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asahi kasei [AK5434D] ms1515-e-00 -1- 2013/02 AK5434D dual channel 14bit 30mhz a/d converter with differential input features power supply 3.0v~3.45v single-supply operation temperature ? 40 c~+105 c package 30pinvsop (pin pitch 0.65mm) input range 4v (differential input @ gain 0db) input signal bandwidth dc ~ 400mhz (typ.) s/h gain 0db/6db/12db adc 14bit, 30mhz s/(n+d) 69db (typ.) (30mhz operation, input signal frequency 14.9mhz@1ch) outputs 14bit parallel data with straight binary power consumption 172mw @typ. ( power consumption @power down mode : under 1mw) circuit block diagram ai1p ai1n ai2p ai2n mux a/d control ref 14 s/h1 s/h2 ch1 ch2 ss pdn gain chsel clki d13~d0 avdd avss dvdd dvss iref vcm vrp
asahi kasei [AK5434D] ms1515-e-00 -2- 2013/02 clock function s/h1, s/h2 sample/hold amp mux switch that selects input signal to a/d from s/h1 and s/h2 a/d 14bit 30msps a/d converter ref reference voltage generator control operation control circuit pin allocation ?34d 30 vsop top view ai1n 16 17 18 19 20 21 22 23 24 25 26 27 28 vcm ai2p ai2n clki dvss avss vrp gain iref d2 d3 d4 d5 d6 d7 d9 d10 d13 d11 d12 ai1p d0 d8 29 14 13 7 6 5 3 2 4 8 9 10 11 12 15 chsel ss d1 avdd d v dd pdn 30 1
asahi kasei [AK5434D] ms1515-e-00 -3- 2013/02 pin description no. name i/o @ power down description 1 pdn i ? power down h: normal operation , l: power down 2 d13 o high-z adc output data msb straight binary code 3 d12 o high-z adc output data 4 d11 o high-z adc output data 5 d10 o high-z adc output data 6 d9 o high-z adc output data 7 d8 o high-z adc output data 8 d7 o high-z adc output data 9 d6 o high-z adc output data 10 d5 o high-z adc output data 11 d4 o high-z adc output data 12 d3 o high-z adc output data 13 d2 o high-z adc output data 14 d1 o high-z adc output data 15 d0 o high-z adc output data lsb 16 ss i ? sampling timing setting l: sampling timing is determined by applying logic to chsel-pin. h: the sampling timing is the timing of chsel=l. ch1 and ch2 are sampled simultaneously. 17 chsel i ? ch1/ch2 select l:ch1, h:ch2 18 avss pwr ? analog ground 19 avdd pwr ? analog supply 3.0v 3.45v 20 ai1p i ? ch1 differential input p side 21 ai1n i ? ch1 differential input n side 22 vcm o high-z common-mode voltage output connect 1 f between avss and this pin. 23 ai2n i ? ch2 differential input n side 24 ai2p i ? ch2 differential input p side 25 vrp o l adc reference-voltage output. connect 1 f between avss and this pin. 26 clki i ? adc clock input 27 gain i ? s/h gain setting (l:0db, m:12db, h:6db) 28 iref o high-z bias current output connect 8.2k between avss and this pin. 29 dvss pwr ? digital ground 30 dvdd pwr ? digital power supply 3.0v~3.45v (note)io i: input, o: output, pwr: power/ground
asahi kasei [AK5434D] ms1515-e-00 -4- 2013/02 absolute maximum ratings avss, dvss=0v,all voltages are with respect to ground parameter symbol min. max. unit note power supplies analog digial avdd dvdd ? 0.3 ? 0.3 4.0 4.0 v v input current iin ? 10 10 ma except avdd, avss, dvdd, dvss pins analog input voltage range (note 1) vina ? 0.3 avdd+0.3 v digital input voltage range (note 2) vind ? 0.3 dvdd+0.3 v operating temperature ta ? 40 105 c storage temperature tstg ? 65 150 c (note 1) ai1p, ai1n, ai2p, ai2n, gain, clki (note 2) chsel, ss, pdn all power supply ground pins (avss, dvss) should be at the same potential. warning: operation at or beyond these limits may result in permanent damage to the device. normal operating specifications ar e not guaranteed at these extremes. operating condition parameter symbol min. typ. max. unit note supply voltage analog (core) digital (core, io) avdd dvdd 3.0 3.0 3.3 3.3 3.45 3.45 v v power supply voltages are values where each ground pin (avss=dvss) is at 0v (voltage reference) all power supply ground pins (avss, dvss) should be at the same potential.
