ADS7861 - 双路 500kHz 12 位 2+2 通道同步采样模数转换器

ADS7861是TI德州仪器公司的一款精密ADC(<=10MSPS)产品，ADS7861是双路 500kHz 12 位 2+2 通道同步采样模数转换器，本站介绍了ADS7861的封装应用图解、特点和优点、功能等，并给出了与ADS7861相关的TI元器件型号供参考。

ADS7861 - 双路 500kHz 12 位 2+2 通道同步采样模数转换器 - 精密ADC(<=10MSPS) - 模数转换器 - 德州仪器

产品描述

The ADS7861 is a dual, 12-bit, 500kHz, Analog-to-Digital (A/D) converter with four fully differential input channels grouped into two pairs for high speed, simultaneous signal acquisition. Inputs to the sample-and-hold amplifiers are fully differential and are maintained differential to the input of the A/D converter. This provides excellent common-mode rejection of 80dB at 50kHz which is important in high noise environments.

The ADS7861 offers a high-speed, dual serial interface and control inputs to minimize software overhead. The output data for each channel is available as a 12-bit word. The ADS7861 is offered in both an SSOP-24 and a QFN-32 package and is fully specified over the -40°C to +125°C operating range.

产品特性

4 INPUT CHANNELS
FULLY DIFFERENTIAL INPUTS
2µs TOTAL THROUGHPUT PER CHANNEL
NO MISSING CODES
1MHz EFFECTIVE SAMPLING RATE
LOW POWER: 40mW
SSI SERIAL INTERFACE
OPERATING TEMPERATURE RANGE: 40°C to +125°C
APPLICATIONS
- MOTOR CONTROL
- MULTI-AXIS POSITIONING SYSTEMS
- 3-PHASE POWER CONTROL

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