ZHCSSC8 December 2023 ADS1114L , ADS1115L
PRODUCTION DATA
参数 | 测试条件 | 最小值 | 典型值 | 最大值 | 单位 | ||
---|---|---|---|---|---|---|---|
模拟输入 | |||||||
共模输入阻抗 | FSR = ±6.144V(1) | 10 | MΩ | ||||
FSR = ±4.096V(1),FSR = ±2.048V | 6 | ||||||
FSR = ±1.024V | 3 | ||||||
FSR = ±0.512V,FSR = ±0.256V | 100 | ||||||
差分输入阻抗 | FSR = ±6.144V(1) | 22 | MΩ | ||||
FSR = ±4.096V(1) | 15 | ||||||
FSR = ±2.048V | 4.9 | ||||||
FSR = ±1.024V | 2.4 | ||||||
FSR = ±0.512V,FSR = ±0.256V | 710 | kΩ | |||||
系统性能 | |||||||
分辨率(无代码丢失) | 16 | 位 | |||||
DR | 数据速率 | 8、16、32、64、128、250、475、860 | SPS | ||||
数据速率变化 | 全部数据速率 | -10% | 10% | ||||
INL | 积分非线性(最佳拟合) | DR = 8SPS,FSR = ±2.048V | 1 | LSB | |||
偏移误差(以输入为基准) | FSR = ±2.048V,差分输入 | –3 | ±1 | 3 | LSB | ||
FSR = ±2.048V,单端输入 | ±3 | ||||||
偏移漂移 | FSR = ±2.048V | 0.005 | LSB/°C | ||||
失调电压误差匹配 | 在任意两个输入之间 | 3 | LSB | ||||
增益误差(2) | TA = 25°C,FSR = ±2.048V | -0.15% | ±0.01% | 0.15% | |||
增益漂移(2) | FSR = ±0.256V | 7 | ppm/°C | ||||
FSR = ±2.048V | 5 | 40 | |||||
FSR = ±6.144V | 5 | ||||||
增益误差匹配 | 在任意两个增益设置之间 | –0.1% | ±0.02% | 0.1% | |||
在任意两个输入之间 | –0.1% | ±0.05% | 0.1% | ||||
CMRR | 共模抑制比 | 直流,FSR = ±0.256V | 105 | dB | |||
直流,FSR = ±2.048V | 100 | ||||||
fCM = 50Hz 或 60Hz,DR = 8SPS | 105 | ||||||
数字输入/输出 | |||||||
VIL | 逻辑输入电平,低 | GND | 0.25 | V | |||
VIH | 逻辑输入电平,高 | 1 | 3.6 | V | |||
VOL | 逻辑输出电平,低 | IOL = 3mA | GND | 0.3 | V | ||
IOL | 低电平输出电流 | VOL = 0.6V | 6 | mA | |||
输入电流 | GND ≤ VDigital Input ≤ VDD | -10 | 10 | µA | |||
Ci | 电容 | 每个引脚 | 10 | pF | |||
驱动电流和功率耗散 | |||||||
IVDD | 电源电流 | 断电 | 1.2 | 5 | µA | ||
工作 | 150 | 300 | |||||
PD | 功率耗散 | VDD = 3.3V | 0.5 | mW | |||
VDD = 2.0V | 0.3 |