AB/D, 5.2W FM ABD 5.5W AERC( Adaptive Edge Rate Control), EMI,,FCC Part5 Class B2dB. PWM PCB, 9%,,, ESOP8,-4 85 ESOP8 IN.39uF 4 IN 6 PO at % THD+ N, VDD = 5V RL = 4 Ω 3.45W() RL = 2 Ω 5.2W() PO at % THD+ N, VDD = 3. 7V RL = 4 Ω.7W() RL = 2Ω 3.42W() AB/ D AERC, EMI "-"( pop-noise) 3K : 2.5V 5.5V Class-D 9% ( PSRR) :27Hz72dB (2ms) ( 5mA) ( <. A), Rohs USB/ 47uF CHIPSTAR MICROELECTRONICS 8 MODE: ----AB ----D 3 MODE 2 7 5 CS857 Copyright@Chipstar Microelectronics page
SD VO- 8 2 3 BYP MODE GND VDD 7 6 4 IN VO+ 5 ESOP_8L ( Top View) 2 3 4 5 6 7 8 SD BYP MODE IN VO+ VDD GND VO-,, AB/ D,AB,D Copyright@Chipstar Microelectronics page2
V DD 6 V I -.3 to VDD+.3 T J -4 to 5 T () 26 T SDR STG -65 to 5 V V ESD ESD VDD TA Tj JA(ESOP8) 2 HBM( ) 2.5~5.5-4~85-4~25 --- 4 ESOP-8L. XXXX units ----------------------------------------------------------- V ±4kV ESD MM( ) -----------------------------------------------------------±4V CHIPSTA TAR MICROEL ELECTRONICS EC CS /W.,,, 2. PCB,.PCB, Copyright@Chipstar Microelectronics page3
( D) T A =25 C ( ) V OO V IN=V, Av=2 V/ V to 6.5V PSRR to 5.5V,27Hz CMRR, V DD =2.5Vto5.5V I DD VDD= 3.6V,, I SD. μa VDD=6.5V 2 ( ) mω VDD= 3.6V 28 r DS ON f ( SW) T A =25 C, RL = 4 Ω ( ) PO VDD= 5.5V,, V ( SHUTDOWN ) =.35V VDD= 2.7V to 5.5V VDD=5. V, THD =%, f = KHz, RL=2Ω( D) VDD=5. V, THD=% =%, f= KHz, RL=2Ω( AB) 5 5 5.2 4.9 VDD=5. V, THD= =%, f= KHz, RL=4Ω( D) 3.4 VDD= 5.V, THD =%, f= KHz, RL=4Ω( AB) 25 mv -7 db -72 db 4 ma 2 kω 5 KHz THD+N + VDD = 5.V, Po=3.W, f= KHz, RL= 2Ω.7 VDD = 5.V, Po=.W, f= KHz, RL=4Ω.4 % η VDD = 5.V, Po=.6W, f= KHz, RL= 4Ω( D) 9 % SNR VDD= 5.V, Po=.5W, f= KHz, RL= 2Ω 85 db 3.5 CHIPSTA PSTA TARAR MICROELECTRONICS CT ON CS W Copyright@Chipstar Microelectronics page4
TA=25 C, RL = 4 Ω ( ) EFFICIENCY vs OUTPUT POWER EFFICIENCY vs OUTPUT POWER 9 Efficiency (%) THD + N (%) 9 8 7 6 5 4 3 2. Class AB RL=8Ω+33μH.6.2.8 2.4 3 3.6 2.2 4.8 f=khz THD+ N vs OUTPUT POWER....5 2.5 Output Power ( W ) THD + N vs FREQUENCY f=khz 2 AR 5.6 Efficiency (%) THD + N (%) 8 7 6 5 4 3 2 Class AB.4.8.2.6 2. 2.4 2.8 Output Power ( W ). THD + N vs OUTPUT POWER 4 f =khz.....5 CHIPSTAR STAR MICROELECTRONICS LECT ECT CS THD+ N vs FREQUENCY f=khz 3.2 THD + N (%).2..5 P O=25mW P O =25mW THD + N (%).2..5 P O =5mW P O =25mW.2 P O =5mW.2 P O =W. 2 K K 2K FREQUENCY ( Hz ). 2 K K 2K FREQUENCY ( Hz ) Copyright@Chipstar Microelectronics page5
