Home Power management Voltage references Series voltage references

REF54

ACTIVE

0.8ppm/°C drift (max), 0.11ppmp-p 1/f noise, 380μA current precision voltage reference

Product details

Rating Catalog VO (V) 2.5, 3, 4.096, 4.5, 5 Temp coeff (max) (ppm/°C) 0.8 Initial accuracy (max) (%) 0.02 Features Enable pin Iout/Iz (max) (mA) 10 Vin (min) (V) 2.7 Vin (max) (V) 18 Iq (typ) (mA) 0.26 LFN 0.1 to 10 Hz (typ) (µVPP) 1.125 Operating temperature range (°C) -40 to 125 Shutdown current (ISD) (typ) (µA) 5
Rating Catalog VO (V) 2.5, 3, 4.096, 4.5, 5 Temp coeff (max) (ppm/°C) 0.8 Initial accuracy (max) (%) 0.02 Features Enable pin Iout/Iz (max) (mA) 10 Vin (min) (V) 2.7 Vin (max) (V) 18 Iq (typ) (mA) 0.26 LFN 0.1 to 10 Hz (typ) (µVPP) 1.125 Operating temperature range (°C) -40 to 125 Shutdown current (ISD) (typ) (µA) 5
LCCC (FKH) 8 25 mm² (5 mm × 5 mm) SOIC (D) 8 29.4 mm² (4.9 mm × 6 mm)
  • Low temperature drift coefficient:
    • 0.8ppm/°C maximum (C grade, 0°C to 70°C)
    • 1.5ppm/°C maximum (Q grade, –40°C to 125°C)
  • Low noise (0.1Hz to 10Hz):
    • 0.11ppmp-p with CNR = 100µF
    • 0.45ppmp-p with CNR = Open
  • High accuracy: ±0.02% maximum
  • Low quiescent current: 380µA maximum
  • Low long-term stability (1khr): 25ppm, SOIC
  • Low long-term stability (1khr): 3ppm, Ceramic
  • Designed for a wide range of applications:
    • Wide input voltage up to 18V
    • Output current: ±10mA
    • Voltage options: 2.5V, 3V, 4.096V, 4.5V, 5V
  • Fit for all design requirement:
    • Stable with 1µF to 100µF output low-ESR capacitor
    • High PSRR: 100dB at 1kHz
    • Operating temperature range: −40°C to +125°C
    • Pin-to-pin to REF50xx family when TEMP pin is not used
  • Low temperature drift coefficient:
    • 0.8ppm/°C maximum (C grade, 0°C to 70°C)
    • 1.5ppm/°C maximum (Q grade, –40°C to 125°C)
  • Low noise (0.1Hz to 10Hz):
    • 0.11ppmp-p with CNR = 100µF
    • 0.45ppmp-p with CNR = Open
  • High accuracy: ±0.02% maximum
  • Low quiescent current: 380µA maximum
  • Low long-term stability (1khr): 25ppm, SOIC
  • Low long-term stability (1khr): 3ppm, Ceramic
  • Designed for a wide range of applications:
    • Wide input voltage up to 18V
    • Output current: ±10mA
    • Voltage options: 2.5V, 3V, 4.096V, 4.5V, 5V
  • Fit for all design requirement:
    • Stable with 1µF to 100µF output low-ESR capacitor
    • High PSRR: 100dB at 1kHz
    • Operating temperature range: −40°C to +125°C
    • Pin-to-pin to REF50xx family when TEMP pin is not used

The REF54 is a family of high precision, low-drift, low current consumption series voltage reference devices. The REF54 family offers low temperature drift coefficient (0.8ppm/°C), low-noise (0.11ppmp-p) and high accuracy (±0.02%) while consuming 380µA current. The REF54 with low long-term drift (3ppm LCCC; 25ppm SOIC), excellent load and line regulation helps meet strict performance requirements of high precision applications. The device family is designed as a companion device for high-resolution data converters such as ADS8900B, ADS127L11, ADS1285, and DAC11001B.

The REF54 family supports wide supply voltage rating of 18V. The REF54 device supports up to 10mA load current.

The REF54 is specified for the two temperature ranges, C grade is specified for from 0°C to 70°C and Q grade is specified for from –40°C to +125°C. The wide temperature range enables operation across various industrial applications.

