Datasheet ZXRE125 (Diodes)

A Product Line of
Diodes Incorporated
ZXRE125 SOT23 MICROPOWER 1.22V VOLTAGE REFERENCE Description Pin Assignments
The ZXRE125 is a bandgap circuit designed to achieve a precision micropower voltage reference of 1.22 volts. The device is available in the small outline SOT23 surface mount package which is ideal for applications where space saving is important. SOT23 tolerance is available to 0.5% for precision applications. Excellent performance is maintained over the 8µA to 20mA operating current range with a typical temperature coefficient of only 20ppm/°C. The device has been designed to be highly tolerant of capacitive loads so maintaining excellent stability.
(Top View) Pin 1 floating or connected to pin 2
This device offers a SOT23 pin for pin compatible replacement of the ZRA124 and ZRA125 series of voltage references.
Features
• High performance 1.220V reference • Small outline SOT23 • 4μA knee current • 20ppm/°C typical temperature coefficient OBSOL ETE • Unconditionally stable • 0.5%, 1%, 2%, and 3% tolerance
(Bottom View)
• Green molding compound (No Br, Sb)
Pin 3 floating or connected to pin 1 Applications Schematic Diagram
• Battery powered equipment • Precision power supplies • Portable instrumentation • Portable communication devices • Data acquisition systems
Application Circuit
ZXRE125 1 of 5 June 2010 Document number: DS32170 Rev. 8 - 2
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