TA=25 C, RL = 4 Ω ( ) 6. 5.4 4.8 OUTPUT POWER vs SUPPLY VOLTAGE f=khz 3.5 3. OUTPUT POWER vs SUPPLY VOLTAGE f=khz 4.2 3.6 3. 2.4.8.2.6 3. 3.5 4. 4.5 5. Supply Voltage ( V ) 6. 5.4 4.8 4.2 3.6 3. 2.4.8.2.6-3 % THD OUTPUT POWER vs SUPPLY VOLTAGE f=khz THD+ N=% % THD 3. 3.5 4. 4.5 5. 5.5 Supply Voltage VSTAR ( V ) PSRR vs FREQUENCY AR RCHIPSTS TA 5.5 Output Power ( W ) 2.5 2..5..5 3.5 2.5-5 % THD % THD 2.5 3. 3.5 4. 4.5 Supply Voltage ( V ) 3. 2..5..5 OUTPUT POWER vs SUPPLY VOLTAGE L f =khz THD+ N=% MICROELECTRONICS ECT CS 2.5 3. 3.5 4. 4.5 Supply Voltage ( V ) CMRR vs FREQUENCY 5.5 5. -4-55 V IC=V PP PSRR ( db ) -5-6 -7-8 CMRR ( db ) -6-65 -7-9 2 K K 2K FREQUENCY ( Hz ) -75 2 K K 2K FREQUENCY ( Hz ) Copyright@Chipstar Microelectronics page6
TA=25 C,Gain = 2 V/V, RL = 4 Ω ().6 POWER DISSIPATION vs OUTPUT POWER.7 POWER DISSIPATION vs OUTPUT POWER Power Dissipation ( W ) Supply Current ( ma ).4.2..8.6.4.2 8 6 4 2 6 2 2 4 3.8.2.4.6.8..2.4.6.8 SUPPLY CURRENT vs OUTPUT POWER L.6.2.8 2.4 3. 3.6 4.2 4.8 5.4 Output t Power ( W ) SUPPLY CURRENT vs SUPPLY VOLTAGE CHIPSTA STAR TAR Power Dissipation ( W ) Supply Current ( ma) ).6.5.4.3.2. 7 6 5 4 3 2.4.8.2.6 2. 2.4 2.8 Output Power ( W ) SUPPLY CURRENT vs OUTPUT POWER CSR MICROELEC ECTRONICS CS.5..5 2. 2.5 3.2 3. Supply Current ( ma ) 3.6 3.4 3.2 3 2.8 2.6 3 3.5 4 4.5 5 5.5 Supply Voltage ( V ) Copyright@Chipstar Microelectronics page7
FM ABD 5.2W 5V, 2Ω5.5W,9% AERC(( Adaptive Edge Rate Control), EMI,6cm,FCC2dB DPWM, PCB,,,,,, D D,, MOSFET 2 I R 9% DPWM, DLC,,, Pop & Click,Pop Pop & Click,,,, Wake up Shutdown,,,, CS857,,,,,,, MODE CHIPSTAR AB, DMODE MODE, D ; MODE, AB. (Cs ) AB/ D,,ESR, uf VDD, uf,6cm,fcc EMI,,, OUT+ OUT- nf nf ( ( C in ), : : fc = (2πR in C ),,fc 27HZ Pop & Click, %. MICROELECTRONIC NICS in Copyright@Chipstar Microelectronics page8
ESOP_8L Dimensions In Millimeters Dimensions In Inches Min Max Min Max A.35.75.53.69 A.5.5.4. A2.35.55.53.6 b.33.5.3.2 c.7.25.6. D 4.7 5..85.2 D 3.22 3.42.26.34 E 3.8 4..5.57 E 5.8 6.2.228.244 E2 2.33 2.53.9.99 e.27(bsc).5(bsc) L.4.27.6.5 θ 8 8 TAs CHIPSTAR TAiAR ita MICROELECTRONICS ICS Notes: () (2) JEDEC MO-87 Copyright@Chipstar Microelectronics page
! ESD MOS:,, MOS: CHIPSTAR MICROELECTRONICS :,!,,,!,! Copyright@Chipstar Microelectronics page2