channel 0 audio/digital converters 0x09 adc_1 1 audio input stereo record channel 1 audio/digital converters 0x0a port d mixer 2 audio mixer mixes the dac_1 and analog mixer output to drive port d 0x0b port f mixer 2 audio mixer mixes the dac_(0, 1) and analog mixer output to drive port f 0x0c adc selector 0 3 audio selector selects and amplifies/attenuates the input to adc_0 0x0d adc selector 1 3 audio selector selects and amplifies/attenuates the input to adc_1 0x0e mono out selector 3 audio selector selects the mono out dac_(0, 1) 0x0f port f out selector 3 audio selector selects the port f dac_(0, 1) 0x10 digital beep 7 beep generator internal digital pcbeep signal 0x11 port a (headphone) 4 pin complex headphone jack pins 0x12 port d (line out) 4 pin complex line out jack pins 0x13 mono out 4 pin complex monaural output pin (internal speakers or telephony system) 0x14 port b (mic in) 4 pin complex microphone in jack pins 0x15 port c (line in) 4 pin complex line in jack pins 0x16 port f (aux in/out) 4 pin complex auxiliary i/o pins 0x17 dig microphone 4 pin complex digital microphone input pin 0x19 mixer power down 5 power widget powers down the analog mixer and associated amps 0x1a analog pcbeep 4 pin complex external analog pcbeep signal input 0x1b s/pdif-out 4 pin comp lex s/pdif output pin 0x1c port e (dock i/o) 4 pin complex analog dock i/o pins 0x1d v ref power down f vendor defined powers down the v ref circuitry 0x1e mono out mixer 2 audio mixer mixes the dac_(0, 1) and analog mixer output to drive mono out 0x1f stereo mix-down 2 audio mixer mixes the stereo l/r channels to drive mono output 0x20 analog mixer 2 audio mixer mixes individually gainable analog inputs 0x21 mixer output atten 3 audio selector attenuates the analog mixer output to drive the port mixers 0x22 port a out selector 3 audio selector selects the port a dac_(0, 1) 0x23 port e out selector 3 audio selector selects the port e dac_(0, 1) 0x24 port e mixer 2 audio mixer mixes the dac_(0, 1) and analog mixer output to drive port e 0x25 port e mic boost 3 audio selector 0 db, 10 db, 20 db, or 30 db gain boost for port e 0x26 bias power down f vendor defined powers down the internal mic_bias_filt and all mic_bias pins
AD1984A rev. 0 | page 15 of 20 | april 2008 hd audio parameters table 7. root and function node parameters node id name vendor id 00 revision id 02 1 1 subject to change with silicon stepping. sub node count 04 func. group type 05 audio f.g. caps 08 gpio caps 11 0x00 root 0x11d4 194a 0x0010 0400 0x0001 0001 0x01 function 0x0002 0029 0x0000 0001 0x0001 0c0c 0x4000 0003 table 8. subsystem id node id name type value 31:16 ssid 15:8 sku 7:0 asm id 0x01 function function 0xbfd4 0000 0xbfd4 0x00 0x00
