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ON NCV2904DMR2G
Configuration
1 options
Configuration
Date code within 2 years
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- ON NCV2904DMR2G
- Type
- ON
- Minimum package
- 4000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- ON
- Electronic Component
- NCV2904DMR2G
- Electronic Component
- 1
- Package
- Micro-8
- Electronic Component
- Operational Amplifier
- Electronic Component
- 0.13g
- Electronic Component
- 1
- Features
- Built-in; ESD
- Electronic Component
- BM0228538899
- Operating Temperature
- 40℃~+125℃
- Amplifier
- 2
- Output Current
- 20mA
- Power Supply Voltage
- 3V~32V
- Static Current(Iq)
- 1.5mA
- Electronic Component
- Electronic Component
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
NCV2904DMR2G 产品概述
NCV2904DMR2G 是 ON Semiconductor（安森美）推出的一款双路精密运算放大器，针对低功耗、宽电源范围和工业级温度要求的应用而设计。器件在微型 Micro-8 封装中集成两路放大器，兼顾小体积与良好性能，适合便携、汽车和工业控制等场景。
一、主要特性
- 双路运算放大器，静态电流（Iq）典型值 1.5 mA，适合低功耗系统。
- 增益带宽约 1 MHz，转速（slew rate）0.6 V/µs，适用于中低速信号处理。
- 共模抑制比（CMRR）70 dB，输入失调电压（Vos）典型 2 mV，输入失调电压温漂（Vos TC）7 µV/°C，保证直流精度。
- 输入偏置电流（Ib）45 nA，输入失调电流（Ios）5 nA，Ios 温漂 10 pA/°C，有利于高阻抗源接口。
- 输出驱动能力达 20 mA，可直接驱动一般模拟负载。
二、电源与温度范围
- 单电源工作电压范围：3 V 至 32 V；双电源对称范围：±16 V（Vee~Vcc），最大电源差（Vdd−Vss）32 V，满足多数工业和汽车供电条件。
- 工作温度范围：-40 ℃ 至 +125 ℃，适合严苛环境的长期可靠运行。
三、典型应用场景
- 传感器前端放大：高输入阻抗和低失调漂移有利于放大微弱传感器信号。
- 电池供电便携设备：较低的静态电流和宽单电源范围支持长续航设计。
- 汽车电子与工业控制：宽温区与高电压容限满足汽车/工业级应用要求。
- 信号调理、滤波器与比较级驱动等中速模拟电路。
四、封装与可靠性
NCV2904DMR2G 采用 Micro-8 小型封装，有利于高密度 PCB 布局与表面贴装工艺。ON 的 NCV 前缀常用于汽车级/高可靠系列，器件在制造和品保上针对长期稳定性进行了控制，适合需要长期稳定性的系统设计。
五、设计与使用建议
- 对于高精度直流放大或高阻抗传感器接口，建议在输入端加上合理的旁路与滤波电容以抑制共模干扰，利用器件 70 dB 的 CMRR 可提高抗干扰能力。
- 在驱动较大负载或需要更快瞬态响应时，注意器件 0.6 V/µs 的转速限制，必要时可选用更高速的放大器或配合缓冲级。
- 由于器件支持宽电源范围，布板时应做好电源去耦，尤其在汽车或工业系统中，要考虑瞬态电压抑制与浪涌保护。
六、总结
NCV2904DMR2G 是一款面向工业与汽车级应用的双路运算放大器，结合低静态功耗、宽电源电压与高温工作能力，适用于传感器接口、信号调理及通用模拟前端。其 1 MHz 带宽与 0.6 V/µs 转速在中低速模拟应用中表现均衡，Micro-8 封装便于尺寸受限的系统集成。若需更高带宽或更大输出驱动，可考虑其他优化器件。
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