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Series voltage references

REF5025-HT

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High Temperature Low Noise, Very Low Drift, Precision Voltage References

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Data sheet

REF5025-HT

ACTIVE
Data sheet Order now

Product details

Rating High Temp VO (V) 2.5 Temp coeff (max) (ppm/°C) 3 Initial accuracy (max) (%) 0.05 Features TRIM/NR pin Iout/Iz (max) (mA) 10 Vin (min) (V) 2.7 Vin (max) (V) 18 Iq (typ) (mA) 0.8, 800 LFN 0.1 to 10 Hz (typ) (µVPP) 7.5 Operating temperature range (°C) -55 to 210
Rating High Temp VO (V) 2.5 Temp coeff (max) (ppm/°C) 3 Initial accuracy (max) (%) 0.05 Features TRIM/NR pin Iout/Iz (max) (mA) 10 Vin (min) (V) 2.7 Vin (max) (V) 18 Iq (typ) (mA) 0.8, 800 LFN 0.1 to 10 Hz (typ) (µVPP) 7.5 Operating temperature range (°C) -55 to 210
CFP (HKJ) 8 38.985 mm² 6.9 x 5.65 CFP (HKQ) 8 38.985 mm² 6.9 x 5.65 DIESALE (KGD) — See data sheet
  • Low Temperature Drift: 40 ppm/°C
  • Low Noise: 3 µVPP/V
  • High Output Current: ±7 mA
  • Low Temperature Drift: 5 ppm/°C (Maximum)
  • Available in Military (–55°C to +210°C) Temperature Range(1)
  • Extended Product Life Cycle
  • Extended Product-Change Notification
  • Product Traceability
  • APPLICATIONS
    • 16-Bit Data Acquisition Systems
    • ATE Equipment
    • Industrial Process Control
    • Medical Instrumentation
    • Optical Control Systems
    • Precision Instrumentation
    • Controlled Baseline
    • One Assembly and Test Site
    • One Fabrication Site

(1) Custom temperature ranges available
All other trademarks are the property of their respective owners
  • Low Temperature Drift: 40 ppm/°C
  • Low Noise: 3 µVPP/V
  • High Output Current: ±7 mA
  • Low Temperature Drift: 5 ppm/°C (Maximum)
  • Available in Military (–55°C to +210°C) Temperature Range(1)
  • Extended Product Life Cycle
  • Extended Product-Change Notification
  • Product Traceability
  • APPLICATIONS
    • 16-Bit Data Acquisition Systems
    • ATE Equipment
    • Industrial Process Control
    • Medical Instrumentation
    • Optical Control Systems
    • Precision Instrumentation
    • Controlled Baseline
    • One Assembly and Test Site
    • One Fabrication Site

(1) Custom temperature ranges available
All other trademarks are the property of their respective owners

The REF5025-HT is a low-noise, very low-drift, very high precision voltage references. This reference is capable of both sinking and sourcing, and is very robust with regard to line and load changes.

Excellent temperature drift and high accuracy are achieved using proprietary design techniques. These features, combined with very low noise, make the REF5025-HT suitable for use in high-precision data acquisition systems.

The device is offered in HKJ and HKQ packages, as well as Known-Good-Die (KGD) form, and is specified from –55°C to +210°C.

The REF5025-HT is a low-noise, very low-drift, very high precision voltage references. This reference is capable of both sinking and sourcing, and is very robust with regard to line and load changes.

Excellent temperature drift and high accuracy are achieved using proprietary design techniques. These features, combined with very low noise, make the REF5025-HT suitable for use in high-precision data acquisition systems.

The device is offered in HKJ and HKQ packages, as well as Known-Good-Die (KGD) form, and is specified from –55°C to +210°C.
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Technical documentation

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* Data sheet REF5025-HT Low-Noise, Very-Low-Drift, Precision Voltage Reference datasheet (Rev. F) PDF | HTML 23 Dec 2016
* Radiation & reliability report REF5025SHKJ Reliability Report 18 Jul 2012
* Radiation & reliability report REF5025SHKQ Reliability Report 18 Jul 2012
Application note Voltage Reference Selection and Design Tips For Data Converters (Rev. B) PDF | HTML 09 Jan 2024
E-book Tips and tricks for designing with voltage references (Rev. A) 07 May 2021
Application note Long-Term Drift in Voltage References PDF | HTML 25 Mar 2021
Application note Low-Noise Negative Reference Design with REF5025 01 Dec 2019
E-book Voltage Supervisor and Reset ICs: Tips, Tricks and Basics 28 Jun 2019
White paper Voltage reference selection basics white paper (Rev. A) 23 Oct 2018

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

GUI for evaluation module (EVM)

SLAC498 — HEATEVM GUI Software

Supported products & hardware

Supported products & hardware

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Die & wafer services
  • SM470R1B1M-HT — High Temperature ARM7TDMI™ Flash Microcontroller
Fully differential amplifiers
  • THS4521-HT — High Temperature, Very Low Power, Negative Rail Input, Rail-to-Rail Output, Differential Amp
RS-485 & RS-422 transceivers
  • SN65HVD11-HT — High Temperature 3.3-V RS-485 Transceiver
Precision ADCs
  • ADS1278-HT — High-Temperature Quad/Octal, Simultaneous-Sampling, 24-Bit Analog-to-Digital Converter
Precision op amps (Vos<1mV)
  • OPA211-HT — High Temperature 1.1nV/rtHz Noise, Low Power, Precision Operational Amplifier
  • OPA2333-HT — High-temperature, 1.8-V, 17-µA, two-channel, micropower zero-drift CMOS operational amplifier
Series voltage references
  • REF5025-HT — High Temperature Low Noise, Very Low Drift, Precision Voltage References
CAN transceivers
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Reference designs

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CFP (HKJ) 8 Ultra Librarian
CFP (HKQ) 8 Ultra Librarian
DIESALE (KGD) —
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