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  the information in this document is subject to cha nge without notice. samhop microelectroni cs corp. all rights reserved. ?h? 100 ? 7 7f,no.100,min-chyuan road, hsintien, taipei hsien, taiwan, r.o.c. tel: 886-2-2218-3978/2820 fax: 886-2-2218-3320 email : info@samhop.com.tw c samhop microele ctronics corp. ????? 3w stereo audio power amplifier with up / down gain control www.datasheet.in
general description features applications * mini speaker * wireless headphone * car multimedia system pin assignments (top view) rpgnd routp se/btl up down bypass shutdown loutp routn rpvdd rlinein vdd llinein lpvdd loutn lpgnd SM7513 16pin 1 16 2 15 3 14 4 13 5 12 6 11 7 10 8 9 thermal pad samhop microelectronics corp. the SM7513 is a stereo audio power amplifier that drives 3 w/channel of continuous rms power into a 3- ? load. advanced up/down volume control minimizes external components and allows btl (speaker) volume cont rol and se (earphone) volume control. wireless headphone benefit from the integrated feature set that minimizes external components without sacr ificing functionality. to simplify design, the speaker volume level is adjusted by applying a up/down gain control to the up/down terminals. * advanced dc volume control with 2-db steps from -40 db to 20 db * depop circuitry * low quiescent current * 1ua shutdown current * 3w into 3 ? from 5.5v supply * thermal protection * compact configuration and minimum external components 3w stereo audio power amplifier with up / down gain control page 1 v.1.0 apr 30,2007 www.datasheet.in
pin assignments pin descriptions pin name routn rpv dd rlinein v dd llinein lpv dd loutn lpgnd loutp shutdown bypass down i / o o - i - i - o - o i i i function up se/btl routp rpgnd i i o - no. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 right channel negative audio output supply voltage termi nal for power stage right channel line input supply voltage terminal left channel line input supply voltage terminal for power stage left channel negative audio output power ground power ground left chanel positive audio output places the amplifier in shutdown mode if a ttl logic low is placed on this terminal tap to voltage divider for internal midsupply bias generator used for analog reference terminal for volume down control, high active terminal for volume up control, high active right channel positive audio output output mux control. when this termi nal is high,se out puts are selected. when this terminal is low, btl outputs are selected rpgnd routp se/btl up down bypass shutdown loutp routn rpvdd rlinein vdd llinein lpvdd loutn lpgnd SM7513 16pin 1 16 2 15 3 14 4 13 5 12 6 11 7 10 8 9 thermal pad samhop microelectronics corp. 3w stereo audio power amplifier with up / down gain control page 2 v.1.0 apr 30,2007 www.datasheet.in
samhop microele ctronics corp. maximum ratings (ta = 40~85 o c) v ss v i - supply voltage, v dd , pv dd input voltage continous total power dissipation -0.3 ~ 6 - 0.3 ~ v dd +0.3 see dissipation rating table v v - symbol characteristic rating unit recommended operating condition high-level input voltage supply voltage, v dd , pv dd characteristic unit min. typ. max. condition symbol v 0.8 v dd se/btl, up, down v ih 2.0 shutdown v ih v low-level input voltage 0.4 v dd se/btl, up, down v il 0.6 shutdown v il o c -40 85 operating free-air temperature -- t a v 4.0 5.5 -- v ss package t a 25c power rating derating factor above t a =25c t a =70c power rating t a =85c power rating sop /ssop 2.7mw 21.8 mw/ c 1.7w 1.4w dissipation rating table 3w stereo audio power amplifier with up / down gain control page 3 v.1.0 apr 30,2007 - tstg t j operaing junction temperature range storage temperatuer range lead temperature 1,6 mm (1/16 inch) from case for 10 seconds -65 ~ 150 -40 ~ 150 260 o c o c o c www.datasheet.in
