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VRE304 Datasheet(PDF) 11 Page - List of Unclassifed Manufacturers |
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VRE304 Datasheet(HTML) 11 Page - List of Unclassifed Manufacturers |
11 / 41 page VRE303 Low Cost Precision Reference DESCRIPTION FEATURES The VRE303 is a low cost, high precision 3.0V reference. Packaged in the industry standard 8 pin DIP, the device is ideal for upgrading systems that use lower performance references. The device provides ultrastable +3.000V output with ±0.3000 mV (.01%) initial accuracy and a temperature coefficient of 0.6 ppm/°C. This improvement in accuracy is made possible by a unique, patented multipoint laser compensation technique developed by Thaler Corporation. Significant improvements have been made in other performance parameters as well, including initial accuracy, warm-up drift, line regulation, and long-term stability, making the VRE303 series the most accurate reference available in the standard 8 pin DIP package. For enhanced performance, the VRE303 has an external trim option for users who want less than 0.01% initial error. For ultra low noise applications, an external capacitor can be attached between the noise reduction pin and the ground pin. A reference ground pin is provided to eliminate socket contact resistance errors. 5 6 7 8 VRE303 TOP VIEW 1 2 3 4 N/C +V IN TEMP GND NOISE REDUCTION REF. GND V OUT TRIM PIN CONFIGURATION The VRE303 is recommended for use as a reference for 14, 16, or 18 bit D/A converters which require an external precision reference. The device is also ideal for calibrating scale factor on high resolution A/D converters. The VRE303 offers superior performance over monolithic references. • 3.000 V OUTPUT ± 0.300 mV (.01%) • TEMPERATURE DRIFT: 0.6 ppm/°C • LOW NOISE: 1.5µV p-p (0.1-10Hz) • INDUSTRY STD PINOUT- 8 PIN DIP OR SURFACE MOUNT PACKAGE •EXCELLENT LINE REGULATION: 6ppm/V Typ. • OUTPUT TRIM CAPABILITY FIGURE 1 VRE303DS REV. B MAY 2001 SELECTION GUIDE Model Temp. Range °C Temp. Coeff. ppm/°C VRE303A 0.30 0.6 0°C to +70°C VRE303B 0.48 1.0 0°C to +70°C VRE303C 0.60 2.0 0°C to +70°C VRE303J 0.30 0.6 -40°C to +85°C VRE303K 0.48 1.0 -40°C to +85°C VRE303L 0.60 2.0 -40°C to +85°C For package option add D for DIP or S for Surface Mount to end of model number. Initial Error mV THALER CORPORATION • 2015 N. FORBES BOULEVARD • TUCSON, AZ. 85745 • (520) 882-4000 |
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