asahi kasei [AK5434D] ms1515-e-00 -5- 2013/02 electrical characteristics ? analog specifications (avdd=dvdd=3.3v, s/h gain=0db, ta=25 c, clki=30mhz, fin=14.9mhz, signal level=3.4vpp-diff) parameter symbol condition min typ max units dc characteristics resolution res 14 bits integral non-linearity inl 2.8 10.5 lsb differential non-linearity dnl 0.8 4.0 lsb offset eoc aixp=aixn=vcm (x=1,2) 100 lsb gain error gerr gain setting 0db -10 0 +10 %fs gain gain setting 6db 5.5 6 6.5 db gain setting 12db 11.5 12 12.5 db input range ainfs gain setting 0db 3.6 4.0 4.4 vpp-diff common voltage vcm 1.26 1.4 1.54 v adc reference voltage vrp 1.8 2.0 2.2 v ac characteristics s/n snr 68 73 db s/(n+d) snd 64 69 db s/(n+d) (note 1) snd2 fin=1mhz 66 71 db sfdr sfdr 70 db total harmonic distortion thd 64 70 dbc input resistance (note 1) rin (note 4) 60 k input capacitance (note 1) cin 5 8 pf input signal bandwidth (note 1) bw -3db level 400 mhz cmrr cmr fin=1mhz, common swing -26db 50 56 db crosstalk ctk fin=7.45mhz ? 80 ? 70 db current consumption ia id ipd analog fin=1mhz digital(note 2) fin=1mhz 46 6 68 9 0.3 ma ma ma current consumption in power down ias ids analog digital (note 3) 0.1 0.1 ma ma (note 1) design value (note 2) cl=10pf are connected to d0~d13 pins. (note 3) power down pdn=low, clki=low fix, current consumption without no input signal. (note 4) equivalent resistance that from vcm operation middle point to differential input pins ai1p/n, ai2p/n. it is in inverse proportion to sampling frequency.
asahi kasei [AK5434D] ms1515-e-00 -6- 2013/02 ? switching characteristics (avdd=dvdd=3.0~3.45v, ta= ? 40~105 c, cl=10pf) parameter symbol conditions min. typ. max. unit conversion rate fs 15 30 mhz clock cycle tcy 33.3 66.7 ns clock rise time note 1 tr 0.3avdd to 0.7avdd 2 15 ns clock fall time note 1 tf 0.7avdd to 0.3avdd 2 15 ns clock high width th 15 ns clock low width tl 15 ns clock duty tduty 40 50 60 % pipeline delay note 2 tpd 8 clki aperture delay note 2 tap 2 4 ns ad output delay tdl 0 6 20 ns chsel setup tset 10 ns chsel hold thold 10 ns start up time 1 tst1 2 5 ms start up time 2 tst2 2 5 ms note 1) clock high width and low width must be fulfilled. note 2) design value clki d13~d0 n tap n+1 th tl tf tr tcy 0.7avdd 0.3avdd 0.8dvdd 0.2dvdd tdl n-8 ai1p/n ai2p/n 0.7dvdd 0.3dvdd tset thold chsel n n+8
asahi kasei [AK5434D] ms1515-e-00 -7- 2013/02 ? digital dc characteristics (avdd=dvdd=3.0~3.6v, ta= 40~105 c) parameter symbol pin min. max. unit remark high level input threshold 1 vih1 note 1 0.7 dvdd v low level input threshold 1 vil1 note 1 0.3 dvdd v high level input threshold 2 vih2 note 2 0.7 avdd v low level input threshold 2 vil2 note 2 0.3 avdd v high level input threshold 3 vih3 gain 0.8 avdd v middle level input threshold 3 vim3 gain 0.3 avdd 0.7 avdd v low level input threshold 3 vil3 gain 0.2 avdd v high level output voltage voh note 3, note 4 0.8 dvdd v low level output voltage vol note 3, note 5 0.2 dvdd v input leakage current ilkg note 1, note2, gain 10 a high-z leakage current ioz note 3 10 a note 1) chsel, ss, pdn, note 2) clki note 3) d13~d0 note 4) ioh = ? 1ma note 5) iol = 1ma clki d13~d0 tst1 0.7avdd pdn tst2 0.7avdd
asahi kasei [AK5434D] ms1515-e-00 -8- 2013/02 functional description power down function power down mode can be activated by applying a logic level ?0? to the pdn-pin. all the data output pins [d13: d0] become low state.at power down mode. pdn condition l power down h normal opration s/h amp gain select the gain of the s/h amplifier can be selected by the input level of gain-pin. gain gain input full scale avss 0db 4vpp-diff avdd 6db 2vpp-diff vcm 12db 1vpp-diff sampling timing setting the sampling timing of two channels can be set with ss-pin. ss sampling timing l s/h1 or s/h2 samples the signal according to chsel. h at chsel=l, s/h1 and s/h2 sample the signal at the same time. sampling channel select the samples timing can be selected with chsel-pin. separate sampling (@ss=low) chsel sampling channel l s/h1 h s/h2 simultaneous sampling (@ss=high) chsel sampling channel l s/h1 & s/h2 h not sampled only at chsel=low, sampling is done at the same timing (ss=high).
