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REF195:  Precision Micropower, Low Dropout, Low Voltage References

Product Status:   Production 

The REF19x series precision band gap voltage references use a patented temperature drift curvature correction circuit and laser trimming of highly stable, thin-film resistors to achieve a very low temperature coefficient and high initial accuracy.

The REF19x series is made up of micropower, low dropout voltage (LDV) devices, providing stable output voltage from supplies as low as 100 mV More

above the output voltage and consuming less than 45 μA of supply current. In sleep mode, which is enabled by applying a low TTL or CMOS level to the SLEEP pin, the output is turned off and supply current is further reduced to less than 15 μA.

The REF19x series references are specified over the extended industrial temperature range (−40°C to +85°C) with typical performance specifications over −40°C to +125°C for applications, such as automotive.

All electrical grades are available in an 8-lead SOIC package; the PDIP and TSSOP packages are available only in the lowest electrical grade.

Applications

  • Portable instruments
  • ADCs and DACs
  • Smart sensors
  • Solar powered applications
  • Loop-current-powered instruments

    • Data Sheet, Rev. J, 3/08

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    REF195:  Precision Micropower, Low Dropout, Low Voltage References

    Product Description

    The REF19x series precision band gap voltage references use a patented temperature drift curvature correction circuit and laser trimming of highly stable, thin-film resistors to achieve a very low temperature coefficient and high initial accuracy.

    The REF19x series is made up of micropower, low dropout voltage (LDV) devices, providing stable output voltage from supplies as low as 100 mV above the output voltage and consuming less than 45 μA of supply current. In sleep mode, which is enabled by applying a low TTL or CMOS level to the SLEEP pin, the output is turned off and supply current is further reduced to less than 15 μA.

    The REF19x series references are specified over the extended industrial temperature range (−40°C to +85°C) with typical performance specifications over −40°C to +125°C for applications, such as automotive.

    All electrical grades are available in an 8-lead SOIC package; the PDIP and TSSOP packages are available only in the lowest electrical grade.

    Applications

  • Portable instruments
  • ADCs and DACs
  • Smart sensors
  • Solar powered applications
  • Loop-current-powered instruments

    • Data Sheet, Rev. J, 3/08

      • Initial Accuracy: ±2 mV Max
      • Temperature Coefficient: 5 ppm/°C Max
      • Low Supply Current: 45 µA Max
      • Sleep Mode: 15 µA Max
      • Low Dropout Voltage
      • Load Regulation: 4 ppm/mA
      • Line Regulation: 4 ppm/V
      • High Output Current: 30 mA
      • Short-Circuit Protection

    SOIC/TSSOP Pin Configuration for REF195

    To find similar products by filtering on operating parameters, please use the  Interactive Product Selection Table

    Budgetary Price & Packaging   |   Samples   |   Check Inventory & Purchase

    REF195 Model Options
    Model Package Pins Temp.
    Range    		 Packing,
    Qty    		 Price*(100-499) Price*1000 pcs RoHS View PCN/ PDN Check Inventory/
    Purchase/Sample
    REF195ES Status: Last Time Buy 8 ld SOIC 8 Ind Tube, 98 $2.77 $2.74 N  Material Info PCN/PDN Purchase
    REF195ESZ Status: Production 8 ld SOIC 8 Ind Tube, 98 $2.38 $2.37 Y  Material Info PCN Purchase
    REF195ESZ-REEL Status: Production 8 ld SOIC 8 Ind Reel, 2500 - $2.37 Y  Material Info PCN Purchase
    REF195FS Status: Last Time Buy 8 ld SOIC 8 Ind Tube, 98 $2.15 $2.13 N  Material Info PCN/PDN Purchase
    REF195FS-REEL Status: Last Time Buy 8 ld SOIC 8 Ind Reel, 2500 $2.15 $2.13 N  Material Info PCN/PDN Purchase
    REF195FSZ Status: Production 8 ld SOIC 8 Ind Tube, 98 $1.85 $1.84 Y  Material Info PCN Purchase
    REF195FSZ-REEL Status: Production 8 ld SOIC 8 Ind Reel, 2500 $1.85 $1.84 Y  Material Info PCN Purchase
    REF195GPZ Status: Production 8 ld PDIP 8 Ind Tube, 50 $1.33 $1.31 Y  Material Info PCN Purchase
    REF195GRU-REEL7 Status: Last Time Buy 8 ld TSSOP 8 Ind Reel, 1000 - $1.84 N  Material Info PCN/PDN Purchase
    REF195GRUZ Status: Production 8 ld TSSOP 8 Ind Tube, 96 $1.69 $1.66 Y  Material Info PCN Purchase Sample
    REF195GRUZ-REEL7 Status: Production 8 ld TSSOP 8 Ind Reel, 1000 - $1.66 Y  Material Info PCN Purchase
    REF195GS Status: Last Time Buy 8 ld SOIC 8 Ind Tube, 98 $1.61 $1.59 N  Material Info PCN/PDN Purchase
    REF195GS-REEL Status: Last Time Buy 8 ld SOIC 8 Ind Reel, 2500 - $1.59 N  Material Info PCN/PDN Purchase
    REF195GS-REEL7 Status: Last Time Buy 8 ld SOIC 8 Ind Reel, 1000 - $1.59 N  Material Info PCN/PDN Purchase
    REF195GSZ Status: Production 8 ld SOIC 8 Ind Tube, 98 $1.46 $1.44 Y  Material Info PCN Purchase Sample
    REF195GSZ-REEL Status: Production 8 ld SOIC 8 Ind Reel, 2500 - $1.44 Y  Material Info PCN Purchase
    REF195GSZ-REEL7 Status: Production 8 ld SOIC 8 Ind Reel, 1000 - $1.44 Y  Material Info PCN Purchase
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    Temperature Range
    This is the acceptable operating range of the device. The various ranges specified are as follows:
    • Commercial: 0 to +70 degrees Celsius
    • Military : -55 to +125 degrees Celsius
    • Industrial: Temperature ranges may vary by model. Please consult the datasheet for more information.
    • Automotive: -40 to +125 degrees Celsius
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    *The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.

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