The CXAR41259 is a 1.3 W mono fully differential amplifier designed to drive a speaker with at least 8Ω impedance in most applications. This device operates from 2.5 V to 5.5 V, drawing only 1.7 mA of quiescent supply current.The CXAR41259 is available in the space-saving MSOP8 package and the space saving 2mm x 2mm DFN package

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[ CXAR41259 ]"
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产品概述 返回TOP
The CXAR41259 is a 1.3 W mono fully differential amplifier designed to drive a speaker with at least 8Ω impedance in most applications. This device operates from 2.5 V to 5.5 V, drawing only 1.7 mA of quiescent supply current.The CXAR41259 is available in the space-saving MSOP8 package and the space saving 2mm x 2mm DFN package. Features like 85dB PSRR from 90Hz to 5kHz, improved RF-rectification immunity, and small PCB area makes the CXAR41259 ideal for wireless handsets. A fast start-up time of 4 ms with minimal pop makes the CXAR41259ideal for PDA applications.
产品特点 返回TOP
PO at 1% THD+N, VDD = 5V RL = 8Ω 1.3W
PO at 1% THD+N, VDD = 3.6V RL = 8Ω 0.72W
PO at 1% THD+N, VDD = 2.5V RL = 8Ω 0.35W
Wide supply voltage: 2.5V to 5.5V
Supply current: 1.7mA (typical)
Shutdown current: less than 10μA
PSRR: 90dB
Fully differential design to reduce RF rectification
Improved CMRR design to save the cost of two input coupling capacitors
RoHS compliant and 100% lead(Pb)-free
应用范围 返回TOP
Mobile Phones
PDAs,MP4
Portable Electronic Devices
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产品封装图 返回TOP
电路原理图 返回TOP
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Class AB | ||||
型号 | 操作电压(v) | 通道数 | 输出功率(w) | 封装 |
CXAR41259 | 2.5~5.5 | 1 | 1.3 | DFN2X2-8L |
CXAR41260 | 2.5~5.5 | 2 | 2.2 | SOP16/TSSOP20 |
CXAR41261 | 2.4~5.5 | 1 | 1.2 | DFN2X2-8L |