仪表放大器 FET-Input Low Power Instrumentation Amp
DESCRIPON
The INA121 is a FET-input, low power instrumentation amplifier offering excellent accuracy. Its versatile three-op amp design and very small size make it ideal for a variety of general purpose applications. Low bias current ±4pA allows use with high impedance sources.
FEATURES
●LOW BIAS CURRENT: ±4pA
●LOW QUIESCENT CURRENT: ±450µA
●LOW INPUT OFFSET VOLTAGE: ±200µV
●LOW INPUT OFFSET DRIFT: ±2µV/°C
●LOW INPUT NOISE: 20nV/√Hz at f = 1kHz G =100
●HIGH CMR: 106dB
●WIDE SUPPLY RANGE: ±2.25V to ±18V
●LOW NONLINEARITY ERROR: 0.001% max
●INPUT PROTECTION TO ±40V
●8-PIN DIP AND SO-8 SURFACE MOUNT
APPLICATIONS
●LOW-LEVEL TRANSDUCER AMPLIFIERS Bridge, RTD, Thermocouple
●PHYSIOLOGICAL AMPLIFIERS ECG, EEG, EMG, Respiratory
●HIGH IMPEDANCE TRANSDUCERS
●CAPACITIVE SENSORS
●MULTI-CHANNEL DATA ACQUISITION
●PORTABLE, BATTERY OPERATED SYSTEMS
●GENERAL PURPOSE INSTRUMENTATION
供电电流 450 µA
电路数 1
通道数 1
共模抑制比 72 dB
静态电流 450 µA
带宽 600 kHz
转换速率 70.0 mV/μs
输入补偿电压 300 µV
输入偏置电流 4 pA
工作温度Max 85 ℃
工作温度Min -40 ℃
3dB带宽 600 kHz
增益带宽 72 dB
共模抑制比Min 72 dB
电源电压Max 30V ~ 50V
安装方式 Surface Mount
引脚数 8
封装 SOIC-8
长度 4.9 mm
宽度 3.91 mm
高度 1.58 mm
封装 SOIC-8
工作温度 -40℃ ~ 85℃
产品生命周期 Active
包装方式 Tube
RoHS标准 RoHS Compliant
含铅标准 Lead Free
型号/品牌 | 代替类型 | 替代型号对比 |
---|---|---|
INA121UAE4 TI 德州仪器 | 当前型号 | 当前型号 |
INA121UA 德州仪器 | 类似代替 | INA121UAE4和INA121UA的区别 |
INA121UA/2K5 德州仪器 | 类似代替 | INA121UAE4和INA121UA/2K5的区别 |
INA121UA/2K5E4 德州仪器 | 类似代替 | INA121UAE4和INA121UA/2K5E4的区别 |