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| SG1503/SG2503/SG3503 PRECISION 2.5-VOLT REFERENCE DESCRIPTION This monolithic integrated circuit is a fully self-contained precision voltage reference generator, internally trimmed for 1% accuracy. Requiring less than 2mA in quiescent current, this device can deliver in excess of 10mA with total load- and line-induced tolerances of less than 0.5%. In additon 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 application to critical instrumentation and D-to-A converter systems. The SG1503 is specified for operation over the full military ambient temperature range of -55C to 125C , while the SG2503 is designed for -25C to 85C and the SG3503 for commercial applications of 0C to 70C. FEATURES * * * * * * Output voltage trimmed to 1% Input voltage range of 4.5 to 40V Temperature coefficent of 10ppm/C Quiescent current typically 1.5mA Output current in excess of 10mA Interchangeable with MC1503 and AD580 HIGH RELIABILITY FEATURES - SG1503 Available to MIL-STD-883 and DESC SMD Radiation data available LMI level "S" processing available FUNCTIONAL DIAGRAM 4/90 Rev 1.2 9/96 Copyright (c) 1996 1 11861 Western Avenue Garden Grove, CA 92841 (714) 898-8121 FAX: (714) 893-2570 LINFINITY Microelectronics Inc. SG1503/SG2503/SG3503 ABSOLUTE MAXIMUM RATINGS (Note 1) Input Voltage ....................................................................... 40V Storage Temperature Range ............................. -65C to 150C Note 1. Exceeding these ratings could cause damage to the device. Operating Junction Temperature Hermetic (T, Y - Package) ............................................. 150C Plastic (M, DM - Package) ............................................ 150C Lead Temperature (Soldering, 10 Seconds) .................. 300C THERMAL DATA T Package: Thermal Resistance-Junction to Case, JC ................... 15C/W Thermal Resistance-Junction to Ambient, JA ............ 120C/W Y Package: Thermal Resistance-Junction to Case, JC .................. 50C/W Thermal Resistance-Junction to Ambient, JA ........... 130C/W M Package: Thermal Resistance-Junction to Case, JC ................... 60C/W Thermal Resistance-Junction to Ambient, JA ............. 95C/W DM Package: Thermal Resistance-Junction to Case, JC .................. 55C/W Thermal Resistance-Junction to Ambient, JA ........... 165C/W Note A. Junction Temperature Calculation: TJ = TA + (PD x JA). Note B. The above numbers for JC are maximums for the limiting thermal resistance of the package in a standard mounting configuration. The JA numbers are meant to be guidelines for the thermal performance of the device/pcboard system. All of the above assume no ambient airflow. RECOMMENDED OPERATING CONDITIONS (Note 2) Input Voltage .......................................................... 4.5V to 40V Operating Ambient Temperature Range SG1503 ............................................................ -55C to 125C SG2503 ............................................................. -25C to 85C SG3503 ................................................................ 0C to 70C Note 2. Range over which the device is functional. ELECTRICAL CHARACTERISTICS (Unless otherwise specified, these specifications apply over the operating ambient temperatures for SG1503 with -55C TA 125C, SG2503/SG3503 with 0C TA 70C, VIN = 15V, and IL = 0mA. Low duty cycle pulse testing techniques are used which maintains junction and case temperatures equal to the ambient temperature.) Parameter Output Voltage Input Voltage Line Regulation Load Regulation Temperature Regulation Quiescent Current Short Circuit Current Ripple Rejection Output Noise Voltage Stability TA = 25C Test Conditions TA = 25C VIN = 5V to 15V VIN = 15V to 40V IL = 10mA IL = 10mA, VIN = 30V (SG1503 only) (SG2503/3503 only) VIN = 40V TA = 25C f = 120Hz, TA = 25C BW = 10KHz, TA = 25C SG1503/2503 Min. Typ. Max. 2.485 2.500 2.515 4.7 40 4.5 40 1 3 3 5 3 5 4 8 15 20 2.5 5 1.5 2.0 15 20 30 76 100 250 SG3503 Units Min. Typ. Max. 2.475 2.500 2.525 V 4.7 V 40 4.5 V 40 1 mV 3 3 mV 10 3 mV 10 4 mV 15 mV 5 mV 10 1.5 mA 2.0 15 20 mA 30 76 dB 100 V rms 250 V/Khr 4/90 Rev 1.2 9/96 Copyright (c) 1996 2 11861 Western Avenue Garden Grove, CA 92841 (714) 898-8121 FAX: (714) 893-2570 LINFINITY Microelectronics Inc. SG1503/SG2503/SG3503 CHARACTERISTIC CURVES FIGURE 1. OUTPUT VOLTAGE VS. TEMPERATURE FIGURE 2. RIPPLE REJECTION CONNECTION DIAGRAMS & ORDERING INFORMATION Package 8-PIN CERAMIC DIP Y - PACKAGE (See Notes Below) Part No. SG1503Y/883B SG1503Y/DESC SG1503Y SG2503Y SG3503Y SG2503M SG3503M SG3503DM Ambient Temperature Range -55C to 125C -55C to 125C -55C to 125C -25C to 85C 0C to 70C -25C to 85C 0C to 70C 0C to 70C Connection Diagram VIN VOUT GND N.C. 1 2 3 4 8 7 6 5 N.C. N.C. N.C. N.C. 8-PIN PLASTIC DIP M - PACKAGE 8-PIN PLASTIC SOIC DM - PACKAGE VIN VOUT GND N.C. 1 2 3 4 8 7 6 5 N.C. N.C. N.C. N.C. 3-PIN TO-39 METAL CAN T - PACKAGE SG1503T/883B SG1503T/DESC SG1503T SG2503T SG3503T -55C to 125C -55C to 125C -55C to 125C -25C to 85C 0C to 70C VIN VOUT 1 2 3 GND Note 1. Contact factory for JAN and DESC product availablity. 2. All packages are viewed from the top. 4/90 Rev 1.2 9/96 Copyright (c) 1996 3 11861 Western Avenue Garden Grove, CA 92841 (714) 898-8121 FAX: (714) 893-2570 LINFINITY Microelectronics Inc. |
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