rev. 0 | page 16 of 20 | april 2008 AD1984A widget parameters table 9. widget parameters node id widget capabilities 0x09 pcm size, rate 0x0a stream formats 0x0b pin capabilities 0x0c input amp capabilities 0x0d con. list length 0x0e power states 0x0f output amp capabilities 0x12 0x01 0x0000 04c0 0x000e 07ff 0x0000 0001 0x8000 0000 0x0000 0009 0x0005 2727 0x02 0x0003 0211 0x000e 07e0 0x0000 0005 0x0000 0000 0x03 0x0000 0405 0x000e 07ff 0x0000 0001 0x0000 0000 0x0000 0009 0x0005 2727 0x04 0x0000 0405 0x000e 07ff 0x0000 0001 0x0000 0000 0x0000 0009 0x0005 2727 0x07 0x0020 0103 0x8000 0000 0x0000 0002 0x08 0x0010 0501 0x000e 07ff 0x0000 0001 0x0000 0001 0x0000 0009 0x09 0x0010 0501 0x000e 07ff 0x0000 0001 0x0000 0001 0x0000 0009 0x0a 0x0020 0103 0x8000 0000 0x0000 0002 0x0b 0x0020 0103 0x8000 0000 0x0000 0002 0x0c 0x0030 010d 0x0000 0006 0x8005 3627 0x0d 0x0030 010d 0x0000 0006 0x8005 3627 0x0e 0x0030 0101 0x0000 0002 0x0f 0x0030 0101 0x0000 0002 0x10 0x0070 000c 0x0000 0000 0x800b 0f0f 0x11 0x0040 018d 0x0000 001f 0x0000 0001 0x8000 0000 0x12 0x0040 058d 0x0001 001f 0x0000 0001 0x0000 0009 0x8000 0000 0x13 0x0040 050c 0x0001 0010 0x0000 0001 0x0000 0009 0x8005 1f1f 0x14 0x0040 008b 0x0000 3727 0x0027 0300 0x0000 0000 0x15 0x0040 008b 0x0000 3727 0x0027 0300 0x0000 0000 0x16 0x0040 058d 0x0001 0037 0x0000 0001 0x0000 0009 0x8000 0000 0x17 0x0040 020b 0x0000 0020 0x0017 0300 0x0000 0000 0x19 0x0050 0500 0x0000 0002 0x0000 0009 0x1a 0x0040 0000 0x0000 0020 0x0000 0000 0x1b 0x0040 038d 0x0000 0014 0x0000 0001 0x8005 2727 0x1c 0x0040 018d 0x0000 3737 0x0000 0001 0x8000 0000 0x1d 0x00f0 0100 0x0000 000a 0x1e 0x0020 0103 0x8000 0000 0x0000 0002 0x1f 0x0020 0100 0x0000 0001 0x20 0x0020 010b 0x8005 1f17 0x0000 0007 0x21 0x0030 010d 0x0000 0001 0x8005 1f1f 0x22 0x0030 0101 0x0000 0002 0x23 0x0030 0101 0x0000 0002 0x24 0x0020 0103 0x8000 0000 0x0000 0002 0x25 0x0030 010d 0x0000 0001 0x0027 0300 0x26 0x00f0 0100 0x0000 0003
AD1984A rev. 0 | page 17 of 20 | april 2008 connection list table 10. connection list node id connections 0123456789 [0C3] [4C7] [8C11] nid r 1 1 r = the ms bit of any node id indicates a 2-tuple nid pair deline ating a continuous rang e of nodes. if the ms bit is set (=1), that list entry forms a range of entries from the previous nid to the current nid. for additional info rmation, see chapter 7.1.2, node addressing in the high definition au dio specification . nidrnidrnidrnidrnidrnidrnidrnidrnid 0x02 0x03 0x04 0x07 0x0000 2122 0x22 0x21 0x08 0x0000 000c 0x0c 0x09 0x0000 000d 0x0d 0x0a 0x0000 2104 0x04 0x21 0x0b 0x0000 210f 0x0f 0x21 0x0c 0x2016 1514 0x0000 1725 0x14 0x15 0x16 0x20 0x25 0x17 0x0d 0x2016 1514 0x0000 1725 0x14 0x15 0x16 0x20 0x25 0x17 0x0e 0x0000 0403 0x03 0x04 0x0f 0x0000 0403 0x03 0x04 0x10 0x11 0x0000 0007 0x07 0x12 0x0000 000a 0x0a 0x13 0x0000 001f 0x1f 0x14 0x15 0x16 0x0000 000b 0x0b 0x17 0x19 0x0000 2120 0x20 0x21 0x1a 0x1b 0x0000 0002 0x02 0x1c 0x0000 0024 0x24 0x1d 0x118f 0a07 0x1c1a 1996 0x0000 a61e 0x07 0x 0a 1 0x0f 0x11 1 0x16 0x19 0x1a 0x1c 0x1e 1 0x26 0x1e 0x0000 210e 0x0e 0x21 0x1f 0x0000 001e 0x1e 0x20 0x1a16 1514 0x004 0325 0x14 0x15 0x16 0x1a 0x25 0x03 0x04 0x21 0x0000 0020 0x20 0x22 0x0000 0403 0x03 0x04 0x23 0x0000 0403 0x03 0x04 0x24 0x0000 2123 0x23 0x21 0x25 0x0000 001c 0x1c 0x26 0x001c 1514 0x14 0x15 0x1c
