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Data Sheet ADR1000
Oven-Compensated, Buried Zener, 6.62 V Voltage Reference
FEATURES
FUNCTIONAL BLOCK DIAGRAM
► High long-term stability ► 0.5 ppm/year long-term drift, typical (after first 3000 hours) ► Low Zener reference noise: 0.14 ppm p-p (0.9 µV p-p) ► Low temperature coefficient: <0.2 ppm/°C ► On-chip heater and temperature sensor ► Specified for −40°C to +125°C operation ► Pin‐compatible upgrade to LTZ1000
APPLICATIONS
► High accuracy instrumentation ► Multimeters ► Weigh scales ► Electric balance ► Automatic test equipment ► Metrology equipment ► Standard cells ► Calibrators
Figure 1.
GENERAL DESCRIPTION The ADR1000 is a 6.62 V, output highly stable, oven-controlled, buried Zener reference component built on an Analog Devices, Inc.