Datasheets
REF3140AIDBZTG4 by: Texas Instruments

4-V, 20-ppm/°C max, 100-µA, 3-pin SOT-23 series voltage reference 3-SOT-23 -40 to 125

Part Details for REF3140AIDBZTG4 by Texas Instruments

Results Overview of REF3140AIDBZTG4 by Texas Instruments

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Applications Energy and Power Systems Renewable Energy Automotive

REF3140AIDBZTG4 Information

REF3140AIDBZTG4 by Texas Instruments is a Voltage Reference.
Voltage References are under the broader part category of Power Circuits.

A power circuit delivers electricity in order to operate a load for an electronic device. Power circuits include transformers, generators and switches. Read more about Power Circuits on our Power Circuits part category page.

Price & Stock for REF3140AIDBZTG4

Part # Distributor Description Stock Price Buy
Win Source Electronics IC VREF SERIES 4.096V SOT23-3 15430
  • 60 $0.8732
  • 125 $0.8169
  • 195 $0.7887
  • 275 $0.7324
  • 360 $0.7042
  • 445 $0.6761
$0.6761 / $0.8732 Buy Now

Part Details for REF3140AIDBZTG4

REF3140AIDBZTG4 CAD Models

REF3140AIDBZTG4 Part Data Attributes

REF3140AIDBZTG4 Texas Instruments
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REF3140AIDBZTG4 Texas Instruments 4-V, 20-ppm/°C max, 100-µA, 3-pin SOT-23 series voltage reference 3-SOT-23 -40 to 125
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Rohs Code Yes
Part Life Cycle Code Obsolete
Ihs Manufacturer TEXAS INSTRUMENTS INC
Part Package Code SOT-23
Package Description GREEN, PLASTIC, SOT-23, 3 PIN
Pin Count 3
Reach Compliance Code compliant
ECCN Code EAR99
HTS Code 8542.39.00.01
Samacsys Manufacturer Texas Instruments
Analog IC - Other Type THREE TERMINAL VOLTAGE REFERENCE
Input Voltage-Max 5.5 V
Input Voltage-Min 4.146 V
JESD-30 Code R-PDSO-G3
JESD-609 Code e4
Length 2.92 mm
Moisture Sensitivity Level 1
Number of Functions 1
Number of Outputs 1
Number of Terminals 3
Operating Temperature-Max 125 °C
Operating Temperature-Min -40 °C
Output Current-Max 0.01 A
Output Voltage-Max 4.1042 V
Output Voltage-Min 4.0878 V
Output Voltage-Nom 4.096 V
Package Body Material PLASTIC/EPOXY
Package Code TSSOP
Package Equivalence Code TO-236
Package Shape RECTANGULAR
Package Style SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Cel) 260
Qualification Status Not Qualified
Seated Height-Max 1.12 mm
Supply Voltage-Max (Vsup) 5.5 V
Supply Voltage-Min (Vsup) 4.146 V
Supply Voltage-Nom (Vsup) 5 V
Surface Mount YES
Technology CMOS
Temp Coef of Voltage-Max 20 ppm/°C
Temperature Grade AUTOMOTIVE
Terminal Finish Nickel/Palladium/Gold/Silver (Ni/Pd/Au/Ag)
Terminal Form GULL WING
Terminal Pitch 0.95 mm
Terminal Position DUAL
Time@Peak Reflow Temperature-Max (s) NOT SPECIFIED
Trim/Adjustable Output NO
Voltage Tolerance-Max 0.2%
Width 1.3 mm

Alternate Parts for REF3140AIDBZTG4

This table gives cross-reference parts and alternative options found for REF3140AIDBZTG4. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of REF3140AIDBZTG4, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.

