NJU8755 - New Japan Radio

NJU8755 Analog Signal Input Stereo Class D Power Amplifier

The NJU8755 is an analog signal input stereo class D power amplifier. The NJU8755 includes Inversion operational amplifier input circuit, PWM modulators, an output-short protector and a low voltage detector. The NJU8755 incorporates BTL amplifiers, which eliminate AC coupling capacitors, capable of driving up to 1.2W/channel with simple external LC low-pass .

Features

! PIN CONFIGURATION # # # # # # # # 2-Channel Analog Signal Input 2-Channel BTL Outputs :1.2W/channel Standby(Hi-Z), Mute Control Built-in Short Protector Built-in Low Voltage Detector Operating Voltage 2.7 ~ 5.25V CMOS Technology Package Outline SSOP20 at 5V into 8Ohms VDD INL TEST MUTE VDDL OUTLP VSSL OUTLN VDDL ! BLOCK DIAGRAM VDD VDDL VSS 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 INL COM INR - + Pulse Width - Modulator + + - Pulse Width + Modulator - Short Protector VSS INR COM STBY VDDR OUTRP VSSR OUTRN VDDR VDDR VDDL OUTLP VSSL VDDL OUTLN VSSL VDD.