ZHCSQ21E February 2022 – January 2025 OPA2328 , OPA328
PRODMIX
| 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 | OPA2328D/DGK/DRG | ±3 | ±50 | μV | ||
| OPA328DBV | ±3 | ±75 | |||||
| dVOS/dT | 输入失调电压温漂 | TA = -40°C 至 +125°C | OPA328DBV、OPA2328D、DGK | ±0.15 | ±1 | μV/°C | |
| OPA2328DRG | ±0.15 | ±1.5 | |||||
| PSRR | 电源抑制比 | VS = ±1.1V 至 ±2.75V | ±1 | ±10 | μV/V | ||
| VS = ±1.1V 至 ±2.75V，TA = –40°C 至 +125°C | ±15 | ±40 | |||||
| 通道分离（双通道、四通道） | f = 直流 | 140 | dB | ||||
| f = 100kHz | 75 | ||||||
| 输入偏置电流 | |||||||
| IB | 输入偏置电流 | ±0.2 | ±1 | pA | |||
| TA = 0°C 至 85°C | 10 | ||||||
| TA = -40°C 至 +125°C | 100 | ||||||
| IOS | 输入失调电流 | ±0.2 | ±1 | pA | |||
| TA = 0°C 至 85°C | 10 | ||||||
| TA = -40°C 至 +125°C | 100 | ||||||
| 噪声 | |||||||
| 输入电压噪声 | f = 0.1Hz 至 10Hz | 3 | μVPP | ||||
| eN | 输入电压噪声密度 | f = 100Hz | 25 | nV/√Hz | |||
| f = 1kHz | 9.8 | ||||||
| f = 10kHz | 6.1 | ||||||
| iN | 输入电流噪声 | f = 10kHz | 0.125 | pA/√Hz | |||
| 输入电压 | |||||||
| VCM | 共模电压 | (V–) – 0.1 | (V+) + 0.1 | V | |||
| CMRR | 共模抑制比 | (V–) – 0.1V < VCM < (V+) + 0.1V | 106 | 120 | dB | ||
| TA = -40°C 至 +125°C | 96 | 110 | |||||
| 输入电容 | |||||||
| ZID | 差分 | 1 || 4 | TΩ || pF | ||||
| ZICM | 共模 | 1 || 2 | TΩ || pF | ||||
| 开环增益 | |||||||
| AOL | 开环电压增益 | (V–) + 100mV < VO < (V+) – 100mV | 108 | 132 | dB | ||
| TA = -40°C 至 +125°C | 96 | 130 | |||||
| (V–) + 200mV < VO < (V+) – 200mV， RL = 2kΩ |
106 | 123 | |||||
| TA = -40°C 至 +125°C | 90 | ||||||
| 频率响应 | |||||||
| GBW | 增益带宽积 | 增益 = 100 | 40 | MHz | |||
| SR | 压摆率 | 4V 阶跃，增益 = +1 | 30 | V/μs | |||
| tS | 稳定时间 | 到 0.1%，1V 阶跃，增益 = +1 | 0.1 | μs | |||
| 到 0.01%，1V 阶跃，增益 = +1 | 0.18 | ||||||
| 过载恢复时间 | VIN × 增益 > VS | 0.5 | μs | ||||
| THD+N | 总谐波失真 + 噪声 | VO = 1VRMS，增益 = +1，f = 1kHz | 0.0001 | % | |||
| 输出 | |||||||
| 距离两个电源轨的电压输出摆幅 | VS = 2.2V | 5 | mV | ||||
| RL = 2kΩ | 15 | ||||||
| VS = 5.5V | OPA328DBV、OPA2328D、DGK | 5 | |||||
| OPA2328DRG | 10 | ||||||
| RL = 2kΩ， OPA328DBV、OPA2328D/DGK |
15 | ||||||
| RL = 2kΩ， OPA2328DRG |
20 | ||||||
| ISC | 短路电流 | 灌电流，VS = 5.5V | -65 | mA | |||
| 拉电流，VS = 5.5V | 55 | ||||||
| CLOAD | 容性负载驱动 | 增益 = +1 | 28 | pF | |||
| RO | 开环输出阻抗 | f = 10kHz | 55 | Ω | |||
| 电源 | |||||||
| IQ | 每个放大器的静态电流 | IO = 0A | 3.8 | 4.5 | mA | ||
| IO = 0A，TA = –40°C 至 +125°C | 5.0 | ||||||
| 关断（OPA328SDBV 和 OPA4328RUM） | |||||||
| IQSD | 关断时静态电流 | 所有放大器均为禁用状态 | 30 | 50 | µA | ||
| ZOFF | 关断时的输出阻抗 | 所有放大器均为禁用状态 | 100 || 16 | GΩ || pF | |||
| VIH | 高电平输入电压 | 已启用放大器 | (V+) – 0.5 | V | |||
| VIL | 低电平输入电压 | 已禁用放大器 | (V–) + 0.5 | V | |||
| tON | 输出使能时间 | G = 1，VOUT = 0.9 × VS/2，所有放大器均为启用状态 | 10 | µs | |||
| tOFF | 输出禁用时间 | G = 1，VOUT = 0.1 × VS/2，所有放大器均为禁用状态 | 3 | µs | |||
| EN 引脚输入 漏电流 |
VIH = V+ | 0.02 | µA | ||||
| VIL = V– | 1 | ||||||