ADS7223是TI公司的一款精密ADC(<=10MSPS)产品，ADS7223是12 位 1MSPS 4x2/2x2 同步采样 SAR ADC，本页介绍了ADS7223的产品说明、应用、特性等，并给出了与ADS7223相关的TI元器件型号供参考。
ADS7223 - 12 位 1MSPS 4x2/2x2 同步采样 SAR ADC - 精密ADC(<=10MSPS) - 模数转换器 - TI公司（Texas Instruments，德州仪器）
The ADS8363 is a dual, 16-bit, 1MSPS analog-to-digital converter (ADC) with eight pseudo- or four fully-differential input channels grouped into two pairs for simultaneous signal acquisition. The analog inputs are maintained differentially to the input of the ADC. The input multiplexer can be used in either pseudo-differential mode, supporting up to four channels per ADC (4×2), or in fully-differential mode that allows to convert up to two inputs per ADC (2×2). The ADS7263 is a 14-bit version while the ADS7223 is a 12-bit version of the ADS8363.
The ADS8363/7263/7223 offer two programmable reference outputs, flexible supply voltage ranges, a programmable auto-sequencer, data storage of up to four conversion results per channel, and several power-down features.
All devices are offered in a 5×5mm QFN-32 package.
- Eight Pseudo- or Four Fully-Differential Inputs
- Simultaneous Sampling of Two Channels
- Excellent AC Performance:
- SNR: 93dB (ADS8363) 85dB (ADS7263) 73dB (ADS7223)
- THD: –98dB (ADS8363) –92dB (ADS7263) –86dB (ADS7223)
- Dual Programmable and Buffered 2.5V Reference Allows:
- Two Different Input Voltage Range Settings
- Two-Level PGA Implementation
- Programmable Auto-Sequencer
- Integrated Data Storage (up to 4 per channel) for Oversampling Applications
- 2-Bit Counter for Safety Applications
- Fully Specified over the Extended Industrial Temperature Range
- Motor Control: Current and Position Measurement including Safety Applications
- Power Quality Measurement
- Three-Phase Power Control
- Programmable Logic Controllers
- Industrial Automation
- Protection Relays
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