ZHCSU89 March 2024 PGA849
ADVANCE INFORMATION
参数 | 测试条件 | 最小值 | 典型值 | 最大值 | 单位 | ||
---|---|---|---|---|---|---|---|
输入 | |||||||
VOS | 失调电压(以输入为基准) | G = 1 至 16 | ±50 | ±350 | µV | ||
G < 1 | ±50/G | ±350/G | |||||
失调电压漂移(以输入为基准) | G = 1 至 16,TA = –40°C 至 +125°C | ±0.2 | ±1.0 | µV/°C | |||
G < 1,TA = –40°C 至 +125°C | ±0.2/G | ±1.0/G | |||||
PSRR | 电源抑制比 | ±4V ≤ VS ≤ ±18V,RTI | G = 0.125 | 95 | 110 | dB | |
G = 0.25 | 98 | 114 | dB | ||||
G = 0.5 | 100 | 118 | |||||
G = 1 | 120 | 134 | |||||
G = 2 | 120 | 126 | |||||
G = 4 | 120 | 132 | |||||
G = 8 | 120 | 136 | |||||
G = 16 | 120 | 140 | |||||
zid | 差分输入阻抗 | 1 || 1 | GΩ || pF | ||||
zic | 共模输入阻抗 | 1 || 7 | GΩ || pF | ||||
VICM | 共模输入电压 | VS = ±4V 至 ±18V | (VS–) + 2.5 | (VS+) – 2 | V | ||
VS = ±4V 至 ±18V,TA = –40°C 至 +125°C | (VS–) + 3 | (VS+) – 2.5 | |||||
CMRR | 共模抑制比 | 直流至 60Hz, VICM = ±10V, TA = –40°C 至 +125°C, RTI |
G = 0.125 | 64 | 82 | dB | |
G = 0.25 | 70 | 88 | |||||
G = 0.5 | 76 | 94 | |||||
G = 1 | 82 | 100 | |||||
G = 2 | 88 | 106 | |||||
G = 4 | 94 | 112 | |||||
G = 8 | 100 | 118 | |||||
G = 16 | 106 | 124 | |||||
偏置电流 | |||||||
IB | 输入偏置电流 | 0.5 | 1.8 | nA | |||
TA = -40°C 至 +125°C | 1 | ||||||
输入偏置电流漂移 | TA = -40°C 至 +125°C | 10 | pA/°C | ||||
IOS | 输入失调电流 | 0.5 | 1 | nA | |||
TA = -40°C 至 +125°C | 1 | ||||||
输入失调电流漂移 | TA = -40°C 至 +125°C | 10 | pA/°C | ||||
噪声电压 | |||||||
eNI | 以输入为基准的电压噪声密度 | f = 1kHz | G = 16 | 7.8 | nV/√Hz | ||
G = 8 | 8.0 | ||||||
G = 4 | 8.6 | ||||||
G = 2 | 12.6 | ||||||
G = 1 | 21.6 | ||||||
G = 0.5 | 42 | ||||||
G = 0.25 | 84 | ||||||
G = 0.125 | 168 | ||||||
输入基准电压噪声 | fB = 0.1Hz 至 10Hz | G = 16 | 0.26 | µVPP | |||
G = 8 | 0.27 | ||||||
G = 4 | 0.29 | ||||||
G = 2 | 0.44 | ||||||
G = 1 | 0.8 | ||||||
G = 0.5 | 1.6 | ||||||
G = 0.25 | 3.2 | ||||||
G = 0.125 | 6.4 | ||||||
iN | 输入电流噪声密度 | f = 1kHz | 0.3 | pA/√Hz | |||
输入电流噪声 | fB = 0.1Hz 至 10Hz | 13 | pAPP | ||||
增益 | |||||||
增益范围 | 0.125 | 16 | V/V | ||||
GE | 增益误差 | G = 0.125、0.25、0.5、2、4、8 | ±0.02 | ±0.05 | % | ||
G = 1 | ±0.02 | ±0.03 | % | ||||
G = 16 | ±0.02 | ±0.07 | % | ||||
增益漂移 | G = 0.125 至 16,TA = –40°C 至 +125°C | ±1 | ±2 | ppm/°C | |||
增益非线性 | G = 0.125 至 16,VOUT > ±5V | 2 | 5 | ppm | |||
输出 | |||||||
VOUT | 输出电压 | 无负载 | VSOUT = ±2.25V | VLVSS + 0.1 | VLVDD – 0.1 | V | |
RL = 10kΩ | VSOUT = ±2.25V | VLVSS + 0.2 | VLVDD – 0.2 | ||||
VSOUT = ±18V | VLVSS + 0.4 | VLVDD – 0.4 | |||||
CL | 负载电容 | 使用容性负载稳定运行 | 100 | pF | |||
ISC | 短路电流 | 持续达 VSOUT/2 | ±45 | mA | |||
TA = -40°C 至 +125°C | ±20 | ±60 | |||||
频率响应 | |||||||
BW | 带宽,–3dB | G = 0.125 至 16 | 10 | MHz | |||
SR | 压摆率 | G ≥ 1,VOUT > 5V | 35 | V/µs | |||
G < 1,VOUT > 5V | 12 | V/µs | |||||
tS | 稳定时间 | G = 0.125 至 16 VINDIFF = 10V 阶跃或 VOUT = 10V 阶跃 |
达 0.01% | 0.7 | µs | ||
达 0.0015% | 0.95 | ||||||
增益开关时间 | 2 | µs | |||||
THD+N | 总谐波失真和噪声 | 差分输入,f = 10kHz,VOUT = 10VPP | -110 | dB | |||
单端输入,f = 10kHz,VOUT = 10VPP | -105 | ||||||
HD2 | 二阶谐波失真 | 差分输入,f = 10kHz,VOUT = 10VPP | -120 | ||||
单端输入,f = 10kHz,VOUT = 10VPP | -110 | ||||||
HD3 | 三阶谐波失真 | 差分输入,f = 10kHz,VOUT = 10VPP | -120 | ||||
单端输入,f = 10kHz,VOUT = 10VPP | -110 | ||||||
基准输入 | |||||||
RIN | 基准输入阻抗 | 10 | kΩ | ||||
基准输入电流 | VIN = 0V | 140 | µA | ||||
基准输入电压 | VLVSS | VLVDD | V | ||||
以输出为基准的增益 | 1 | V/V | |||||
基准增益误差 | VOUT = ±10V,在电压摆幅范围内 | 0.01 | 0.05 | % | |||
输出级电源 | |||||||
IQ_input | 输入级静态电流 VS+、VS– |
VIN = 0V | 3 | mA | |||
TA = -40°C 至 +125°C | 4.2 | ||||||
输出级电源 | |||||||
IQ_output | 输出级静态电流 LVDD、LVSS |
VIN = 0V,VREF = 0V | 1.3 | mA | |||
TA = -40°C 至 125°C | 1.5 | 1.9 | |||||
数字逻辑 | |||||||
VIL | 数字输入逻辑低电平 | A0、A1、A2 引脚,以 DGND 为基准 | VDGND | VDGND + 0.8 | V | ||
VIH | 数字输入逻辑高电平 | A0、A1、A2 引脚,以 DGND 为基准 | VDGND + 1.8 | VS+ | V | ||
数字输入引脚电流 | A0、A1、A2 引脚 | 1.5 | 3 | µA | |||
VDGND | DGND 电压 | VS– | (VS+) – 4 | V | |||
DGND 基准电流 | 4 | 10 | µA |