ADR03 Ultracompact, Precision 2.5 V Voltage Reference

The ADR01, ADR02, ADR03, and ADR06 are precision 10.0 V, 5.0 V, 2.5 V, and 3.0 V band gap voltage references featuring high accuracy, high stability, and low power consumption. The parts are housed in tiny, 5-lead SC70 and TSOT packages, as well as in 8 lead SOIC versions. The SOIC versions of the ADR01, ADR02, and ADR03 are drop-in replacements1 to the industry-standard REF01, REF02, and REF03. The small footprint and wide operating range make the ADR0x references ideally suited for general-purpose and space-constrained applications.

With an external buffer and a simple resistor network, the TEMP terminal can be used for temperature sensing and approximation. A TRIM terminal is provided on the devices for fine adjustment of the output voltage.

The ADR01, ADR02, ADR03, and ADR06 are compact, low drift voltage references that provide an extremely stable output voltage from a wide supply voltage range. They are available in 5 lead SC70 and TSOT packages, and 8-lead SOIC packages with A, B, and C grade selections. All parts are specified over the extended industrial (–40°C to +125°C) temperature range. The ADR01, ADR02, ADR03 and ADR06 A grade in 8-lead SOIC are qualified for automotive applications.

Applications
  • Precision data acquisition systems
  • High resolution converters
  • Industrial process control systems
  • Precision instruments
  • Auto battery monitoring
  • PCMCIA cards

1 ADRO1, ADR02, and ADR03 are component-level compatible with REF01, REF02, and REF03, respectively. No guarantees for system-level compatibility are implied. SOIC versions of ADR01/ADR02/ADR03 are pin-to-pin compatible with 8-lead SOIC versions of REF01/REF02/REF03, respectively, with the additional temperature monitoring function.

Features and Benefits
  • Ultracompact SC70 and TSOT packages
  • Low temperature coefficient
    8-lead SOIC: 3 ppm/°C
    5-lead SC70: 9 ppm/°C
    5-lead TSOT: 9 ppm/°C
  • Initial accuracy ±0.1%
  • No external capacitor required
  • Low noise 10 μV p-p (0.1 Hz to 10.0 Hz)
  • Wide operating range: 4.5 V to 36.0 V
  • High output current 10 mA
  • Wide temperature range: –40°C to +125°C
  • ADR01/ADR02/ADR03 pin compatible to industry- standard REF01/REF02/REF03
Linear Products
Data Sheets
Documentnote
ADR01/ADR02/ADR03/ADR06: Ultracompact, Precision 10.0 V/5.0 V/2.5 V/3.0 V Voltage References Data Sheet (Rev. R)PDF 738 kB
Application Notes
Documentnote
AN-713: The Effect of Long-Term Drift on Voltage References (Rev. 0)PDF 237 kB
Frequently Asked Questions
Documentnote
Order Information
Part NumberPackagePacking QtyTemp RangePrice 100-499Price 1000+RoHS
ADR03AKSZ-REEL7 Production5 ld SC70REEL 3000-40 to 125C01.26Y
ADR03ARZ Production8 ld SOICOTH 98-40 to 125C1.121.05Y
ADR03ARZ-REEL7 Production8 ld SOICREEL 1000-40 to 125C01.05Y
ADR03AUJZ-REEL7 Production5 ld TSOTREEL 3000-40 to 125C01.13Y
ADR03BKSZ-REEL7 Production5 ld SC70REEL 3000-40 to 125C02.34Y
ADR03BRZ Production8 ld SOICOTH 98-40 to 125C2.732.28Y
ADR03BRZ-REEL7 Production8 ld SOICREEL 1000-40 to 125C02.28Y
ADR03BUJZ-REEL7 Production5 ld TSOTREEL 3000-40 to 125C02.46Y
ADR03WARZ-R7 Production8 ld SOICREEL 1000-40 to 125C01.31Y
ADR03WARZ-RL Production8 ld SOICREEL 2500-40 to 125C01.31Y
Reference Materials
ADR01/ADR02/ADR03/ADR06: Ultracompact, Precision 10.0 V/5.0 V/2.5 V/3.0 V Voltage References Data Sheet (Rev. R) adr01
AN-713: The Effect of Long-Term Drift on Voltage References (Rev. 0) ad580
CN-0023: Precision, Unipolar, Noninverting Configuration for the... adr03
CN-0027: Precision, Unipolar, Noninverting Configuration for the... adr03
CN-0026: Precision, Unipolar, Inverting Conversion Using the AD5547/AD5557 DAC adr03
CN-0024: Precision, Bipolar Configuration for the AD5546/AD5556 DAC adr03
CN-0022: Precision, Unipolar, Inverting Conversion Using the AD5546/AD5556 DAC adr03