SM6452AM - Nippon Precision Circuits Inc

SM6452AM Audio Variable Volume ICs

Number 1 2 3 4 5 6 7 8 9 10 11 S D A (BM) 12 13 NC (BM) MCK (AM) 14 SCL (BM) 15 16 17 18 19 20 21 22 23 24 DV S S I – – I RSTN MLEN (AM) I/O Ip Ip Name AV D D 1 VREF1 AIN1 AIN2 AIN3 AIN4 AIN5 AIN6 AV S S 1 DV D D MDT (AM) I/O 1 – O I I I I I I – – I A/D2 A A A A A A A A Analog supply 1 Reference voltage source capacitor connection (0.5AV D D 1 ) Channel 1 au.

Features

s PINOUT pre lim ina AVDD1 VREF1 AIN1 AIN2 AIN3 AIN4 AIN5 AIN6 1 s s s s s s s 6-channel input/output (positive-phase-sequence output) Attenuation function
• 6-channel independent control
• +16 to 0 to −79dB variable range
• 1.0 dB/step adjustment
• Mute function Microcontroller interface
• 3-wire serial data interface (SM6452AM)
• I2C bus format 2-wire control (SM6452BM)
*1
• I2C address = 1000000 Low noise
• ≤ 0.002% THD + noise
• ≤ 10µVrms residual noise 0.5AVDD analog reference voltage source built-in Power supply
• 7 to 13V analog supply
• 2.7 to 5.5V digital supply Molybdenum-gate.