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REF194 Datasheet

REF194 Datasheet

4.5V Precision Micropower, Low Dropout, Low Voltage Reference
Part No.: REF194
Page: 28 Pages
Size: 457 KB
Manufacturer: Analog Devices, Inc.
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Views: 1
Update Time: 2024-01-08 16:10:00
DataSheet: Download

REF194 Datasheet Applicable Part

Part No. Packing SPQ Marking MSL Pins Temp Range Package Description Buy
REF194ES Tube     1 8 -40°C ~ 85°C 8-Lead SOIC_N  
REF194ESZ Tube 98   1 8 -40°C ~ 85°C 8-Lead SOIC_N  
REF194ESZ-REEL Reel 2500   1 8 -40°C ~ 85°C 8-Lead SOIC_N  
REF194GS-REEL Reel 2500   1 8 -40°C ~ 85°C 8-Lead SOIC_N  
REF194GS-REEL7 Reel 1000   1 8 -40°C ~ 85°C 8-Lead SOIC_N  
REF194GSZ Tube 98   1 8 -40°C ~ 85°C 8-Lead SOIC_N  
REF194GSZ-REEL Reel 2500   1 8 -40°C ~ 85°C 8-Lead SOIC_N  
REF194GSZ-REEL7 Reel 1000   1 8 -40°C ~ 85°C 8-Lead SOIC_N  
SPQ:Standard Pack Quantity;MSL:Moisture Sensitivity Level

REF194 Datasheet(PDF)

REF194 Datasheet(Picture)

REF194 Features

  • 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

REF194 Applications

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

REF194 Description

The REF194 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 REF194 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 REF194 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.

REF194 Datasheet Related Parts

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