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 | ±85 | µV | ||
VCM = (V+) – 0.3V | ±60 | ±750 | |||||
VCM = (V–) – 0.1V | ±15 | ±80 | |||||
dVOS/dT | 输入失调电压温漂 | TA = 0°C 至 85°C(1) | ±1 | ±5 | µV/°C | ||
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 | ||||||
IOS | 输入失调电流 | TA = 25°C(1) | ±0.01 | 0.8 | pA | ||
TA = 0°C 至 85°C(1) | 5 | ||||||
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 +85°C(1) | (V–) – 0.1 | (V+) + 0.1 | V | ||
CMRR | 共模抑制比 | (V–) – 0.1V ≤ VCM ≤ (V+) – 1.5V | 86 | 100 | dB | ||
VS = 5.5V | 100 | 121 | |||||
(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 | ||||||
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 |