ADS5231 Dual-Channel, 12-Bit, 40-MSPS Analog-to-Digital Converter (ADC) | TI.com

ADS5231
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Dual-Channel, 12-Bit, 40-MSPS Analog-to-Digital Converter (ADC)

 

Description

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.

Features

  • 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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Parametrics

Compare all products in High-speed ADCs (>10MSPS) Email Download to Excel
Part number Order Sample rate (Max) (MSPS) Features Resolution (Bits) Number of input channels SNR (dB) ENOB (Bits) SFDR (dB) Power consumption (Typ) (mW) Input range (Vp-p) Interface Operating temperature range (C) Analog input BW (MHz) Input buffer Package Group Package size: mm2:W x L (PKG) Rating Architecture
ADS5231 Order now 40     Low Power     12     2     70.7     11.2     86     285     2     Parallel CMOS     -40 to 85     300     No     TQFP | 64     64TQFP: 144 mm2: 12 x 12 (TQFP | 64)     Catalog     Pipeline    
ADS5232 Samples not available 65     Low Power     12     2     70.7     11.3     86     335     2     Parallel CMOS     -40 to 85     300     No     TQFP | 64     64TQFP: 144 mm2: 12 x 12 (TQFP | 64)     Catalog     Pipeline    
ADS5237 Samples not available 65     Low Power     10     2     61.7     9.9     86     330     2     Parallel CMOS     -40 to 85     300     No     TQFP | 64     64TQFP: 144 mm2: 12 x 12 (TQFP | 64)     Catalog     Pipeline