The CXAB4125 CXAB4126 is a Class-AB audio power amplifier designed
for mobile phones and other portable communication devices. It is capable
of delivering 1.2 watts of continuous average power to an 8Ω BTL load with
less than 1% distortion (THD+N) from a 5VDC power supply.
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[ CXAB4125 ]"
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 CXAB4125 CXAB4126 is a Class-AB audio power amplifier designed for mobile phones and other portable communication devices. It is capable of delivering 1.2 watts of continuous average power to an 8Ω BTL load withless than 1% distortion (THD+N) from a 5VDC power supply.
The CXAB4125 CXAB4126 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 CXAB4125 CXAB4126 is ideally suited for mobile phone and other low voltage applications where minimal power consumption is a primary requirement. With special pop-click eliminating circuit, the
CXAB4125 CXAB4126 provides perfect pop-click characteristic during turn-on and turn-off transitions.
The CXAB4125 CXAB4126 is unity-gain stable and can be configured by external gain-setting resistors.
二.产品特点
◆Improved PSRR at 217 Hz 70dB
◆Power output at 5.0V, 1% THD+N, 8Ω 1.2W (typ.)
◆Power output at 3.0V, 1% THD+N, 8Ω 400 mW (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 ◆Excellent RFI (Radio Frequency Interference) immunity
◆No output coupling capacitors, snubber networks or bootstrap capacitors required
◆Unity-gain stable
◆External gain configuration capability
◆Available in space-saving package: NLGA9L
三.应用范围
◆Wireless handsets
◆Portable electronic devices
◆PDAs, Handheld computers
四.技术规格书（产品PDF)
需要详细的PDF规格书请扫一扫微信联系我们，还可以获得免费样品以及技术支持！
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 |
