The REF32xx features high output current of +/-10mA and is stable with any capacitive load. To increase precision, the REF32xx uses force and sense pins that allow 4-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 ~1uA.
All models in this product family are specified for the wide industrial temperature range of -40C to 125C and offer low temperature drift.
The REF32xx is available now in the micro-size SOT23-6 package from TI and its authorized distributors. The device is priced from $1.70 in 1,000 piece quantities (suggested resale pricing).
For additional information on TI's complete portfolio of voltage references, download the latest Amplifier Selection Guide at http://amplifier.ti.com .
TI offers analog engineers a wide-ranging support infrastructure that includes training and seminars, design tools and utilities, technical documentation, evaluation modules, an online KnowledgeBase, a product information hotline and a comprehensive offering of samples that ship within 24 hours of request. For more information on TI's complete analog design support, and to download the latest Amplifier Selection Guide, visit http://www.ti.com/analog .
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