CXOA4205是一个由一个运算放大器（OPA）和一个1.25V的非逆变输入电压基准和一个开放式集电极输出组成的单片机。它在电源二次反馈控制、交直流变换器或适配器等应用中具有空间小、成本低等优点。CXOA4205设计用于OCP探测器，几乎没有外部组件。典型应用实例的电路图如下图所示。
˙固定参考电压：1.25V
高温高精度：1%
˙3.0V~25V宽工作电压
˙吸收电流高达20毫安
˙低输入偏置电压：1mV
-
[ CXOA4205 ]
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 CXOA4205 is a single chip composed one op-amp (OPA) with a 1.25V precision voltage reference on non-inverting input and an open collector output. It offers space and low cost in many applications such as the secondary feedback control of power supply, AC to DC converter or adaptor.
The CXOA4205 is designed to used as OCP detector with few external components. The circuit diagram for typical application example is shown as below.
二.产品特点
˙Fixed Reference Voltage: 1.25V
˙High Precision Over Temperature: 1%
˙Wide Operating Voltage From 3.0V~25V
˙Sink Current up to 20mA
˙Low Input Offset Voltage: 1mV
˙Package: SOT23-5L
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 |
◀ 上一篇:CXOA4204运算放大器电压比较器和基准电压源在芯片内部电压比较器的反相输入端连接到基准压源频率补偿电路单电源
下一篇▶:CXOA4206运算放大器OPA和1.25V的精确电压基准构成该电压基准在开路集电极输出的逆变输入端电源二次反馈控制交直流变换器或适配器等集电极开路输出吸收电流20毫安
