REF5025A-Q1 Automotive Low Noise, Very Low Drift, Precision 2.5V Series Voltage Reference | TI.com

REF5025A-Q1 (ACTIVE) Automotive Low Noise, Very Low Drift, Precision 2.5V Series Voltage Reference

 

Recommended alternative parts

  • REF34-Q1  -  More accurate (0.05%) series voltage reference with lower temperature drift (max 6 ppm/°C) and lower power consumption (max 95 µA)

Description

The REF50xxA-Q1 family of devices is low-noise, low-drift, very-high precision-voltage reference. These reference devices are capable of both sinking and sourcing, and are very robust with regard to line and load changes.

Excellent temperature drift (3 ppm/°C) and high accuracy (0.05%) are achieved using proprietary design techniques. These features combined with very low noise make the REF50xxA-Q1 family of devices ideal for use in high-precision data acquisition systems.

Each reference voltage is available in a standard-grade versions. The devices are offered in SO-8 packages and are specified from –40°C to 125°C.

Features

  • Qualified for Automotive Applications
  • Low Temperature Drift
    • Standard Grade: 8 ppm/°C (max)
  • High Accuracy
    • Standard Grade: 0.1% (max)
  • Low Noise: 3 µVPP/V
  • Excellent Long-Term Stability:
    • 5 ppm/1000 hr (typ) after 1000 hours
  • High Output Current: ±10 mA
  • Temperature Range: –40°C to 125°C

Parametrics

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Part number Order VO (V) Initial accuracy (Max) (%) Temp coeff (Max) (ppm/ degree C) Rating Operating temperature range (C) Iout/Iz (Max) (mA) Iq (Typ) (uA) Shutdown current (Typ) (uA) Iq (Max) (uA) Features Package Group Vin (Min) (V) Vin (Max) (V)
REF5025A-Q1 Order now 2.5     0.1     8     Automotive     -40 to 125     10     800       1000     TRIM/NR pin     SOIC | 8     2.7     18    
REF34-Q1 Order now 2.5
3
3.3
4.096
5    
0.05     6     Automotive     -40 to 125     10     72     2.5     95     Enable pin
4-wire output    
SOT-23 | 6     2.55     12    
REF5020A-Q1 Order now 2.048     0.1     8     Automotive     -40 to 125     10     800       1000     TRIM/NR pin     SOIC | 8     2.7     18    
REF5030A-Q1 Order now 3     0.1     8     Automotive     -40 to 125     10     800       1000     TRIM/NR pin     SOIC | 8     3.2     18    
REF5040A-Q1 Order now 4.096     0.1     8     Automotive     -40 to 125     10     800       1000     TRIM/NR pin     SOIC | 8     4.296     18    
REF5045A-Q1 Samples not available 4.5     0.1     8     Automotive     -40 to 125     10     800       1000     TRIM/NR pin     SOIC | 8     4.7     18    
REF5050A-Q1 Order now 5     0.1     8     Automotive     -40 to 125     10     800       1000     TRIM/NR pin     SOIC | 8     5.2     18