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SG1503Y883B
SG1503/SG2503/SG3503 Precision 2.5-Volt Reference Description The SG1503 is a monolithic integrated circuit implementing a self-contained precision voltage reference generator. It is internally trimmed for ±1% accuracy and requires less than 2mA quiescent current. SG1503 can deliver greater than 10mA output current while achieving total load and line induced tolerances of less than 0.5%. In addition to voltage accuracy, internal trimming achieves a temperature coefficient of output voltage of typically 10 ppm/°C. As a result, these references are excellent choices for applications in critical instrumentation and D-to-A converter systems. The SG1503 is specified for operation over the full military ambient temperature range of -55°C to 125°C, while the SG2503 is designed for -25°C to 85°C and the SG3503 for commercial applications of 0°C to 70°C. Features Output Voltage Trimmed to ±1% Input Voltage Range of 4.5V to 40V Temperature Coefficient of 10ppm/°C Quiescent Current Typically 1.5mA Output Current in excess of 10mA Interchangeable with MC1503 and AD580 Application Available to MIL-STD-883, ¶ 1.2.1 Available to DSCC Standard Microcircuit Drawing (SMD) ® Microsemi Level “S” Processing Available Functional Diagram VIN I1 = I2 VO 1.25V GND Figure 1 · Functional Block Diagram December 2014 Rev. 1.3a www.microsemi.com © 2014 Microsemi Corporation 1
TI
Texas Instruments Incorporated
U.S.A
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