Reference Maximizes Resolution with 12-V Supplies

AD689 Has 8.192-V, Stability to within <5 ppm/°C; Provides Round-Number Scaling: 2 mV/LSB For 12-Bit Systems

The AD689 monolithic voltage reference provides a fixed 8.192-volt output, operating with a range of excitation voltages from 10.8 to 36 V. This reference is principally intended for systems with a nominal 12-V ±10% supply; at the lower limit (12 V - 10% = 10.8 V), there is insufficient  headroom for a 10-V reference to function. Read full article


Author

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Bill Schweber