ADS8512 - 具有 IR 和串行接口的 12 位 40KSPS 低功耗采样 A/D 转换器

ADS8512是TI德州仪器公司的一款精密ADC(<=10MSPS)产品，ADS8512是具有 IR 和串行接口的 12 位 40KSPS 低功耗采样 A/D 转换器，本站介绍了ADS8512的封装应用图解、特点和优点、功能等，并给出了与ADS8512相关的TI元器件型号供参考。

ADS8512 - 具有 IR 和串行接口的 12 位 40KSPS 低功耗采样 A/D 转换器 - 精密ADC(<=10MSPS) - 模数转换器 - 德州仪器

产品描述

The ADS8512 is a complete low-power, single 5-V supply, 12-bit sampling analog-to-digital(A/D) converter. It contains a complete 12-bit capacitor-based, successive approximation register (SAR) A/D converter with sample-and-hold (S/H), clock, reference, and serial data interface. The converter can be configured for a variety of input ranges including ±10 V, ±5 V, 0 V to 10 V, and 0.5 V to 4.5 V. A high-impedance, 0.3-V to 2.8-V input is also available with input impedance greater than 10 MΩ. For most input ranges, the input voltage can swing to 25 V or -25 V without damage to the converter.

An SPI-compatible serial interface allows data to be synchronized to an internal or external clock. The ADS8512 is specified at 40-kHz sampling rate over the -40°C to +85°C industrial temperature range.

产品特性

40-kHz Minimum SamplingRate
Very Low Power: 25 mW
±3.33-V, ±5-V, ±10-V, 4-V, and 10-V Input Ranges
73.9-dB SINAD with 10-kHz Input
±0.5 LSB Max INL
±0.5 LSB Max DNL, 12-Bit NMC
±5-mV BPZ, ±2 ppm/°C BPZ Drift
72-dB Min SINAD, 80-dB Min SFDR
Uses Internal or External 2.5-V Reference
No External Calibration Resistors Required
Single 5-V Analog Supply:
- 32.5-mW Max Power Dissipation
- 50-µW Max Power-Down Mode
SPI-Compatible Serial Port up to 20MHz, with Master/Slave Feature
Global CONV and 3-Stated Bus for Multi-Chip Simultaneous S/H Operation
Pin-Compatible with ADS7812 and 16-Bit ADS7813/8513
SO-16 Package
APPLICATIONS
- Industrial Process Control
- Test Equipment
- Robotics
- DSP Servo Control
- Medical Instrumentation
- Portable Data Acquisition Systems

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