The CXAB4124 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 CXAB4124 was designed specifically to provide high quality output power with a minimal amount of external components.

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[ CXAB4124 ]"
目录
1.产品概述 2.产品特点 3.应用范围 4.技术规格书下载(PDF文档)
一.产品概述
The CXAB4124 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 CXAB4124 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 CXAB4124 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 CXAB4124 provides perfect pop-click characteristic during turn-on and turn-off transitions. The CXAB4124 is unity-gain stable and can be configured by external gain-setting resistors.
二.产品特点
Improved PSRR at 217 Hz & 1 KHz 60 dB
Power output at 5.0V, 1% THD+N, 8Ω 1.1 W (typ.)
Ultra low shutdown current 0.1 uA (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
Packages: MSOP8、SOP8
三.应用范围
MID Wireless handsets
Portable electronic devices
PDAs, Handheld computers
四.技术规格书(产品PDF)
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五.产品封装图
六.电路原理图
七.相关芯片选择指南
AB类音频功放电路(Class AB Audio Amplifier) | ||||||
Part No. | Features | Output | PSRR | VDD | Package | Applications |
CXAB4123 | Low Power Audio Amplifier | 400mW | 2~16V | SOP8 TSSOP8 | -2 | |
CXAB4124 | Audio Power Amplifier | 1.1W | 60dB | 2.2~5.5V | MSOP8 SOP8 | (1)(4)(11) |
CXAB4125 | Audio Power Amplifier | 1.2W | 70dB | 2.2~5.5V | NLGA9L | (1) (3) |
CXAB4126 | Audio Power Amplifier | 1.3W | 68dB | 2.2~5.5V | CSP9 MSOP8 DFN8 | (1) (3) |
CXAB4127 | Audio Power Amplifier | 1.6W | 60dB | 2.2~5.5V | SOP8 | (8)(12) |
CXAB4128 | Audio Power Amplifier Plus Stereo Headphone Function | 2.2 W x 2 | 73dB | 2~5.5V | TSSOP20 DIP16 SOP16 | (5) (6) (8) (9) |
CXAB4128B | Audio Power Amplifier Plus Stereo Headphone Function | 2.5 W x 2 | 60dB | 2~5.5V | SOP16 | -7 |