Product category: Analogue and Mixed Signal ICs
News Release from: Texas Instruments (April 2001-March 2006) | Subject: ADS1112
Edited by the Electronicstalk Editorial Team on 25 July 2003
Flexible ADC aims
for portable low-power systems
The ADS1112 is a multichannel, 16bit delta-sigma analogue-to-digital convertor in compact MSOP and leadless QFN packages
This easy-to-use data acquisition system, is designed for high-resolution measurement applications where space and power consumption are critical considerations, such as portable instrumentation, industrial process control, consumer goods, portable medical equipment and smart transmitters. 'The ADS1112 provides customers with a complete solution by integrating a low-noise, 16bit delta-sigma ADC with an input multiplexer, onboard voltage reference, programmable gain amplifier and oscillator.
This article was originally published on Electronicstalk on 25 July 2003 at 8.00am (UK)
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In addition, TI offers this flexible, micropower device in the tiny MSOP and leadless QFN packages for space-constrained systems', said Rich Wegner, Strategic Marketing Manager for TI's oversampling data convertor products.
The ADS1112 is a self-calibrating ADC with two differential or three single-ended channels and can be configured to provide 12 to 16bit resolution.
Conversions are performed using an onboard 2.048V reference (0.05% accuracy, 5ppm/C drift) with programmable data rates of 15, 30, 60 or 240 samples per second.
An onboard programmable gain amplifier (gains up to 8) allows low-level signals to be measured with high accuracy.
The ADS1112 features low current consumption (240uA) and can be programmed to automatically power down after a conversion to reduce consumption.
The device uses an I2CT interface and operates from a single 2.7 to 5.5V power supply.
The ADS1112 is priced from $2.49 in 1000-piece quantities (suggested resale pricing).
The MSOP-10 package version is available now from TI and its authorised distributors.
The leadless QFN package will be available in 3Q03.
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