Texas Instruments 德州仪器 ADS7853/ADS7253 双路 SAR 模数转换器(ADC)
德州仪器 ADS7853/ADS7253 双路 SAR 模数转换器(ADC)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。所有器件都可在宽幅工业温度范围（-40°C 至 + 125°C）内额定运行，并且采用引脚兼容的 WQFN-16 (3mm ×3mm) 和 TSSOP-16 封装。
特性
- 16-, 14-, and 12-bit, pin-compatible family
- Simultaneous sampling of two channels
- Supports single-ended and pseudo-differential inputs
- High-Speed
- ADS8353 - 16 Bits, 600kSPS
- ADS7853 - 14 Bits, 1MSPS
- ADS7253 - 12 Bits, 1MSPS
- Excellent DC performance
- ADS8353 - 16-Bit NMC DNL, ±2.5LSB Max INL
- ADS7853 - 14-Bit NMC DNL, ±2LSB Max INL
- ADS7253 - 12-Bit NMC DNL, ±1LSB Max INL
- Excellent AC performance
- ADS8353 - 89dB SNR, -95dB THD
- ADS7853 - 82dB SNR, -90dB THD
- ADS7253 - 72dB SNR, -90dB THD
- Dual, Programmable, and Buffered
- 2.5V Internal Reference
- -40°C to 125°C Fully-Specified Over the Extended Industrial Temperature Range
- Small Footprint
- WQFN-16 (3mm×3mm) and TSSOP-16
应用
- Motor Control
- Position Measurement Using Encoders
- Optical Networking
- EDFA Gain Control Loops
- Protection Relays
- Power Quality Measurement
- Three-Phase Power Controls
- Programmable Logic Controllers
Datasheets
Functional Block Diagram
发布日期: 2014-09-16
| 更新日期: 2025-08-01