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A2203

AiT Semiconductor
Part Number A2203
Manufacturer AiT Semiconductor
Description 1.1 WATT AUDIO POWER AMPLIFIER
Published May 24, 2015
Detailed Description AiT Semiconductor Inc. www.ait-ic.com A2203 AUDIO AMPLIFIER 1.1 WATT AUDIO POWER AMPLIFIER DESCRIPTION FEATURES The ...
Datasheet PDF File A2203 PDF File

A2203
A2203

Overview
AiT Semiconductor Inc.
www.
ait-ic.
com A2203 AUDIO AMPLIFIER 1.
1 WATT AUDIO POWER AMPLIFIER DESCRIPTION FEATURES The A2203 is a Class-AB audio power amplifier designed for mobile phone, MID and other portable communication devices.
It is capable of delivering 1.
1 watts of continuous average power to an 8Ω BTL load with less than 1% distortion (THD+N) from a 5VDC power supply.
The A2203 was designed specifically to provide high quality output power with a minimal amount of external components.
It does not require output coupling capacitors or bootstrap capacitors.
And with ultra low shutdown current, the A2203 is ideally suited for mobile phone, MID and other low voltage applications where minimal power consumption is a primary requirement.
With special pop-click eliminating circuit, the A2203 provides perfect pop-click characteristic during turn-on and turn-off transitions.
The A2203 is unity-gain stable and can be configured by external gain-setting resistors.
 Improved PSRR at 217 Hz & 1 KHz: 60dB  Power output at 5.
0V, 1% THD+N, 8Ω: 1.
1W (typ.
)  Ultra low shutdown current: 0.
1uA (typ.
)  2.
2V ~ 5.
5V operation  Improved circuitry eliminates pop-click noise during turn-on and turn-off transitions  No output coupling capacitors, snubber networks or bootstrap capacitors required  Unity-gain stable  External gain configuration capability  Available in MSOP8 and SOP8 Packages APPLICATION  MID  Wireless handsets  Portable electronic devices  PDAs, Handheld computers The A2203 is available in MSOP8 and SOP8 packages TYPICAL APPLICATION ORDERING INFORMATION Package Type Part Number MSOP8 A2203MS8R MS8 A2203MS8VR SOP8 Note A2203M8R M8 A2203M8VR V: Halogen free Package R: Tape & Reel AiT provides all RoHS products Suffix “ V “ means Halogen free Package REV2.
0 - JUL 2008 RELEASED, MAY 2014 UPDATED - Fig1.
-1- AiT Semiconductor Inc.
www.
ait-ic.
com PIN DESCRIPTION A2203 AUDIO AMPLIFIER 1.
1 WATT AUDIO POWER AMPLIFIER Pin # 1 2 3 4 5 6 7 8 Top Vi...


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