The REF54 is a family of high precision, low-drift, low current consumption series voltage reference devices. The REF54 family offers low temperature drift coefficient (0.8ppm/°C), low-noise (0.11ppmp-p) and high accuracy (±0.02%) while consuming 380µA current. The REF54 with low long-term drift (3ppm LCCC; 25ppm SOIC), excellent load and line regulation helps meet strict performance requirements of high precision applications. The device family is designed as a companion device for high-resolution data converters such as ADS8900B, ADS127L11, ADS1285, and DAC11001B.

The REF54 family supports wide supply voltage rating of 18V. The REF54 device supports up to 10mA load current.

The REF54 is specified for the two temperature ranges, C grade is specified for from 0°C to 70°C and Q grade is specified for from –40°C to +125°C. The wide temperature range enables operation across various industrial applications.

Download View video with transcript Video

Technical documentation

Design & development

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

Evaluation board

REF54EVM — REF54 evaluation module for low-power high precision voltage reference with low noise and drift

The REF54 evaluation module (EVM) is a precision voltage reference EVM that demonstrates the performance of the REF54 family of high precision, low drift, low current consumption series voltage reference devices. The REF54 family offers low temperature drift coefficient of 0.5 ppm/°C, low flicker (...)

User guide: PDF | HTML
Supported products & hardware
In stock
Limit:
??asset.out-of-stock-ti_en_US??
Not available
Evaluation board

REF54EVM-2 — REF54 evaluation module (LCCC package)

The REF54EVM-2 is a precision voltage reference evaluation module that demonstrates the performance of a high precision series reference device (REF54 in the ceramic LCCC package) from Texas Instruments. The REF54 is a family of low drift, and low noise voltage reference devices. REF54 offers low (...)
User guide: PDF | HTML
Supported products & hardware
In stock
Limit:
??asset.out-of-stock-ti_en_US??
Not available
Certification

REF54EVM-2-DOC-CERT — REF54EVM-2 EU Declaration of Conformity (DoC)

REF54EVM-2 EU Declaration of Conformity (DoC)
Supported products & hardware
Design tool

ADC-DAC-TO-VREF-SELECT-DESIGN-TOOL — The ADC-TO-VREF-SELECT tool enables the pairing of TI ADCs, DACs, and series voltage references.

The ADC-TO-VREF-SELECT tool enables the pairing of TI analog-to-digital converters (ADCs) and series voltage references. Users can select an ADC device and the desired reference voltage, and the tool will list up to two voltage reference recommendations.
Supported products & hardware
Reference design

TIDA-010089 — Two-quadrant, 15V, 8A, programmable linear DC power supply reference design

This reference design demonstrates a low-noise, efficient, bidirectional power supply that achieves less than ±0.02% full-scale (FS) current and voltage control accuracy. The design utilizes an analog feedback loop for precise current control and implements a voltage tracking circuit to minimize (...)

Supported products & hardware
Reference design

TIDA-010090 — 4-channel, 50A, digital control battery cell tester reference design

The reference design illustrates a method to control the current and voltage of a bidirectional buck converter power stage using a C2000™ real-time microcontroller (MCU) and a precision analog-to-digital converter (ADC) ADS8588S. The design achieves less than ±10mA current regulation error and (...)
Supported products & hardware
Reference design

TIDA-010962 — Automated test equipment (ATE) 80V discrete floating VI reference design

This reference design presents a four-quadrant discrete floating Voltage and Current (VI) design. Voltage output supports ±40V and 0V to 80V ranges, with three current ranges of 500mA, 10mA, and 10μA. The design operates on force voltage (FV), force current (FI), Buffer, and Gang mode with analog (...)

Supported products & hardware
Reference design

TIDA-010970 — Low-noise, highly linear digital multimeter and data acquisition signal chain reference design

The target application for this design includes digital multimeters (DMMs) that require ultra-high precision to measure dc signals. This design achieves effective dc accuracy using the ADS127L21B, a high-performance, 24-bit analog-to-digital converter (ADC) with effective linearity. An ultra-low (...)

Supported products & hardware
Package Pins CAD symbols, footprints & 3D models
LCCC (FKH) 8 Ultra Librarian
SOIC (D) 8 Ultra Librarian

Ordering & quality

Support & training

TI E2E™ forums with technical support from TI engineers

Content is provided "as is" by TI and community contributors and does not constitute TI specifications. See terms of use.

If you have questions about quality, packaging or ordering TI products, see TI support. ​​​​​​​​​​​​​​

Videos