General Description

The APA0710 is a bridged-tied load (BTL) or singled ended (SE) audio power a mplifier developed es pecially for low-voltage applications where internal speakers and external earphone operati on are required. The APA0711 is a only BTL audio power amplifier developed especially for low-voltage applications where internal speakers are required. Operating with a 5V supply ,

特性 Features

· Operating Voltage : 2.6V-5.5V

· AP A0710 Compatible with TP A71 1

AP A071 1 Compatible with TP A751

· Bridge-Tied Load (BTL) or Single-Ended (SE)

Modes Operation (for APA0710 only)

· Supply Current

– IDD=1.3mA at VDD=5V ,BTL mode

– IDD=0.9mA at VDD=3.3V ,BTL mode

· Low Shutdown Current

– IDD=0.1mA

· Low Distortion

– 630mW, at VDD=5V , BTL, RL=8W THD+N=0.15

– 280mW, at VDD=3.3V , BTL, RL=8W THD+N=0.15

· Output Power at

1 THD+N

– 900mW, at VDD=5V , BTL, RL=8W

– 400mW, at VDD=3.3V , BTL, RL=8W

at 10 THD+N

–1.1W at VDD=5V, BTL, RL=8W

–480mW at VDD=3.3V , BTL, RL=8W

· Depop Circuitry Integrated

· Thermal Shutdown Protection and Over Current Protection Circuitry

· High supply voltage ripple rejection

· Surface-Mount Packaging

– 8 pin MSOP-P (with enhanced thermal pad) power package available

– SOP-8 package

? Lead Free Available (RoHS Compliant)

Applications

· Mobil Phones

· PDAs

· Digital Ca mera

· Portable Electronic Devices