asahi kasei [AK5434D] ms1515-e-00 -9- 2013/02 ? operation timing at ss=?l? clki d13~d0 ch1 ch2 ch1 ch2 pipeline delay 8clki s/h1 s hold s/h2 s hold a/d sampl ing 1 channel 2 1 chsel 1 2 1 2 2 1 2 s s hold s hol d s 1 s hold ch1 ch2 2 s ho l d at ss=?h? clki sampl ing timing d13~d0 ch1 ch2 ch1 ch2 pi pel ine del ay 8clki s/h1 s hold s/h2 s hold a/d sampl ing 1 channel 2 1 chsel 1 2 1 2 2 1 2 s s s hol d s hol d s s 1 2 hold hold 1 s s hold hold ch1 ch2 ch1 pi pel ine del ay 9clki
asahi kasei [AK5434D] ms1515-e-00 -10- 2013/02 external circuit examples avdd avss 0.1 f, 1 0 f dvdd dvss avs s 8.2k ? 1% iref 1 f 10% avs s vcm 0.1 f, 1 0 f 1 f 10% avs s vrp avss dvss note) resisters must be metal-film type. ain1p ain2p ain1n ain2n vcm 1k ? 5 % 1k ? 5 % 0.1 f 0.1 f
asahi kasei [AK5434D] ms1515-e-00 -11- 2013/02 packages 30-vsop-0.65
asahi kasei [AK5434D] ms1515-e-00 -12- 2013/02 marking AK5434D xxxxxxx marketing code: AK5434D date code: xxxxxxx
asahi kasei [AK5434D] ms1515-e-00 -13- 2013/02 z these products and their specifications are subject to change without notice. when you consider any use or application of th ese products, please make inquiries the sales office of asahi kasei microdevices corporatio n (akm) or authorized distributors as to current status of the products. z descriptions of external circuits, applic ation circuits, software and other related information contained in this document are pr ovided only to illustrate the operation and application examples of the semiconductor products. you are fully responsible for the incorporation of these external circuits, app lication circuits, software and other related information in the design of your equipments . akm assumes no responsibility for any losses incurred by you or third parties arising from the use of these information herein. akm assumes no liability for infringement of any pate nt, intellectual property, or other rights in the application or use of such information contained herein. z any export of these products, or devices or systems containing them, may require an export license or other official approval under the law and regulations of the country of export pertaining to customs and tariffs, curre ncy exchange, or strategic materials. z akm products are neither intended nor authorized for use as critical components note1) in any safety, life support, or other hazard related device or system note2) , and akm assumes no responsibility for such use, except for the use approved with the express written consent by representative director of akm. as used here: note1) a critical component is one whose failure to functi on or perform may reason ably be expected to result, whether directly or indirectly, in the loss of the safety or effectiveness of the device or system containing it, and which must th erefore meet very high standard s of performance and reliability. note2) a hazard related device or system is one design ed or intended for life support or maintenance of safety or for applications in medicine, aerospace, nuclear energy, or other fi elds, in which its failure to function or perform may reasonably be expected to result in loss of life or in significant injury or damage to person or property. z it is the responsibility of the buyer or dist ributor of akm products, who distributes, disposes of, or otherwise places the product with a third party, to notify such third party in advance of the above content and conditions, and the buyer or distributor agrees to assume any and all responsibility and liability for and hold akm harmless from any and all claims arising from the use of said product in the absence of such notification. important notice

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