samhop microele ctronics corp. electrical characteristics (v dd =pv dd = 5.5v, ta = 25 o c unless otherwise noted) characteristic condition min. typ. max. unit output offset voltage (measured differentially) power supply rejection ratio symbol v oo psrr l lh v dd =5.5v,gain=20db, se/btl=0v v dd =pv dd =4.0v to 5.5v 60 mv -42 -70 db v dd =pv dd =5.5v, v l =v dd =pv dd 1ua high-level input current (se/btl,shutdown) 3w stereo audio power amplifier with up / down gain control supply current, no load l ll l dd v dd =pv dd =5.5v , v l =0v 1 ua v dd =pv dd =5.5v,se/btl=0v, shutdown=2v supply current,max power into a 3 ? load supply current,shutdown mode l dd l dd(sd) v dd =pv dd =5.5v,se/bt l=5.5v, shutdown=2v 5.5 8.0 10 3.0 5.0 6.0 ma v dd =5v=pv dd ,se/btl=0v, shutdown=2v,r l =3 ? , p o =2w,stereo 1.5 a rms shutdown=0.0v 1 20 ua low-level input current(se/btl,shutdown,volume) page 4 v.1.0 apr 30,2007 operating characteristics (v dd =pv dd = 5v, r l = 3 ? , gain = 6db, ta = 25 o c unless otherwise noted) symbol characteristic output power (1) condition w min. typ. max. unit p o thd=1%, f=1 khz, r l =4 ? 1.9 thd+n total harmonic distortion+noise p o =1w, r l =8 ? , f=20hz to 20khz < 0.6 % supply ripple rejection ratio db btl -63 -57 se v oh high-level output voltage r l =8 ? , measured between output and v dd 600 mv v ol low-level output voltage r l =8 ? , measured between output and gnd 400 mv v (bypass) bypass voltage(nominally v dd /2) (2) measured at pin 11, no load, v dd =5.5v 2.65 2.75 2.85 v b om maximum output power bandwidth thd = 5% > 20 khz f=1 khz, gain = 0 db, c (byp) = 0.47uf initial gain f= 1khz , r l =8 ? db -4 -6 -2 thd=10%, f=1 khz, r l =4 ? 2.4 thd=1%, f=1 khz, r l =8 ? 1.3 thd=10%, f=1 khz, r l =8 ? 1.6 thd=10%, f= 1 khz, r l =3 ? ,v dd =5.5v 3 (1) output power is measured at the output terminals of the ic. (2) at 4v < v dd < 5.5v the dc bypass voltage is approximately v dd /2 www.datasheet.in
functional block diagram power management pv dd v dd pgnd bypass agnd shutdown mux control se/btl 32-step volume control up/down rlinein + _ + _ rout+ byp + _ rout- byp en se/btl llinein + _ + _ lout+ byp + _ lout- byp en se/btl byp byp samhop microele ctronics corp. 3w stereo audio power amplifier with up / down gain control page 5 v.1.0 apr 30,2007 www.datasheet.in
application information the figure is schematic diagram of typical fo r car multimedia system application circuit. rout- pvdd rlinein vdd llinein lpvdd lout- lpgnd rpgnd rout+ se/btl up down bypass shutdown lout+ right speaker cc v dd 100k ? 1k ? headphones 1k ? cc c (byp) system control left speaker power supply ci cs ci cs v dd right audio input power supply 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 100k ? figure 1. SM7513 using stereo li ne inputs application circuit samhop microele ctronics corp. v dd v dd 3w stereo audio power amplifier with up / down gain control page 6 v.1.0 apr 30,2007 left audio input www.datasheet.in
samhop microelectronics corp. 3w stereo audio power amplifier with up / down gain control volume control the output volume of SM7513 is respectively controll ed by two input pins, up and down pin. the up pin controls the volume increment, and the down pin cont rols the volume decrement. it increases/decreases 2db each step. both are all active high. the SM7513 built-in a rc oscillator and generates a based frequency for volume output register to count increasingly or decre asingly. it starts to count when the up/down pin is pressed. if the voltage on up/down pin is disappeared in specific unit period, the volume increment or decrement is not accepted, which means no action, keeps the original voltage and clears the value in count register. therefore, there is no increment or decrement to make the volume uncertainly. after power on or shutdown, SM7513 will has -4db 2db