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Texas Instruments Introduces 24-Bit Analog-to-Digital Converter for High-Resolution Measurement Applications
Device offers unmatched price/performance ratio for precision, low-power data conversion
TUCSON, Ariz. (Jan. 25, 2001) -- Texas Instruments (TI) Incorporated (NYSE: TXN) today announced a highly cost-effective analog-to-digital converter (ADC) from the company's Burr-Brown product line, which uses delta-sigma architecture to guarantee 24 bits of no missing code (NMC) performance. Designed for high-performance and low-power, the data converter can operate from 2.7V to 5.25V, allowing for power consumption as low as 570 micro-watts. See http://www.ti.com/sc/aap5573u.
The ADS1240 provides an unmatched price/performance solution for high-resolution measurement applications such as industrial process control, portable instrumentation, liquid/gas chromatography, blood analysis, weight scales, smart transmitters, and pressure transducers.
"Priced at $3.60 in 1,000 piece quantities, the ADS1240 offers a tremendous value which affords use in a wide variety of high-resolution applications -- from low end to high end, from low volume to high volume," said Robert Schreiber, strategic marketing engineer of Burr-Brown Data Converter products from TI. "This device will allow designers to use a single component for all of their data conversion systems, thereby reducing design time and manufacturing costs, and eliminating system compatibility issues."
The ADS1240 consists of a 24-bit delta-sigma ADC, four-channel multiplexer, burn-out current sources, programmable gain amplifier (PGA), input buffer, offset DAC, selectable data output rate, single conversion cycle settling filter, external differential voltage reference, four programmable digital I/O, on-chip calibration, and a standard SPI serial interface. The device's PGA provides for gains of up to 128. Linearity error is guaranteed to be less than +/-0.0015% of FS. For applications requiring additional input channels, an eight-channel version, the ADS1241, is also available.
Available Today
The ADS1240 is available now and is packaged in an SSOP-24. It is priced from $3.60 in 1,000 piece quantities. Additionally, the ADS1241 is packaged in an SSOP-28 and priced from $3.95 in 1,000 piece quantities.
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