丝印：INA790A；Package：VQFN(DEK)；INA790x –4V to 110V, Bidirectional, Ultra-Precise, Current Sense Amplifier With Enhanced PWM Rejection and 75A EZShunt™ Technology

1 Features • Precision design with integrated shunt resistor – ±75A continuous current at 25°C – ±50A continuous current at +125°C – Shunt resistor: 400μΩ – Shunt inductance: 2nH • Wide common-mode voltage range: –4V to +110V • Enhanced PWM rejection optimized for systems subject to switch

文件：2.53581 Mbytes 页数：39 Pages

TI

德州仪器

INA790x –4V to 110V, Bidirectional, Ultra-Precise, Current Sense Amplifier With Enhanced PWM Rejection and 75A EZShunt™ Technology

1 Features • Precision design with integrated shunt resistor – ±75A continuous current at 25°C – ±50A continuous current at +125°C – Shunt resistor: 400μΩ – Shunt inductance: 2nH • Wide common-mode voltage range: –4V to +110V • Enhanced PWM rejection optimized for systems subject to switch

文件：2.53581 Mbytes 页数：39 Pages

TI

德州仪器

INA790x –4V to 110V, Bidirectional, Ultra-Precise, Current Sense Amplifier With Enhanced PWM Rejection and 75A EZShunt™ Technology

1 Features • Precision solution with integrated shunt resistor – ±75A continuous current at 25°C – ±50A continuous current from –40°C to +125°C – Shunt resistor: 400μΩ – Shunt inductance: 2nH • Wide common-mode voltage range: –4V to +110V • Enhanced PWM rejection optimized for systems subj

文件：1.09665 Mbytes 页数：24 Pages

TI

德州仪器

INA790x –4V to 110V, Bidirectional, Ultra-Precise, Current Sense Amplifier With Enhanced PWM Rejection and 75A EZShunt™ Technology

1 Features • Precision solution with integrated shunt resistor – ±75A continuous current at 25°C – ±50A continuous current at +125°C – Shunt resistor: 400μΩ – Shunt inductance: 2nH • Wide common-mode voltage range: –4V to +110V • Enhanced PWM rejection optimized for systems subject to swit

文件：2.36093 Mbytes 页数：36 Pages

TI

德州仪器

110V, 75ARMS integrated shunt, ultra-precision current sense amplifier with enhanced PWM rejection

INA790x 是一款电压输出、电流检测大器，具有一个 400µΩ 的集成型分流电阻器。INA790x 可独立于电源电压在 –4V 至 110V 的宽共模范围内监控双向电流。可调增益选项有助于优化系统动态范围。通过将开尔文连接分流电阻器和零漂移斩波放大器进行整合，可以为检测电阻器提供校准等效测量精度、±35ppm/°C 的超低温漂性能和优化的布局。\n\nINA790x 采用了增强型 PWM 抑制电路，可抑制较大 (dv/dt) 共模瞬态导致的干扰，并在开关系统中实现实时持续电流测量。这种持续测量对于电机驱动应用中的线路内电流测量以及电磁阀控制应用至关重要。\n\n此器件由一个 2.7V 至 • 具有集成型分流电阻器的精密解决方案 \n• ±50A 持续电流，+125°C\n• 分流电感：2nH\n• 宽共模电压范围：-4V 至 +110V\n• 支持高达 125kHz 的开关频率\n• 卓越的 CMRR \n• 114dB 交流 CMRR（50kHz 时）\n• 高测量精度 \n• 版本 A：±0.35%，±35ppm/°C 温漂\n• 失调电流（最大值） \n• 版本 B：±250mA，±1.25mA/°C 漂移\n• 可通过外部电阻分压器网络调节增益： \n• TJ 为 160°C 时的开漏温度警报\n• 封装选项：VQFN-15;

TI

德州仪器