initial gain. the mapping between output volume increment / decrement and active unit period is shown in figure 2. when the up key keeps high for one active unit period, the output gain increases 2db after the key is released. when the up key keeps low and the down key become high level for one active unit period, the output gain decreases 2db. the action of pressed the up/down key continually is shown in figure 3. the gain is increased/ decreased after one unit periods. if the key is continually be pressed more than two unit periods, the gain is increased/ decreased until to maximum 20db or -65db. page 7 t t up v in t v dd /2 vout down t t figure 2 . how the volume change wi th respect to up/d own timing cotrol up t 2t 2t v dd /2 vout figure 3. up key be pressed continually * t 300ms 20% = ~ t t v in v in v.1.0 apr 30,2007 www.datasheet.in
samhop microele ctronics corp. thd+n vs. frequency thd+n-total harmonic distortion+ noise-% thd+n vs. frequency thd+n-total harmonic distortion+ noise-% f-frequency-hz f-frequency-hz thd+n vs. frequency f-frequency-hz thd+n-total harmonic distortion+ noise-% thd+n vs. pout thd+n-total harmonic distortion+ noise-% po-output power-w 3w stereo audio power amplifier with up / down gain control page 8 v.1.0 apr 30,2007 www.datasheet.in
samhop microele ctronics corp. thd+n vs. pout closed loop gain-db po-output power-w thd+n vs. pout thd+n-total harmonic distortion+ noise-% po-output power-w closed loop response f-frequency-hz f-frequency-hz output noise voltage vs. frequency vn-output noise voltage-uvrms 3w stereo audio power amplifier with up / down gain control page 9 v.1.0 apr 30,2007 www.datasheet.in
samhop microele ctronics corp. package outline SM7513s 16pin sop unit : mm d e h 16 9 8 1 1.271 typ. 0.406 typ. 0.10max a a2 a1 l 0.203typ. 0.381x45 symbols min. nom. a a1 d e h l pad dice 95 x 18e 1.35 1.75 0.05 0.15 3.81 4.0 5.80 6.20 0.41 0 8 e1 2.19 ref 4.12 ref notes: 1. jedec outline n/a 2. dimensions d does not include mold flash, protrusions or gate burrs.mold flash protrusions and gate burrs shall not exceed 0.15mm per side. 3. dimension e does not include inter-lead flash, or protrusions. inte r-lead flash an d protrusions shall not exceed 0.25mm per side. 9.81 10.02 1.27 d1 thermally enhanced dimensions 3w stereo audio power amplifier with up / down gain control page 10 d1 8 1 9 16 e1 v.1.0 apr 30,2007 www.datasheet.in
package outline SM7513f 16pin ssop unit : mm d thermal pad 1 16 9 8 e b e1 e 16 9 8 1 d1 thermal pad e2 0.127 typ a2 a a 0.05 l = 0~8 l1 s 0.25 gauge plane seating plane symbols min. nom. max. a a1 a2 b d e1 e e l s DD 1.20 0.00 D 0.15 1.00 0.19 0.30 4.90 5.00 5.10 4.30 4.50 6.40 bsc 0.65 bsc 1.00 ref 0.45 0.75 0.20 D 0 D 8 0.80 1.05 D 4.40 l1 0.60 D pad dice 118 x 11e e1 d1 thermally enhanced dimensions min. max. min. max. 1.98 3.00 1.98 3.00 notes: 1. jedec outline: mo-153 ab/mo-153 abt(thermally variations only) 2. dimensions d does not include mold flash, protrusions or gate burrs.mold flash protrusions and gate burrs shall not exceed 0.15mm per side. 3. dimension e does not include inter-lead flash, or protrusion s. inter-lead flash and protrusions shall not exceed 0.25mm per side. page 11 samhop microele ctronics corp. 3w stereo audio power amplifier with up / down gain control v.1.0 apr 30,2007 www.datasheet.in
ordering information package marking part number ( tape and reel ) sop-16 SM7513s SM7513s lead free information package marking lead free part number sop-16 SM7513sl SM7513sl green information package marking green part number sop-16 SM7513sg SM7513sg ssop-16 SM7513fl SM7513fl ssop-16 SM7513fg SM7513fg ssop-16 SM7513f SM7513f samhop microele ctronics corp. 3w stereo audio power amplifier with up / down gain control page 12 v.1.0 apr 30,2007 www.datasheet.in


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