ZHCSMJ7 November 2020 INA281-Q1
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-Q1 | ±100 | ±500 | µV | |
| INA281x2-Q1 | ±55 | ±300 | ||||
| INA281x3-Q1 | ±30 | ±250 | ||||
| INA281x4-Q1 | ±30 | ±200 | ||||
| INA281x5-Q1 | ±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-Q1 | 20 | V/V | ||
| INA281x2-Q1 | 50 | V/V | ||||
| INA281x3-Q1 | 100 | V/V | ||||
| INA281x4-Q1 | 200 | V/V | ||||
| INA281x5-Q1 | 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-Q1，CLOAD = 5pF， VSENSE = 200mV |
1300 | kHz | ||
| INA281x2-Q1，CLOAD = 5pF， VSENSE = 80mV |
1300 | |||||
| INA281x3-Q1，CLOAD = 5pF， VSENSE = 40mV |
1000 | |||||
| INA281x4-Q1，CLOAD = 5pF， VSENSE = 20mV |
900 | |||||
| INA281x5-Q1，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 | ||||