ADS5231 - 双路低功耗 12 位 40MSPS ADC

ADS5231是TI德州仪器公司的一款高速ADC(>10MSPS)产品，ADS5231是双路低功耗 12 位 40MSPS ADC，本站介绍了ADS5231的封装应用图解、特点和优点、功能等，并给出了与ADS5231相关的TI元器件型号供参考。

ADS5231 - 双路低功耗 12 位 40MSPS ADC - 高速ADC(>10MSPS) - 模数转换器 - 德州仪器

产品描述

The ADS5231 is a dual, high-speed, high dynamic range, 12-bit pipelined analog-to-digital converter (ADC). This converter includes a high-bandwidth sample-and-hold amplifier that gives excellent spurious performance up to and beyond the Nyquist rate. The differential nature of the sample-and-hold amplifier and ADC circuitry minimizes even-order harmonics and gives excellent common-mode noise immunity.

The ADS5231 provides for setting the full-scale range of the converter without any external reference circuitry. The internal reference can be disabled, allowing low-drive, external references to be used for improved tracking in multichannel systems.

The ADS5231 provides an over-range indicator flag to indicate an input signal that exceeds the full-scale input range of the converter. This flag can be used to reduce the gain of front-end gain control circuitry. There is also an output enable pin to allow for multiplexing and testing on a printed circuit board (PCB).

The ADS5231 employs digital error correction techniques to provide excellent differential linearity for demanding imaging applications. The ADS5231 is available in a TQFP-64 package.

产品特性

Single +3.3V Supply
High SNR: 70.7dBFS at fIN = 5MHz
Total Power Dissipation: Internal Reference: 321mW External Reference: 285mW
Internal or External Reference
Low DNL: ±0.3LSB
Flexible Input Range: 1.5VPP to 2VPP
TQFP-64 Package
APPLICATIONS
- Communications IF Processing
- Communications Base Stations
- Test Equipment
- Medical Imaging
- Video Digitizing
- CCD Digitizing

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