Product category: Analogue and Mixed Signal ICs
News Release from: Texas Instruments (April 2001-March 2006) | Subject: ADS8401 and ADS8402
Edited by the Electronicstalk Editorial Team on 15 January 2003
Fastest claim for speedy SAR convertors
Texas Instruments reckons the ADS8401 and ADS8402 are the industry's fastest 16bit SAR A/D convertors
Using a proprietary, state-of-the-art architecture, the ADS8401 and ADS8402 feature an industry-record 1.25Msample/s, true 16bit no missing code performance and 155mW power dissipation. These high-speed, low-power devices target a wide range of advanced applications, including medical imaging, portable medical instrumentation, high-speed data acquisition, wired communications and optical networking.
This article was originally published on Electronicstalk on 15 January 2003 at 8.00am (UK)
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SAR convertors, in contrast to pipeline and delta-sigma architectures, feature no latency.
'There is absolutely no other ADC on the market that can offer such a range of performance attributes - 16bit no missing codes, 2LSB linearity, 0.25mV offset, 90dB signal-to-noise ratio and 155mW power dissipation - all at 1.25Msample/s', said Tony Chang, Strategic Marketing Engineer for TI's data acquisition products.
'By starting these devices at $11.95 in 1000s, the ADS8401 and ADS8402 give customers an excellent price/performance ratio for advanced systems requiring high speed and high resolution'.
The ADS8401 and ADS8402 offer designers a complete solution without the need for an external reference or reference buffer.
DC performance, especially offset and offset drift, is far superior to other high-speed ADCs currently available.
The ADS8401 offers a pseudodifferential, unipolar input range, while the ADS8402 uses unipolar differential inputs with a bipolar range, which are common to many high speed ADCs.
Both devices offer a full 16bit interface and an 8bit option when data are read using two 8bit cycles, if necessary.
The ADS8401 and ADS8402 come in 48-lead TQFP packages, and are available now from TI and its authorised distributors.
Suggested resale pricing starts at $11.95 in 1000-piece quantities.
Evaluation modules will be available in Q1 2003.
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