器件名称: AS1702
功能描述: 1.6W Single-Channel Audio Power Amplifiers
文件大小: 187.58KB 共13页
简 介:a u s t ri a m i c r o s y s t e m s
AS1702, AS1703, AS1704, AS1705
1.6W Single-Channel Audio Power Amplifiers
D a ta S he e t
1 General Description
The AS1702, AS1703, AS1704, and AS1705 are singlechannel differential audio power-amplifiers designed to drive 4 and 8 loads. The integrated gain circuitry of these amplifiers and their small size make them ideal for 2.7- to 5V-powered portable audio devices. The differential input design improves noise rejection and provides common-mode rejection. A bridge-tied load (BTL) design minimizes external component count, while providing Hi-Fi audio power amplification. The devices deliver 1.6W continuous average power per channel to a 4 load with less than 1% total harmonic distortion (plus noise), while operating from a single 2.7 to 5V supply. In order to facilitate reduced component designs, the devices are available with different gain levels:
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2 Key Features
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2.7 to 5.5V (VCC) Single-Supply Operation THD+N: 1.6W into 4 at 1% (per Channel) Differential Input Adjustable Gain Option (AS1702) Internal Fixed Gain to Reduce External Component Count (AS1703, AS1704, AS1705) <100nA Low-Power Shutdown Mode Click and Pop Suppression Pin-Compatible National Semiconductor LM4895 (AS1705) and Maxim MAX9718A/B/C/D Operating Temperature Range: -40 to +85°C Low-Cost MSOP-10 Package
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AS1702 – Adjustable Gain (via external components) AS1703 – AV = 0dB AS1704 – AV = 3dB AS1705 – AV = 6dB
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Integrated shutdown circu……
