Product category: Analogue and Mixed Signal ICs
News Release from: Texas Instruments (April 2001-March 2006) | Subject: REF32xx
Edited by the Electronicstalk Editorial Team on 6 July 2005
Voltage reference cuts
size and consumption
New from Texas Instruments, the REF32xx is a 4ppm/C temperature drift, high accuracy, voltage reference family from the company's Burr-Brown product line
The micro-size SOT23-6 packaging and micro power consumption make this product family ideal for portable and battery-operated applications, medical and test equipment, as well as data acquisition systems. The REF32xx features high output current of +/-10mA and is stable with any capacitive load.
This article was originally published on Electronicstalk on 6 July 2005 at 8.00am (UK)
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To increase precision, the REF32xx uses force and sense pins that allow four-wire 'Kelvin' connection measurement to effectively eliminate the impact of contact and trace resistance.
Other features include low quiescent current of 100uA, with a maximum quiescent current over temperature of only 135uA.
Typically, the quiescent current changes less than 2uA over the entire supply range.
The REF32xx can be operated from as low as 1mV from the desired output level under the normal load conditions.
When shut down, the output goes to a high-impedance state and current is reduced to around 1uA.
All models in this product family are specified for the wide industrial temperature range of -40 to +125C and offer low temperature drift.
The REF32xx is available now in the micro-size SOT23-6 package from TI and its authorised distributors.
The device is priced from $1.70 in 1000-piece quantities (suggested resale pricing).
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