ZHCSMM3D December 2020 – April 2024 OPA2391 , OPA391 , OPA4391
PRODMIX
请参考 PDF 数据表获取器件具体的封装图。
| 参数 | 测试条件 | 最小值 | 典型值 | 最大值 | 单位 | ||
|---|---|---|---|---|---|---|---|
| 失调电压 | |||||||
| VOS | 输入失调电压 | VS = 5.0V | ±10 | ±45 | µV | ||
| VCM = (V+) – 0.3V，VS = 5.0V | ±60 | ±750 | |||||
| VCM = (V–) – 0.1V | ±15 | ±80 | |||||
| TA = -40°C 至 +125°C(1) | ±600 | ||||||
| dVOS/dT | 输入失调电压温漂 | TA = 0°C 至 85°C(1) | ±1 | ±5 | µV/°C | ||
| TA = -40°C 至 +125°C(1) | ±1.2 | ±6 | |||||
| PSRR | 电源抑制比 | VCM = (V–) – 0.1V | 40 | µV/V | |||
| 输入偏置电流 | |||||||
| IB | 输入偏置电流 | TA = 25°C(1) | ±0.01 | 0.8 | pA | ||
| TA = 0°C 至 85°C(1) | 5 | ||||||
| TA = -40°C 至 +125°C(1) | OPA391DCK | 30 | |||||
| OPA2391YBJ | 35 | ||||||
| IOS | 输入失调电流 | TA = 25°C(1) | ±0.01 | 0.8 | pA | ||
| TA = 0°C 至 85°C(1) | 5 | ||||||
| TA = -40°C 至 +125°C(1) | 30 | ||||||
| 噪声 | |||||||
| 输入电压噪声 | f = 0.1Hz 至 10Hz，VCM = (V–) | 0.91 | µVRMS | ||||
| 6.0 | µVPP | ||||||
| en | 输入电压噪声密度 | f = 10Hz | 130 | nV/√Hz | |||
| f = 1kHz | 60 | ||||||
| f = 10kHz | 55 | ||||||
| in | 输入电流噪声密度 | f = 1kHz | 30 | fA/√Hz | |||
| 输入电压 | |||||||
| VCM | 共模电压 | TA = -40°C 至 +125°C(1) | (V–) – 0.1 | (V+) + 0.1 | V | ||
| CMRR | 共模抑制比 | (V–) – 0.1V ≤ VCM ≤ (V+) – 1.5V | OPA391DCK | 89 | 100 | dB | |
| OPA2391YBJ | 100 | ||||||
| (V–) – 0.1V ≤ VCM ≤ (V+) – 1.5V，VS = 5.5V | 100 | 121 | |||||
| TA = -40°C 至 +125°C(1) | 90 | 100 | |||||
| (V+) – 0.6V ≤ VCM ≤ (V+) + 0.1V | 69 | ||||||
| 输入阻抗 | |||||||
| Zid | 差分输入阻抗 | 0.1 || 1 | GΩ || pF | ||||
| Zic | 共模输入阻抗 | 1 || 1 | TΩ || pF | ||||
| 开环增益 | |||||||
| AOL | 开环电压增益 | VS = 5.5V | (V–) + 0.1V < VO< (V+) – 0.1V， VCM = (V–) –100mV |
100 | 121 | dB | |
| (V–) + 0.45V < VO< (V+) – 0.45V， VCM = (V–) –100mV，RL = 2kΩ |
100 | 121 | |||||
| VS = 1.7V | (V–) + 0.1V < VO< (V+) – 0.1V， VCM = (V+) – 1.5V |
90 | 113 | ||||
| (V–) + 0.45V < VO< (V+) – 0.45V， VCM = (V+) – 1.5V，RL = 2kΩ |
90 | 107 | |||||
| 频率响应 | |||||||
| UGB | 单位增益带宽 | G = 1 | IOUT = 0µA | 450 | kHz | ||
| IOUT = 0µA，RL = 50kΩ | 0.85 | MHz | |||||
| IOUT = 100µA | 0.75 | ||||||
| GBW | 增益带宽积 | 1 | MHz | ||||
| SR | 压摆率 | G = -1，4V 阶跃 | 1 | V/µs | |||
| tS | 稳定时间 | 精度达到 0.1%，VS = 5.5V，G = 1，1V 阶跃 | 8 | µs | |||
| tOR | 过载恢复时间 | VIN × G = VS | 15 | µs | |||
| 输出 | |||||||
| VO | 相对于电源轨的电压输出摆幅 | 无负载 | 3 | mV | |||
| 10 | |||||||
| RL = 2kΩ | 40 | ||||||
| TA = -40°C 至 +125°C(1) | OPA391DCK | 10 | |||||
| OPA2391YBJ | 12 | ||||||
| ISC | 短路电流 | VS = 5.5V | 45 | 60 | mA | ||
| ZO | 开环输出阻抗 | f = 1MHz，空载 | 1.6 | kΩ | |||
| 电源 | |||||||
| IQ | 每个放大器的静态电流 | VCM = (V+) – 1.5V | 23.5 | 30 | µA | ||
| TA = -40°C 至 +125°C(1) | 32 | ||||||
| 关断（仅限 OPA2391YBJ） | |||||||
| IQSD | 每个放大器的静态电流(2) | 所有放大器均为禁用状态，EN = (V–) | 3.5 | µA | |||
| VIH | 高电平输入电压(2) | 已启用放大器 | (V+) – 0.5 | V | |||
| VIL | 低电平输入电压(2) | 已禁用放大器 | (V–) + 0.5 | V | |||
| tON | 放大器启用时间(2) | G = 1，VOUT = 0.9 × VS/2(3) | 75 | µs | |||
| tOFF | 放大器禁用时间(2) | G = 1，VOUT = 0.1 × VS/2(3) | 4 | µs | |||
| EN 引脚输入漏电流(2) | VIH = (V+) | ±0.01 | µA | ||||
| VIL = (V–) | -0.3 | ||||||