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SM6452AM Datasheet(PDF) 1 Page - Nippon Precision Circuits Inc |
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SM6452AM Datasheet(HTML) 1 Page - Nippon Precision Circuits Inc |
1 / 16 page SM6452AM/BM NIPPON PRECISION CIRCUITS—1 NIPPON PRECISION CIRCUITS INC. Audio Variable Volume ICs OVERVIEW The SM6452AM/BM are serial-control electronic variable volume ICs for audio applications. They provide electronic volume control for 6 channels, with independent channel gain, attenuation and muting. They feature enhanced digital zip noise suppression. The serial control options are 3-wire interface (SM6452AM) and I2C bus (SM6452BM). The SM6452AM/BM are available in 24-pin SSOP packages. FEATURES s 6-channel input/output (positive-phase-sequence output) s Attenuation function • 6-channel independent control • +16 to 0 to −79dB variable range • 1.0 dB/step adjustment • Mute function s Microcontroller interface • 3-wire serial data interface (SM6452AM) •I2C bus format 2-wire control (SM6452BM)*1 •I2C address = 1000000 s Low noise • ≤ 0.002% THD + noise • ≤ 10µVrms residual noise s 0.5AVDD analog reference voltage source built-in s Power supply • 7 to 13V analog supply • 2.7 to 5.5V digital supply s Molybdenum-gate CMOS process s 24-pin SSOP ORDERING INFORMATION PINOUT SM6452AM SM6452BM *1. I2C bus is a registered trademark of Philips Electronics N.V. D e vice P a ck ag e SM6452AM 24-pin SSOP SM6452BM 24-pin SSOP Top view Top view 1 13 24 12 AVDD1 VREF1 AIN1 AIN2 AIN3 AIN4 AIN5 AVDD2 VREF2 AOUT1 AOUT2 AOUT3 AOUT4 AOUT5 AIN6 AOUT6 AVSS1 DVDD MDT RSTN AVSS2 DVSS MCK MLEN 1 13 24 12 AVDD1 VREF1 AIN1 AIN2 AIN3 AIN4 AIN5 AVDD2 VREF2 AOUT1 AOUT2 AOUT3 AOUT4 AOUT5 AIN6 AOUT6 AVSS1 DVDD SDA RSTN AVSS2 DVSS SCL NC |
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