ZHCSLH8A June 2020 – November 2023 INA281
PRODUCTION DATA
参数 | 测试条件 | 最小值 | 典型值 | 最大值 | 单位 | |
---|---|---|---|---|---|---|
输入 | ||||||
VCM | 共模输入范围(1) | TA = -40°C 至 +125°C | -4 | 110 | V | |
CMRR | 共模抑制比,以输入为基准 | -4V ≤ VCM ≤ 110V,TA = -40°C 至 +125°C | 120 | 140 | dB | |
f = 50kHz | 65 | dB | ||||
Vos | 失调电压,以输入为基准 | INA281x1 | ±100 | ±500 | µV | |
INA281x2 | ±55 | ±300 | ||||
INA281x3 | ±30 | ±250 | ||||
INA281x4 | ±30 | ±200 | ||||
INA281x5 | ±15 | ±150 | ||||
dVos/dT | 失调电压温漂 | TA = -40 ℃ 至 +125 ℃ | ±0.1 | ±1 | µV/℃ | |
PSRR | 电源抑制比,以输入为基准 | 2.7V ≤ VS ≤ 20V, TA = –40°C 至 +125°C |
±1.5 | ±10 | µV/V | |
IB | 输入偏置电流 | IB+,VSENSE = 0V | 10 | 20 | 30 | uA |
IB–,VSENSE = 0V | 10 | 20 | 30 | uA | ||
输出 | ||||||
G | 增益 | INA281x1 | 20 | V/V | ||
INA281x2 | 50 | V/V | ||||
INA281x3 | 100 | V/V | ||||
INA281x4 | 200 | V/V | ||||
INA281x5 | 500 | V/V | ||||
GERR | 增益误差 | GND + 50mV ≤ VOUT ≤ VS – 200mV | ±0.07 | ±0.5 | % | |
TA = -40°C 至 +125°C | ±2 | ±20 | ppm/°C | |||
NLERR | 非线性误差 | 0.01 | % | |||
最大容性负载 | 无持续振荡,无隔离电阻器 | 500 | pF | |||
电压输出 | ||||||
相对于 VS(电源轨)的摆幅 | RLOAD = 10kΩ,TA = –40°C 至 +125°C | VS - 0.07 | VS - 0.15 | V | ||
对地摆幅 | RLOAD = 10kΩ,VSENSE = 0V,TA = –40°C 至 +125°C | 0.005 | 0.02 | V | ||
频率响应 | ||||||
BW | 带宽 | INA281x1,CLOAD = 5pF, VSENSE = 200mV |
1300 | kHz | ||
INA281x2,CLOAD = 5pF, VSENSE = 80mV |
1300 | |||||
INA281x3,CLOAD = 5pF, VSENSE = 40mV |
1000 | |||||
INA281x4,CLOAD = 5pF, VSENSE = 20mV |
900 | |||||
INA281x5,CLOAD = 5pF, VSENSE = 8mV |
900 | |||||
SR | 压摆率 | 上升沿 | 2.5 | V/µs | ||
趋稳时间 | VOUT = 4V ± 0.1V 阶跃,输出稳定至 0.5% | 10 | µs | |||
VOUT = 4V ± 0.1V 阶跃,输出稳定至 1% | 5 | |||||
VOUT = 4V ± 0.1V 阶跃,输出稳定至 5% | 1 | |||||
噪声 | ||||||
Ven | 电压噪声密度 | 50 | nV/√Hz | |||
电源 | ||||||
Vs | 电源电压 | TA = -40°C 至 +125°C | 2.7 | 20 | V | |
IQ | 静态电流 | 1.5 | 2 | mA | ||
TA = -40°C 至 +125°C | 2.25 | mA |