rev. 0 | page 18 of 20 | april 2008 AD1984A default configuration bytes table 11. default configuration bytes 31:30 29:28 27:24 23:20 connectivity location def. device node id name value chassis position 0x11 port a (headphone) 0x0321 40f0 jack external left hp out 0x12 port d (line out) 0x2121 4010 jack separate rear hp out 0x13 mono out 0x9017 01f0 fixed internal n/a speaker 0x14 port b (mic in) 0x03a1 90f0 jack external left mic in 0x15 port c (line in) 0xb7a7 0121 fixed other special 1 mic in 0x16 port f (aux in/out) 0x9933 012e fixed internal special 3 cd 0x17 dig mic pin 0x97a6 01f0 none internal special 1 mic in 0x1a analog pcbeep 0x90f3 01f0 fixed internal n/a other 0x1b s/pdif out-1 0x0145 10f0 jack external rear spdif out 0x1c port e (dock i/o) 0x21a1 9020 jack separate rear mic in table 11. default configuration bytes (continued) 19:16 15:12 8 7:4 3:0 node id name value conn type color jd ovrd def assn. seq. 0x11 port a (headphone) 0x0321 40f0 1/8 jack green 0 0xf 0x0 0x12 port d (line out) 0x2121 4010 1/8 jack green 0 0x1 0x0 0x13 mono out 0x9017 01f0 other analog unknown 1 0xf 0x0 0x14 port b (mic in) 0x03a1 90f0 1/8 jack pink 0 0xf 0x0 0x15 port c (line in) 0xb7a7 0121 other analog unknown 1 0x2 0x1 0x16 port f (aux in/out) 0x9933 012e atapi unknown 1 0x2 0xe 0x17 dig mic pin 0x97a6 01f0 other digital unknown 1 0xf 0x0 0x1a analog pcbeep 0x90f3 01f0 atapi unknown 1 0xf 0x0 0x1b s/pdif out-1 0x0145 10f0 optical black 0 0xf 0x0 0x1c port e (dock i/o) 0x21a1 9020 1/8 jack pink 0 0x2 0x0
AD1984A rev. 0 | page 19 of 20 | april 2008 outline dimensions ordering guide figure 6. 48-lead lead frame chip scale package [lfcsp_vq] 7 mm x 7 mm body, very thin quad (cp-48-1) dimensions shown in millimeters model temperature range packag e description package option AD1984Ajcpz 1 1 z = rohs compliant part. 0c to 70c 48-lead lfcsp_vq cp-48-1 AD1984Ajcpz-rl 1 0c to 70c 48-lead lfcsp_vq, 13 tape and reel cp-48-1 pin 1 indicator top view 6.75 bsc sq 7.00 bsc sq 1 48 12 13 37 36 24 25 5.25 5.10 sq 4.95 0.50 0.40 0.30 0.30 0.23 0.18 0.50 bsc 12 max 0.20 ref 0.80 max 0.65 typ 1.00 0.85 0.80 5.50 ref 0.05 max 0.02 nom 0.60 max 0.60 max pin 1 indicator coplanarity 0.08 seating plane 0.25 min exposed pad (bottom view) compliant to jedec standards mo-220-vkkd-2
rev. 0 | page 20 of 20 | april 2008 AD1984A ? 2008 analog devices, inc. all rights reserved. trademarks and registered trademarks are the property of their respective owners. d07399-0-4/08(0)

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