AD1990ACPZ

D类音频功率放大器 Class-D Audio Power Amplifier

GENERAL DESCRIPTION

The AD199x is a two channel Bridge Tied Load BTL switching audio power amplifier with integrated ∑∆modulator. The modulator accepts a 1Vrms input signal maximum power and generates a switching waveform to drive speakers directly.

AD1990: 5Wx2 10Wx1

AD1992: 10Wx2 20Wx1

AD1994: 25Wx2 50Wx1

AD1996: 40Wx2 80Wx1

FEATURES

Integrated Stereo Modulator & Power Stage

0.005% THD+N

101.5dB Dynamic Range

PSRR > 65 dB

RDS-ON< 0.3Ωper transistor

Efficiency > 80% @ 5W/6Ω

EMI Optimized Modulator

On-Off-Mute Pop Noise Suppression

Short Circuit Protection

Over-Temperature Protection

Low Cost DMOS Process

APPLICATIONS

Flat Panel Televisions

Automotive Amplifiers

PC Audio Systems

Mini Components