ADS8353、ADS7853 和 ADS7253 均属于引脚兼容的双路高速同步采样模数转换器 (ADC) 产品系列,支持单端和伪差分模拟输入。
每个器件均包含两个可独立编程的基准电压源,可用于系统级的增益校准。 并且配有一个可在宽电源供电范围内运行的灵活串行接口,从而轻松实现与多种主机控制器的通信。 该系列器件支持两种低功耗模式,可针对给定输出优化功耗。 所有器件都在扩展工业温度范围(-40°C 至 + 125°C)内完全额定运行,并且采用引脚兼容的 WQFN-16 (3mm ×
3mm) 和 TSSOP-16 封装。
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| Resolution (Bits) | 12 |
| Sample rate (max) (ksps) | 1000 |
| Number of input channels | 2 |
| Interface type | SPI |
| Architecture | SAR |
| Input type | Pseudo-Differential, Single-ended |
| Multichannel configuration | Simultaneous Sampling |
| Rating | Catalog |
| Reference mode | External, Internal |
| Input voltage range (max) (V) | 5.5 |
| Input voltage range (min) (V) | 0 |
| Features | Small Size |
| Operating temperature range (°C) | -40 to 125 |
| Power consumption (typ) (mW) | 45 |
| Analog supply (min) (V) | 4.5 |
| Analog supply voltage (max) (V) | 5.5 |
| SNR (dB) | 73.5 |
| Digital supply (min) (V) | 1.65 |
| Digital supply (max) (V) | 5.5 |
| TSSOP (PW) | 16 | 32 mm² 5 x 6.4 |
| WQFN (RTE) | 16 | 9 mm² 3 x 3 |