REF5050IDGKT
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Texas Instruments REF5050IDGKT

Manufacturer No:
REF5050IDGKT
Manufacturer:
Texas Instruments
Package:
Tape & Reel (TR)
Description:
IC VREF SERIES 0.05% 8VSSOP
Delivery:
Payment:
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Product Introduction

Overview

The REF5050IDGKT is a part of the REF50xx family of low-noise, very low drift, precision voltage references produced by Texas Instruments. These voltage references are designed to offer high accuracy and stability, making them ideal for applications requiring precise voltage regulation. The REF5050IDGKT is available in an 8-pin VSSOP package and is specified to operate over a temperature range of –40°C to 125°C.

Key Specifications

ParameterMinTypMaxUnit
Output Voltage4.955.05.05V
Initial Accuracy (High Grade)-0.05%0.05%
Initial Accuracy (Standard Grade)-0.1%0.1%
Temperature Drift (High Grade)2.53ppm/°C
Temperature Drift (Standard Grade)38ppm/°C
Noise (Low Frequency)3μVPP/V
Noise (Output Voltage)0.9μVRMS/V
Output Current-1010mA
Operating Temperature Range-40125°C
Input Voltage RangeVOUT + 0.218V
Quiescent Current0.811.2mA
Turn-On Settling Time200μs

Key Features

  • Low temperature drift: High-grade models offer a maximum drift of 3 ppm/°C, while standard-grade models offer up to 8 ppm/°C.
  • High accuracy: Initial accuracy of ±0.05% for high-grade models and ±0.1% for standard-grade models.
  • Low noise: Low-frequency noise of 3 μVPP/V and output voltage noise of 0.9 μVRMS/V.
  • Excellent long-term stability: Stability of 22 ppm after the first 1000 hours for SOIC-8 packages and 50 ppm for VSSOP-8 packages.
  • High-output current: Capable of sourcing and sinking up to ±10 mA.
  • Temperature monitoring: The TEMP pin provides a temperature-dependent output voltage, useful for indicating temperature changes or for temperature compensation.

Applications

  • Precision data acquisition systems
  • Semiconductor test equipment
  • Industrial process controls
  • Medical instrumentation
  • Pressure and temperature transmitters
  • Lab and field instrumentation.

Q & A

  1. What is the REF5050IDGKT used for?
    The REF5050IDGKT is used as a precision voltage reference in various applications requiring high accuracy and low drift, such as precision data acquisition systems, semiconductor test equipment, and medical instrumentation.
  2. What are the key specifications of the REF5050IDGKT?
    The key specifications include an output voltage of 5.0 V, initial accuracy of ±0.05% for high-grade models, temperature drift of up to 3 ppm/°C, and an operating temperature range of –40°C to 125°C.
  3. What is the noise performance of the REF5050IDGKT?
    The REF5050IDGKT has a low-frequency noise of 3 μVPP/V and an output voltage noise of 0.9 μVRMS/V.
  4. How much current can the REF5050IDGKT source or sink?
    The REF5050IDGKT can source or sink up to ±10 mA.
  5. What is the purpose of the TEMP pin on the REF5050IDGKT?
    The TEMP pin provides a temperature-dependent output voltage, which can be used to indicate temperature changes or for temperature compensation in analog circuitry.
  6. What are the package options for the REF5050IDGKT?
    The REF5050IDGKT is available in an 8-pin VSSOP package.
  7. What is the long-term stability of the REF5050IDGKT?
    The long-term stability is 22 ppm after the first 1000 hours for SOIC-8 packages and 50 ppm for VSSOP-8 packages.
  8. What is the turn-on settling time of the REF5050IDGKT?
    The turn-on settling time is approximately 200 μs to reach 0.1% of the final output voltage.
  9. What are the recommended operating conditions for the REF5050IDGKT?
    The recommended operating conditions include an input voltage range of VOUT + 0.2 V to 18 V and an operating temperature range of –40°C to 125°C.
  10. How does the REF5050IDGKT handle line and load regulation?
    The REF5050IDGKT has excellent line and load regulation, with line regulation of 0.1 ppm/V and load regulation of 20 ppm/mA.

Product Attributes

Reference Type:Series
Output Type:Fixed
Voltage - Output (Min/Fixed):5V
Voltage - Output (Max):- 
Current - Output:10 mA
Tolerance:±0.05%
Temperature Coefficient:3ppm/°C
Noise - 0.1Hz to 10Hz:3µVp-p
Noise - 10Hz to 10kHz:- 
Voltage - Input:5.2V ~ 18V
Current - Supply:1.2mA
Current - Cathode:- 
Operating Temperature:-40°C ~ 125°C (TA)
Mounting Type:Surface Mount
Package / Case:8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Supplier Device Package:8-VSSOP
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Similar Products

Part Number REF5050IDGKT REF6050IDGKT REF5010IDGKT REF5020IDGKT REF5030IDGKT REF5040IDGKT REF5050AIDGKT REF5050IDGKR
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Product Status Active Active Active Active Active Active Active Active
Reference Type Series Series Series Series Series Series Series Series
Output Type Fixed Fixed Fixed Fixed Fixed Fixed Fixed Fixed
Voltage - Output (Min/Fixed) 5V 5V 10V 2.048V 3V 4.096V 5V 5V
Voltage - Output (Max) - - - - - - - -
Current - Output 10 mA 3 mA 10 mA 10 mA 10 mA 10 mA 10 mA 10 mA
Tolerance ±0.05% ±0.05% ±0.05% ±0.05% ±0.05% ±0.05% ±0.1% ±0.05%
Temperature Coefficient 3ppm/°C 5ppm/°C 3ppm/°C 3ppm/°C 3ppm/°C 3ppm/°C 8ppm/°C 3ppm/°C
Noise - 0.1Hz to 10Hz 3µVp-p 3µVp-p 3µVp-p 3µVp-p 3µVp-p 3µVp-p 3µVp-p 3µVp-p
Noise - 10Hz to 10kHz - - - - - - - -
Voltage - Input 5.2V ~ 18V 5.3V ~ 5.5V 10.2V ~ 18V 2.7V ~ 18V 3.2V ~ 18V 4.296V ~ 18V 5.2V ~ 18V 5.3V ~ 18V
Current - Supply 1.2mA 1.15mA 1.2mA 1.2mA 1.2mA 1.2mA 1.2mA 1.2mA
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) -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 Surface Mount Surface Mount Surface Mount
Package / Case 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Supplier Device Package 8-VSSOP 8-VSSOP 8-VSSOP 8-VSSOP 8-VSSOP 8-VSSOP 8-VSSOP 8-VSSOP

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