Analog-to-Digital Converters enable temperature measurement.
May 15, 2009 -
With data rate of 2 kSPS and 2.56 mW power dissipation, 24-bit Models ADS1248 and ADS1247 integrate dual matched current DACs, low drift internal reference, oscillator, temperature sensor, burnout detection, and 8 general purpose I/Os. Model ADS1248 features 4 differential/7 single-ended inputs, while Model ADS1247 provides 2 differential/3 single-ended inputs. Housed in TSSOP-20 package, converters include 50/60 Hz simultaneous rejection mode and operate from -40 to +125°C.
(Archive News Story - Products mentioned in this Archive News Story may or may not be available from the manufacturer.)
|Original Press release |
Texas Instruments, Inc. (TI)
12500 TI Blvd.
Dallas, TX, 75243-4136
Texas Instruments Introduces Complete 24-bit Temperature Measurement ADCs with Best-In-Class Power Consumption and Integration
DALLAS, April 30 /-- Texas Instruments Incorporated (TI) (NYSE:TXN) today announced a family of 24-bit, low-noise temperature measurement analog-to-digital converters (ADCs) featuring industry leading power consumption and integration. The ADS1248 and ADS1247 integrate dual matched current digital-to-analog converters (DACs), low drift internal reference, oscillator, temperature sensor, burnout detection and eight general purpose I/Os. With a data rate of 2 kSPS and only 2.56 mW of power dissipation, the ADCs provide an easy-to-use, low-power front-end solution for temperature measurement (RTDs, thermocouples, thermistors), flow/pressure measurement and industrial process control. For more product information, see: www.ti.com/ads1248-pr.
-- 24-bit resolution, 2 kSPS data rate, 2.56 mW power dissipation
-- 4 differential / 7 single-ended inputs (ADS1248); 2 differential / 3 single-ended inputs (ADS1247)
-- 50/60 Hz simultaneous rejection mode
-- Low-noise programmable gain amplifier (40 nV at G=128)
-- Complete precision temperature measurement ADC solution reduces device count and simplifies design without compromising performance
-- Flexible front end for wide range of industrial sensors that require high resolution and low noise
-- Excellent measurement repeatability over the -40 to +125C operating temperature range
-- Compatible devices complete the signal chain, including OPA277 and OPA333 precision operational amplifiers and REF5025 precision voltage reference
Availability and pricing
The ADS1248 and ADS1247 are available now in a TSSOP-20 package. The ADS1248 is priced at $4.95 and the ADS1247 is priced at $4.45. All pricing is in quantities of 1,000 units. For applications requiring a smaller package and lower cost, the single-channel ADS1246 provides a reduced feature set in a TSSOP-16 package for only $3.45.
Find out more about TI's delta-sigma data converters at the links below:
-- Samples and evaluation modules: www.ti.com/ads1248-pr
-- TI's data converter portfolio and selection guide: www.ti.com/dataconverters-pr
About Texas Instruments
Texas Instruments (NYSE:TXN) helps customers solve problems and develop new electronics that make the world smarter, healthier, safer, greener and more fun. A global semiconductor company, TI innovates through manufacturing, design and sales operations in more than 25 countries. For more information, go to www.ti.com
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Web Site: http://www.ti.com/