Datasheet Texas Instruments REF2025AIDDCT — Datenblatt

REF2025, REF2030, REF2033, REF2041
SBOS600E – JULY 2018 – REVISED FEBRUARY 2022 REF20xx Low-Drift, Low-Power, Dual-Output, VREF and VREF / 2 Voltage References
1 Features 3 Description • Applications with only a positive supply voltage often
require additional stable voltage in the middle of
the analog-to-digital converter (ADC) input range to
bias input bipolar signals. The REF20xx provides a
reference voltage (VREF) for the ADC and a second
highly-accurate voltage (VBIAS) that can be used to
bias the input bipolar signals. •
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•
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• 2 Applications
Electricity meter
Analog input module
Analog output module
Servo drive control module
Circuit breaker (ACB, MCCB, VCB)
Clinical digital thermometer
Lab & field instrumentation …

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Design REF2025, REF2030, REF2033, REF2041
SBOS600C – MAY 2014 – REVISED JANUARY 2017 REF20xx Low-Drift, Low-Power, Dual-Output, VREF and VREF / 2 Voltage References
1 Features 3 Description Applications with only a positive supply voltage often
require additional stable voltage in the middle of the
analog-to-digital converter (ADC) input range to bias
input bipolar signals. The REF20xx provides a
reference voltage (VREF) for the ADC and a second
highly-accurate voltage (VBIAS) that can be used to
bias the input bipolar signals. 1 Two Outputs, VREF and VREF / 2, for Convenient
Use in Single-Supply Systems
Excellent Temperature Drift Performance:
– 8 ppm/°C (max) from –40°C to 125°C
High Initial Accuracy: В±0.05% (max)
VREF and VBIAS Tracking over Temperature:
– 6 ppm/°C (max) from –40°C to 85°C
– 7 ppm/°C (max) from –40°C to 125°C
Microsize Package: SOT23-5 …