REF3140AIDBZRG4
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Texas Instruments REF3140AIDBZRG4

Manufacturer No:
REF3140AIDBZRG4
Manufacturer:
Texas Instruments
Package:
Tape & Reel (TR)
Description:
IC VREF SERIES 0.2% SOT23-3
Delivery:
Payment:
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Product Introduction

Overview

The REF3140AIDBZRG4 is a precision, low-power, low-dropout series voltage reference from Texas Instruments. It is part of the REF31xx family, which offers a range of output voltages in a compact 3-pin SOT-23 package. This device is designed to provide stable voltage references with high accuracy and low noise, making it suitable for various applications requiring precise voltage regulation.

Key Specifications

ParameterTest ConditionsMinMaxUnit
Output Voltage (VOUT)TA = 25°C, ILOAD = 0 mA, VIN = 5 V4.08784.0964.1042V
Initial Accuracy-0.2%0.2%%
Output Voltage Noise (0.1Hz to 10Hz)53μVPP
Output Voltage Noise (10Hz to 10kHz)78μVRMS
Output Voltage Temperature Drift (0°C to 70°C)515ppm/°C
Output Voltage Temperature Drift (-40°C to +125°C)1020ppm/°C
Long-term Stability (0 to 1000 hours)70ppm
Line RegulationVREF + 0.05 ≤ VIN ≤ 5.5V2065ppm/V
Load Regulation (Sourcing)0mA < ILOAD < 10mA, VIN = VREF + 250mV1030μV/mA
Load Regulation (Sinking)-10mA < ILOAD < 0mA, VIN = VREF + 100mV1030μV/mA

Key Features

  • Precision voltage reference with output voltage of 4.096V
  • Low power consumption: 100 μA typical quiescent current
  • Low dropout voltage
  • High accuracy: ±0.2% initial accuracy
  • Low noise: 53 μVPP (0.1Hz to 10Hz), 78 μVRMS (10Hz to 10kHz)
  • Low temperature drift: 5 ppm/°C (0°C to 70°C), 10 ppm/°C (-40°C to +125°C)
  • Compact 3-pin SOT-23 package
  • Operating temperature range: -40°C to +125°C

Applications

The REF3140AIDBZRG4 is suitable for a variety of applications that require stable and precise voltage references. These include:

  • Data acquisition systems: Provides a stable reference voltage for analog-to-digital converters (ADCs) and other data acquisition components.
  • Microcontroller systems: Supports microcontrollers with precise voltage requirements.
  • Industrial control systems: Offers stable voltage references for industrial control and automation systems.
  • Medical devices: Used in medical devices where precise voltage regulation is critical.

Q & A

  1. What is the output voltage of the REF3140AIDBZRG4?
    The output voltage of the REF3140AIDBZRG4 is 4.096V.
  2. What is the typical quiescent current of the REF3140AIDBZRG4?
    The typical quiescent current is 100 μA.
  3. What is the initial accuracy of the REF3140AIDBZRG4?
    The initial accuracy is ±0.2%.
  4. What is the temperature drift of the REF3140AIDBZRG4?
    The temperature drift is 5 ppm/°C (0°C to 70°C) and 10 ppm/°C (-40°C to +125°C).
  5. What is the operating temperature range of the REF3140AIDBZRG4?
    The operating temperature range is -40°C to +125°C.
  6. What package type is the REF3140AIDBZRG4 available in?
    The REF3140AIDBZRG4 is available in a 3-pin SOT-23 package.
  7. What are some common applications for the REF3140AIDBZRG4?
    Common applications include data acquisition systems, microcontroller systems, industrial control systems, and medical devices.
  8. How much noise does the REF3140AIDBZRG4 produce?
    The output voltage noise is 53 μVPP (0.1Hz to 10Hz) and 78 μVRMS (10Hz to 10kHz).
  9. What is the line regulation of the REF3140AIDBZRG4?
    The line regulation is 20 ppm/V to 65 ppm/V.
  10. What is the load regulation of the REF3140AIDBZRG4?
    The load regulation is 10 μV/mA to 30 μV/mA for both sourcing and sinking currents.

Product Attributes

Reference Type:Series
Output Type:Fixed
Voltage - Output (Min/Fixed):4.096V
Voltage - Output (Max):- 
Current - Output:10 mA
Tolerance:±0.2%
Temperature Coefficient:20ppm/°C
Noise - 0.1Hz to 10Hz:53µVp-p
Noise - 10Hz to 10kHz:78µVrms
Voltage - Input:4.146V ~ 5.5V
Current - Supply:135µA
Current - Cathode:- 
Operating Temperature:-40°C ~ 125°C (TA)
Mounting Type:Surface Mount
Package / Case:TO-236-3, SC-59, SOT-23-3
Supplier Device Package:SOT-23-3
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Similar Products

Part Number REF3140AIDBZRG4 REF3140AIDBZTG4 REF3040AIDBZRG4 REF3120AIDBZRG4 REF3130AIDBZRG4
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Product Status Discontinued at Digi-Key Discontinued at Digi-Key Obsolete Discontinued at Digi-Key Discontinued at Digi-Key
Reference Type Series Series Series Series Series
Output Type Fixed Fixed Fixed Fixed Fixed
Voltage - Output (Min/Fixed) 4.096V 4.096V 4.096V 2.048V 3V
Voltage - Output (Max) - - - - -
Current - Output 10 mA 10 mA 25 mA 10 mA 10 mA
Tolerance ±0.2% ±0.2% ±0.2% ±0.2% ±0.2%
Temperature Coefficient 20ppm/°C 20ppm/°C 75ppm/°C 20ppm/°C 20ppm/°C
Noise - 0.1Hz to 10Hz 53µVp-p 53µVp-p 45µVp-p 27µVp-p 39µVp-p
Noise - 10Hz to 10kHz 78µVrms 78µVrms 128µVrms 39µVrms 57µVrms
Voltage - Input 4.146V ~ 5.5V 4.146V ~ 5.5V 4.146V ~ 5.5V 2.098V ~ 5.5V 3.05V ~ 5.5V
Current - Supply 135µA 135µA 50µA 135µA 135µA
Current - Cathode - - - - -
Operating Temperature -40°C ~ 125°C (TA) -40°C ~ 125°C (TA) -40°C ~ 125°C (TA) -40°C ~ 125°C (TA) -40°C ~ 125°C (TA)
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount
Package / Case TO-236-3, SC-59, SOT-23-3 TO-236-3, SC-59, SOT-23-3 TO-236-3, SC-59, SOT-23-3 TO-236-3, SC-59, SOT-23-3 TO-236-3, SC-59, SOT-23-3
Supplier Device Package SOT-23-3 SOT-23-3 SOT-23-3 SOT-23-3 SOT-23-3

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