REF2933AIDBZR
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Texas Instruments REF2933AIDBZR

Manufacturer No:
REF2933AIDBZR
Manufacturer:
Texas Instruments
Package:
Tape & Reel (TR)
Description:
IC VREF SERIES 2% SOT23-3
Delivery:
Payment:
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Product Introduction

Overview

The REF2933AIDBZR is a precision, low-power voltage reference from Texas Instruments. It is part of the REF29xx family, which is known for its high accuracy and stability. This component is available in a compact 3-pin SOT-23 package, making it ideal for space-constrained and battery-powered applications. The REF2933AIDBZR operates with a low quiescent current of 50 µA and features a low dropout voltage, allowing it to be used in a wide range of supply voltages.

Key Specifications

ParameterValueUnit
Output Voltage3.3V
Output Voltage Tolerance±2%
Supply Voltage Range3.35 to 5.5V
Maximum Load Current25mA
Quiescent Current50µA
Temperature Coefficient100ppm/°C
Operating Temperature Range-40 to 125°C
Package TypeSOT-23 (DBZ)
ESD Rating (HBM)±4000V
ESD Rating (CDM)±1500V

Key Features

  • Precision Voltage Reference: The REF2933AIDBZR provides a highly accurate output voltage with a temperature coefficient of 100 ppm/°C.
  • Low Power Consumption: It operates with a quiescent current of 50 µA, making it suitable for battery-powered devices.
  • Low Dropout Voltage: The device can operate with a supply voltage just 1 mV above the output voltage in an unloaded condition.
  • No Load Capacitor Required: The REF2933AIDBZR is stable without a load capacitor, although it can handle any capacitive load.
  • Wide Operating Temperature Range: It is specified for temperatures ranging from -40°C to 125°C.
  • Low Noise Performance: The device generates noise less than 50 µV PP between frequencies of 0.1 Hz to 10 Hz.
  • Long-Term Stability: It exhibits minimal long-term drift, with a typical value of 24 ppm from 0 to 1000 hours.

Applications

  • Portable and Battery-Powered Equipment: Ideal for devices where low power consumption and high accuracy are crucial.
  • Data Acquisition Systems: Provides stable voltage references necessary for maintaining accuracy in data acquisition systems.
  • Medical Equipment: Suitable for medical devices requiring precise voltage references.
  • Hand-Held Test Equipment: Used in test equipment where compact size and low power are essential.

Q & A

  1. What is the output voltage of the REF2933AIDBZR?
    The output voltage of the REF2933AIDBZR is 3.3 V with a tolerance of ±2%.
  2. What is the quiescent current of the REF2933AIDBZR?
    The quiescent current is 50 µA.
  3. What is the temperature coefficient of the REF2933AIDBZR?
    The temperature coefficient is 100 ppm/°C.
  4. Does the REF2933AIDBZR require a load capacitor?
    No, the REF2933AIDBZR does not require a load capacitor but can handle any capacitive load.
  5. What is the operating temperature range of the REF2933AIDBZR?
    The operating temperature range is -40°C to 125°C.
  6. What is the maximum load current of the REF2933AIDBZR?
    The maximum load current is 25 mA.
  7. Is the REF2933AIDBZR RoHS compliant?
  8. What is the package type of the REF2933AIDBZR?
    The package type is SOT-23 (DBZ).
  9. What are the ESD ratings for the REF2933AIDBZR?
    The ESD ratings are ±4000 V for the Human-Body Model (HBM) and ±1500 V for the Charged-Device Model (CDM).
  10. How does the REF2933AIDBZR perform in terms of noise?
    The device generates noise less than 50 µV PP between frequencies of 0.1 Hz to 10 Hz.

Product Attributes

Reference Type:Series
Output Type:Fixed
Voltage - Output (Min/Fixed):3.3V
Voltage - Output (Max):- 
Current - Output:25 mA
Tolerance:±2%
Temperature Coefficient:100ppm/°C
Noise - 0.1Hz to 10Hz:36µVp-p
Noise - 10Hz to 10kHz:105µVrms
Voltage - Input:3.35V ~ 5.5V
Current - Supply:59µA
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 REF2933AIDBZR REF2933AIDBZT REF2930AIDBZR
Manufacturer Texas Instruments Texas Instruments Texas Instruments
Product Status Active Active Active
Reference Type Series Series Series
Output Type Fixed Fixed Fixed
Voltage - Output (Min/Fixed) 3.3V 3.3V 3V
Voltage - Output (Max) - - -
Current - Output 25 mA 25 mA 25 mA
Tolerance ±2% ±2% ±2%
Temperature Coefficient 100ppm/°C 100ppm/°C 100ppm/°C
Noise - 0.1Hz to 10Hz 36µVp-p 36µVp-p 33µVp-p
Noise - 10Hz to 10kHz 105µVrms 105µVrms 94µVrms
Voltage - Input 3.35V ~ 5.5V 3.35V ~ 5.5V 3.05V ~ 5.5V
Current - Supply 59µA 59µA 59µA
Current - Cathode - - -
Operating Temperature -40°C ~ 125°C (TA) -40°C ~ 125°C (TA) -40°C ~ 125°C (TA)
Mounting Type 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
Supplier Device Package SOT-23-3 SOT-23-3 SOT-23-3

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