ADS7142 可在优化系统功耗、可靠性和性能的过程中自主监测信号。它可使用带有可编程高低阈值、磁滞和事件计数器的数字窗口比较器根据通道实施由事件引发的中断。该器件在逐次逼近型寄存器模数转换器 (SAR ADC) 前方包含一个双通道模拟多路复用器,后跟一个用于转换和捕获传感器数据的内部数据缓冲器。
ADS7142 采用 10 引脚 QFN 封装,功耗仅为 900 nW。该器件体积小巧,功耗低,非常适合空间受限型和/或电池供电类 应用。
| Resolution (Bits) | 12 |
| Sample rate (max) (ksps) | 140, 950 |
| Number of input channels | 2 |
| Interface type | I2C |
| Architecture | SAR |
| Input type | Pseudo-Differential, Single-ended |
| Multichannel configuration | Multiplexed |
| Rating | Catalog |
| Reference mode | Supply |
| Input voltage range (max) (V) | 3.6 |
| Input voltage range (min) (V) | 0 |
| Features | Comparator, Oscillator, Small Size |
| Operating temperature range (°C) | -40 to 125 |
| Power consumption (typ) (mW) | 0.0009 |
| Analog supply (min) (V) | 1.65 |
| Analog supply voltage (max) (V) | 3.6 |
| SNR (dB) | 71.5 |
| Digital supply (min) (V) | 1.65 |
| Digital supply (max) (V) | 3.6 |
| X2QFN (RUG) | 10 | 3 mm² 1.5 x 2 |