NJU72341

NJU72341 2 Channels Electronic Volume GENERAL DESCRIPTION The NJU72341 is a 2 channels I2C electronic volume IC with external mute controls. The NJU72341 has many characteristics that are useful in audio application, such as low noise, low distortion, and wide operating voltage range. All functions are controlled by I2C BUS interface. PACKAGE OUTLINE FEATURES  Operating Voltage  Input Gain  Volume  Low Distortion  Low Noise  External Mute  Zero Cross Detection  I2C BUS Control  CMOS Technology  Small Package    BLOCK DIAGRAM V+=4.5V  14.5V 0dB/+3dB/+6dB/+9dB 0~-95dB/Mute ,1dBstep 0.002% typ. 2.0µVrms typ. SSOP14 SSOP14  PIN CONFIGURATION IN1 IN2 MUTE SDA SCL I2C OUT1 OUT2 V r ef Zero Cross Detection No. Symbol 1 NC 2 NC 3 IN1 4 IN2 5 MUTE 6 SDA 7 SCL 8 V+ 9 VREF 10 GND 11 OUT2 12 OUT1 13 NC 14 NC Function Input Terminal 1 Input Terminal 2 Mute Terminal I2C Data Input Terminal /Acknowledge Output I2C Clock Terminal ...