TI Provides Four True Bipolar Input Channels in New Data Converter

6/20/2003 - Texas Instruments (TI) Incorporated (NYSE: TXN) announced a 16-bit, 250kSPS successive approximation (SAR) analog-to-digital converter (ADC) featuring four true bipolar input channels with a +/-2.5V input range. This data converter from the company´s Burr-Brown product line is ideal for data acquisition, test and measurement, industrial process control, medical instruments and laboratory equipment.

"The ADS8342 is the next generation of TI's successful bipolar input ADC family with added benefits such as the lowest offset voltage, no missing codes performance, improved DC specifications and the best price/performance ratio versus competition," said Miroslav Oljaca, strategic marketing manager for TI's motor control converter products.

The ADS8342 consists of a four-channel input multiplexer, a capacitor-based SAR ADC with inherent sample-and-hold, an interface for microprocessor use, and parallel 3-state output drivers.

The SAR architecture and CMOS process allow the ADS8342 to acquire and convert an analog signal at up to 250,000 conversions per second, while consuming less than 200mW of power. The device also features 16-bit no missing codes, +/-1mV offset voltage, +/-2LSB typical integral nonlinearity (INL) and a selectable 8-bit or 16-bit parallel interface.

Available Today
The ADS8342 is packaged in a TQFP-48, and is available now from TI and its authorized distributors. Suggested resale pricing is $10.75 in 1,000 piece quantities.

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