Part Number Manufacturer Composite Price Description Compare
REF3140AIDBZRG4 Texas Instruments Check for Price 4-V, 20-ppm/°C max, 100-µA, 3-pin SOT-23 series voltage reference 3-SOT-23 -40 to 125 REF3140AIDBZTG4 vs REF3140AIDBZRG4
Part Number Manufacturer Composite Price Description Compare
REF3140AQDBZRQ1 Texas Instruments $1.5585 Automotive, 20-ppm/°C (max), 100-µA, 3-pin SOT-23 series voltage reference 3-SOT-23 -40 to 125 REF3140AIDBZTG4 vs REF3140AQDBZRQ1
REF3140AIDBZR Texas Instruments $1.5275 4-V, 20-ppm/°C max, 100-µA, 3-pin SOT-23 series voltage reference 3-SOT-23 -40 to 125 REF3140AIDBZTG4 vs REF3140AIDBZR
REF3140AIDBZT Texas Instruments $1.4705 4-V, 20-ppm/°C max, 100-µA, 3-pin SOT-23 series voltage reference 3-SOT-23 -40 to 125 REF3140AIDBZTG4 vs REF3140AIDBZT
REF3240AMDBVREPG4 Texas Instruments Check for Price Enhanced Product 4 Ppm/Degreesc 100 Ua Sot23-6 Series Voltage References 6-SOT-23 -55 to 125 REF3140AIDBZTG4 vs REF3240AMDBVREPG4
LT1790AIS6-4.096 Linear Technology Check for Price LT1790 - Micropower SOT-23 Low Dropout Reference Family; Package: SOT; Pins: 6; Temperature Range: -40°C to 85°C REF3140AIDBZTG4 vs LT1790AIS6-4.096
MAX6070DAUT41/V+T Analog Devices Inc Check for Price Low-Noise, High-Precision Series Voltage References, 6-SOT_23-N/A, 6 Pins, -40 to 125C REF3140AIDBZTG4 vs MAX6070DAUT41/V+T
REF3240AIDBVRG4 Texas Instruments Check for Price 4.096-V 4-ppm/°C, 100-µA 6-pin SOT-23 series (bandgap) voltage reference 6-SOT-23 -40 to 125 REF3140AIDBZTG4 vs REF3240AIDBVRG4
REF3240AIDBVR Texas Instruments Check for Price 4.096-V 4-ppm/°C, 100-µA 6-pin SOT-23 series (bandgap) voltage reference 6-SOT-23 -40 to 125 REF3140AIDBZTG4 vs REF3240AIDBVR
LT1790BIS6-4.096 Linear Technology Check for Price LT1790 - Micropower SOT-23 Low Dropout Reference Family; Package: SOT; Pins: 6; Temperature Range: -40°C to 85°C REF3140AIDBZTG4 vs LT1790BIS6-4.096
LT1790AIS6-4.096 Analog Devices Inc Check for Price Three Terminal Voltage Reference, 1 Output, 4.096V, BIPolar, PDSO6 REF3140AIDBZTG4 vs LT1790AIS6-4.096

REF3140AIDBZTG4 Related Parts

REF3140AIDBZTG4 Frequently Asked Questions (FAQ)

  • A good PCB layout for the REF3140AIDBZTG4 involves keeping the analog and digital grounds separate, using a solid ground plane, and placing the device close to the power supply. Additionally, it's recommended to use a 4-layer PCB with a dedicated analog layer to minimize noise and crosstalk.

  • To ensure proper calibration, follow the calibration procedure outlined in the datasheet, which involves shorting the CAL pin to the VREF pin and then connecting the CAL pin to the output of a precision voltage source. Additionally, consider using a calibration resistor network to fine-tune the output voltage.

  • The REF3140AIDBZTG4 has a maximum junction temperature of 150°C. To ensure it operates within its specified temperature range, provide adequate heat sinking, use a thermally conductive PCB material, and avoid high-power dissipation components nearby. Also, consider using thermal interface materials to improve heat transfer.

  • To prevent damage or incorrect operation, ensure that the power-up and power-down sequencing follows the recommended sequence outlined in the datasheet. Specifically, power up the device in the following order: VCC, VREF, and then VIN. During power-down, reverse this sequence.

  • To minimize electromagnetic interference, use a shielded enclosure, keep the device away from high-frequency sources, and use a low-pass filter on the output. Additionally, consider using a common-mode choke or ferrite bead on the input and output lines to reduce EMI.