LINEAR REF-01 REF-02 User's Manual
Summary
Achieve ultra-stable voltage in demanding electronic applications with these precision bandgap references (REF-01/REF-02). Ideal for designers building sensitive circuits such as AD/DA converters and amplifiers, they maintain superior output stability across wide temperature ranges. This comprehensive manual details the electrical characteristics, low noise performance, and operating guidelines necessary to integrate these high-accuracy components into your designs, ensuring reliable power even under extreme conditions.
Page 1 Text Content
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REF-01/REF-02 Precision Voltage References
FEATURES DESCRIPTIO Trimmed Output ±0.3% The REF-01/REF-02 are precision 10V and 5V bandgap Low Drift—5ppm/°C Typ references which provide stable output voltages over a Low Noise—3ppm(P-P) wide range of operating conditions. Output voltage is High Line Rejection accurate to ±0.3% with a low 5ppm/°C typical temperature
Temperature Output—REF-02 coefficient. The REF-01 and REF-02 are excellent choices Low Supply Current 1.4m A Max for applications where low drift, moderate accuracy, low power consumption and low cost are considerations.
APPLICATIO S
The REF-02 includes a temperature output pin which
A/D and D/A Converters
provides a linear voltage proportional to absolute tem-
Precision Regulators
perature.
Constant Current Sources
V/F Converters For lower drift and higher accuracy references, please see Bridge Excitation the LT1019 and LT1021 data sheets. , LTC and LT are registered trademarks of Linear Technology Corporation.
OU TP UT OL TA GE (N OR AL IZ ED
TYPICAL APPLICATIO
Ultra Linear Strain Gauge Amplifier Output Voltage Temperature Drift
REF-02 R2 1.002 0°C TO 70°C BOX GUARANTEED FOR
BRIDGE
IN OUT 20k REF-01E AND REF-02E (8.5ppm/°C)
R4 GAIN = 100A2
LT307 LT1001
ACTIVE R5
ELEMENT R6 0.999
TA01a FULL TEMP RANGE BOX GUARANTEED FOR
REF-01A AND REF-02A (8.5ppm/°C)
–5V REDUCES REFERENCE AND AMPLIFIER LOADING. 357Ω* 0.997
IF R6 = R3, BRIDGE IS NOT LOADED BY R2 AND R4. 1/2W –50 –25
A1 VOS AND DRIFT ARE NOT CRITICAL. TEMPERATURE (°C)
TA01b
Page Summary Contents For LINEAR REF-01 REF-02 User's Manual
Manual Details
| Brand | Linear |
|---|---|
| Pages | 8 |
| File Size | 182.42 KB |
| Published | May 29, 2026 |
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Frequently Asked Questions
What is the temperature output capability of this reference?
The REF-2 includes a temperature output pin, giving a linear voltage proportional to absolute temperature.
How accurately does the device reject line noise?
The devices are accurate to –0.3% with low Line Rejection.
What is the maximum operating temperature range for different models?
REF-01/REF-02 generally handle –55°C to 125°C, while REF-01A/REF-02A can span –65°C to 150°C.
What considerations should guide my selection of a reference circuit?
Choose based on requirements like low drift, moderate accuracy, low power consumption, and low cost.