ZHCSAC7H November 2001 – November 2016 OPA2348 , OPA348 , OPA4348
PRODUCTION DATA.
| 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 = 5V，VCM = (V–) + 0.8V | 1 | 5 | mV | ||||
| VS = 5V，VCM = (V–) + 0.8V，
，TA = –40°C 至 125°C |
6 | ||||||||
| dVOS/dT | 输入失调电压漂移 | TA = –40°C 至 125°C | 4 | µV/°C | |||||
| PSRR | 输入失调电压与电源间的关系 | VS = 2.5V 至 5.5V，VCM < (V+) – 1.7V | 60 | 175 | µV/V | ||||
| TA = –40°C 至 125°C，VS = 2.5V 至 5.5V，
VCM < (V+) – 1.7V |
300 | ||||||||
| 通道分离 | 直流时 | 0.2 | µV/V | ||||||
| f = 1 kHz 时 | 134 | dB | |||||||
| 输入电压范围 | |||||||||
| VCM | 共模电压范围 | (V-)-0.2 | (V+)+0.2 | V | |||||
| CMRR | 共模抑制比 | (V–) – 0.2V < VCM < (V+) – 1.7V | 70 | 82 | dB | ||||
| (V–) < VCM < (V+) – 1.7V，
TA = –40°C 至 125°C |
66 | ||||||||
| VS = 5.5V，(V–) – 0.2V < VCM < (V+) + 0.2V | 60 | 71 | |||||||
| VS = 5.5V，(V–) < VCM < (V+)，
，TA = –40°C 至 125°C |
56 | ||||||||
| 输入偏置电流 | |||||||||
| IB | 输入偏置电流 | ±0.5 | ±10 | pA | |||||
| IOS | 输入失调电流 | ±0.5 | ±10 | pA | |||||
| 输入阻抗 | |||||||||
| 差分 | 1013 || 3 | Ω || pF | |||||||
| 共模 | 1013 || 6 | Ω || pF | |||||||
| 噪声 | |||||||||
| 输入电压噪声 | VCM < (V+) – 1.7V，f = 0.1Hz 至 10Hz | 10 | µVPP | ||||||
| en | 输入电压噪声密度 | VCM < (V+) – 1.7V，f = 1kHz | 35 | nV/Hz | |||||
| in | 输入电流噪声密度 | VCM < (V+) – 1.7V，f = 1kHz | 4 | fA/Hz | |||||
| 开环增益 | |||||||||
| AOL | 开环电压增益 | VS=5V，RL=100kΩ，
0.025V<VO<4.975V |
94 | 108 | dB | ||||
| VS = 5V，RL = 100kΩ，
0.025V < VO < 4.975V， ，TA = –40°C 至 125°C |
90 | ||||||||
| VS = 5V，RL = 5kΩ，
0.125V < VO < 4.875V |
90 | 98 | |||||||
| VS = 5V，RL = 5kΩ，0.125V < VO < 4.875V，
TA = –40°C 至 125°C |
88 | ||||||||
| 输出 | |||||||||
| 相对于电源轨的电压输出摆幅 | RL = 100kΩ，AOL > 94dB | 18 | 25 | mV | |||||
| RL = 100kΩ，AOL > 90dB，
TA = –40°C 至 125°C |
25 | ||||||||
| RL = 5kΩ，AOL > 90dB | 100 | 125 | |||||||
| RL = 5kΩ，AOL > 88dB，
TA = –40°C 至 125°C |
125 | ||||||||
| ISC | 短路电流 | ±10 | mA | ||||||
| CLOAD | 容性负载驱动 | 请参阅典型特性 | |||||||
| 频率响应 | |||||||||
| GBP | 增益带宽积 | CL = 100pF | 1 | MHz | |||||
| SR | 压摆率 | CL = 100pF，G = +1 | 0.5 | V/µs | |||||
| tS | 建立时间，0.1% | CL = 100pF，VS = 5.5V，2V 阶跃，G = +1 | 5 | µs | |||||
| 建立时间，0.01% | CL = 100pF，VS = 5.5V，2V 阶跃，G = +1 | 7 | |||||||
| 过载恢复时间 | CL = 100pF，VIN × 增益 > VS | 1.6 | µs | ||||||
| THD+N | 总谐波失真 + 噪声 | CL = 100pF，VS = 5.5V，VO = 3VPP，
G = +1，f = 1kHz |
0.0023% | ||||||
| 电源 | |||||||||
| VS | 额定电压 | 2.5 | 5.5 | V | |||||
| 工作电压 | 2.1 | 5.5 | V | ||||||
| IQ | 静态电流（每个放大器） | IO=0mA | 45 | 65 | µA | ||||
| IO = 0mA，TA = –40°C 至 125°C | 75 | ||||||||