CXOA4208是一种1芯片，由一个独立的运算放大器（OPA2）和另一个运算放大器（OPA1）组成，在非逆变输入端具有2.5V的精确电压基准，在许多应用中，如电源的二次反馈控制、DC/DC转换器或适配器，应用于提供空间和低成本。
CXOA4208是一款高性能集成电路，采用少量的外部元件，设计成反馈电路。典型应用实例的电路图如下。
˙固定参考电压：2.5V
˙参考电压精度：1%
˙输出漏电流高达100mA
˙低静态电源电流
˙宽工作电压范围：3~32V（+/-16V）
˙低输入偏置电压
˙单位增益带宽：0.9MHz
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[ CXOA4208 ]
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 CXOA4208, a 1-chip composed of one independent op-amp (OPA2) and another op-amp (OPA1) with a 2.5V precision voltage reference on non-inverting input, applied to offer space and low cost in many applications such as the secondary feedback control of power supply, DC/DC converter or adaptor.
Using few external components, CXOA4208, a high performance integrated IC, is designed for a feedback circuit. The circuit diagram of the typical application example is as below.
二.产品特点
˙Fixed Reference Voltage: 2.5V
˙Reference Voltage Precision: 1%
˙Output sink current up to 100mA
˙Low quiescent supply current
˙Wide operating voltage range: 3~32V(+/-16V)
˙Low input offset voltage
˙Unit gain bandwidth: 0.9MHz
˙Package: PDIP8/SOP8
三.应用范围
Ø Battery Charger
Ø High Side Rail Current Detector
Ø SPS (Adaptor)
Ø Current Sense Networking System
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 更多同类产品......
| 运算放大器OPERATIONAL AMPLIFIER | ||||||||
| Part No. | VIN | IOUT | Reference | Swing | Notes | Package | Status | |
| (Min) | (Max) | Voltage | ||||||
| (V) | (mA) | (V) | ||||||
| CXOA4205 | 3 | 25 | 20 | 1.25 | Rail-to-Rail | Reference V on non-Inverting Input | SOT23-5 | MP |
| CXOA4206 | 3 | 25 | 20 | 1.25 | Rail-to-Rail | Reference V on Inverting Input | SOT23-5 | MP |
| CXOA4207 | 3 | 25 | 20 | 1.25 | Rail-to-Rail | Single OP | SOT23-5 | MP |
| CXOA4208 | 2.5 | 32 | 100 | 2.5 | Rail-to-Rail | Dual OP and Renerence V Input | SOP8 | MP |
| CXOA4209 | 3 | 20 | 10 | 1.25 | Rail-to-Rail | Dual OP and Renerence V Input | SOT23-5 | MP |
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