PDF SM7512 Data sheet ( Hoja de datos )

Número de pieza	SM7512
Descripción	3W STEREO AUDIO POWER AMPLIFIER
Fabricantes	SamHop Microelectronics
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No Preview Available ! 三合微科股份有限公司 SAMHOP Microelectronics Corp. 3W STEREO AUDIO POWER AMPLIFIER WITH ADVANCED DC VOLUME CONTROL The information in this document is subject to change without notice. c SAMHOP Microelectronics Corp. All Rights Reserved. 台北縣新店市民權路100號7樓 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 : [email protected] www.DataSheet.in 1 page SAMHOP Microelectronics Corp. 3W STEREO AUDIO POWER AMPLIFIER WITH ADVANCED DC VOLUME CONTROL ELECTRICAL CHARACTERISTICS (VDD =PVDD = 5.5V, Ta = 25oC unless otherwise noted) Characteristic Symbol Condition Output offset voltage (measured differentially) VOO VDD=5.5V,Gain=20dB, SE/BTL=0V Power supply rejection ratio PSRR VDD=PVDD=4.0V to 5.5V High-level input current (SE/BTL,SHUTDOWN,VOLUME) Low-level input current(SE/BTL,SHUTDOWN,VOLUME) llH llL Supply current, no load lDD Supply current,max power into a 3Ω load lDD Supply current,shutdown mode lDD(SD) VDD=PVDD=5.5V, Vl=VDD=PVDD VDD=PVDD=5.5V , Vl=0V VDD=PVDD=5.5V,SE/BTL=0V, SHUTDOWN=2V VDD=PVDD=5.5V,SE/BTL=5.5V, SHUTDOWN=2V VDD=5V=PVDD,SE/BTL=0V, SHUTDOWN=2V,RL=3Ω, PO=2W,Stereo SHUTDOWN=0.0V Min. - -42 - - 5.5 3.0 - - Typ. - -70 - - 8.0 5.0 1.5 1 Max. Unit 60 mV - dB 1 uA 1 uA 10 mA 6.0 - ARMS 20 uA OPERATING CHARACTERISTICS (VDD =PVDD = 5V, RL = 3Ω, Gain = 6dB, Ta = 25oC unless otherwise noted) Characteristic Symbol Condition Min. Output Power (1) f = 1KHz, RL =4Ω, BTL Mode , Gain =20 dB PO f = 1KHz, RL =8Ω, BTL Mode , Gain =20 dB THD+N=1% THD+N=10% THD+N=1% THD+N=10% - - - - VDD=5.5V, f = 1KHz, THD+N =10% - Total harmonic distortion+noise High-level output voltage Low-level output voltage Bypass voltage(Nominally VDD/2)(2) Noise output voltage THD+N VOH VOL V(BYPASS) PO =1W, RL=8Ω, f=20Hz to 20kHz RL=8Ω, Measured between output and VDD RL=8Ω, Measured between output and GND Measured at pin 11, No load, VDD=5.5V f= 20 Hz to 20 kHz, Gain=0 dB, C(BYP)= 1.0 uF BTL - - - 2.65 - (1) Output power is measured at the output terminals of the IC. (2) At 4V < VDD < 5.5V the DC bypass voltage is approximately VDD/2 Typ. 1.9 2.3 1.4 1.7 3 < 0.6 - - 2.75 85 Max. Unit - - -W - - -% 600 mV 400 mV 2.85 V - μVRMS Page 4 V.1.4 Revised May 28,2007 www.DataSheet.in 5 Page SAMHOP Microelectronics Corp. 3W STEREO AUDIO POWER AMPLIFIER WITH ADVANCED DC VOLUME CONTROL TOTAL HARMONIC DISTORTION + NOISE VS. FREQUENCY VDD = 5V Load = 4 ohms Po= 1.5 W BTL Mode TOTAL HARMONIC DISTORTION + NOISE VS. FREQUENCY VDD = 5V Load = 8 ohms Po = 1 W BTL Mode 20dB 6dB FREQUENCY (Hz) Figure 3 TOTAL HARMONIC DISTORTION + NOISE VS. OUTPUT POWER VDD = 4 V Load = 4 ohms Gain = 20 dB BTL Mode 20KHz 20 Hz 1 KHz 20dB 6dB FREFQigUuEreN4CY (Hz) Figure 4 TOTAL HARMONIC DISTORTION + NOISE VS. OUTPUT POWER VDD = 5 V Load = 4 ohms Gain = 20 dB BTL Mode 20KHz 20 Hz 1 KHz OUTPUTFPigOurWe 5ER (W) Figure 5 OUTPUFTiguPrOe W6 ER (W) Figure 6 www.DataSheet.in Page 10 V.1.4 Revised May 28,2007 11 Page

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