VRE305AD - Precision Voltage Reference, +5.0V, 0.5mV, 0ºC to +70ºC
The VRE305 is a low cost, high precision +5 V reference. Packaged in an industry standard 8-pin DIP or SMT, the device is ideal for upgrading systems that use lower performance references. The device provides ultrastable +5 V output with ±0.5 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. 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 VRE305 series the most accurate reference available in a standard 8-pin DIP or SMT.
For enhanced performance, the VRE305 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.
The VRE305 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 VRE305 offers superior performance over monolithic references.
• +5 V Output, ± 0.5 mV (.01%)
• Temperature Drift: 0.6 ppm/ºC
• Low Noise: 3 µVP-P (0.1-10Hz)
• Industry Standard Pinout: 8-pin DIP or Surface Mount Package
• Excellent Line Regulation: 6 ppm/V Typical
• Output Trim Capability
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