ADR391AUJZ-REEL7
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Analog Devices Inc. ADR391AUJZ-REEL7

Manufacturer No:
ADR391AUJZ-REEL7
Manufacturer:
Analog Devices Inc.
Package:
Tape & Reel (TR)
Description:
IC VREF SERIES 0.24% TSOT5
Delivery:
Payment:
iso14001
iso45001
iso9001
iso13485

Product Introduction

Overview

The ADR391AUJZ-REEL7 is a precision 2.5V micropower voltage reference produced by Analog Devices Inc. This component is part of the ADR39x family, which features low power consumption and high precision in a compact footprint. The ADR391 utilizes patented temperature drift curvature correction techniques, resulting in a low temperature coefficient of 9 ppm/°C for the B grade and 25 ppm/°C for the A grade. This device is designed to provide a stable output voltage with a minimum supply voltage headroom of 300 mV above the output voltage, making it ideal for battery-operated applications.

Key Specifications

Parameter Symbol Conditions Min Typ Max Unit
Output Voltage VO A grade 2.494 2.5 2.506 V
B grade 2.496 2.5 2.504 V
Initial Accuracy VOERR A grade 6 mV mV
A grade 0.24 % %
B grade 4 mV mV
B grade 0.16 % %
Temperature Coefficient TCVO A grade, −40°C < TA < +125°C 25 ppm/°C ppm/°C
B grade, −40°C < TA < +125°C 9 ppm/°C ppm/°C
Supply Voltage Headroom VIN − VO 300 mV mV
Line Regulation ΔVO/ΔVIN VIN = 2.8 V to 15 V, −40°C < TA < +125°C 10 - 25 ppm/V ppm/V
Load Regulation ΔVO/ΔILOAD ILOAD = 0 mA to 5 mA, −40°C < TA < +85°C, VIN = 3 V 60 ppm/mA ppm/mA
Operating Temperature Range −40°C +125°C °C
Storage Temperature Range −65°C +125°C °C
Package Type 5-Lead TSOT

Key Features

  • High Precision: The ADR391 offers high precision with initial accuracy of ±4 mV (B grade) and ±6 mV (A grade).
  • Low Temperature Coefficient: Achieves a low temperature coefficient of 9 ppm/°C for the B grade and 25 ppm/°C for the A grade.
  • Low Power Operation: Micropower consumption, making it suitable for battery-operated applications.
  • Compact Package: Available in a 5-lead TSOT package, which is small and space-efficient.
  • No External Capacitors Required: The advanced design eliminates the need for external capacitors, reducing board space and system cost.
  • Stable Output Voltage: Provides a stable output voltage from a minimum supply of 300 mV above the output voltage.

Applications

  • Battery-Operated Devices: Ideal for battery-operated applications due to its low power consumption and high precision.
  • Portable Electronics: Suitable for use in portable electronics where space and power efficiency are critical.
  • Industrial Automation: Can be used in industrial automation systems where stable and precise voltage references are required.
  • Medical Devices: Applicable in medical devices that require high precision and reliability.

Q & A

  1. What is the output voltage of the ADR391?

    The output voltage of the ADR391 is 2.5V.

  2. What is the temperature coefficient of the ADR391?

    The temperature coefficient of the ADR391 is 9 ppm/°C for the B grade and 25 ppm/°C for the A grade.

  3. What is the minimum supply voltage headroom required for the ADR391?

    The minimum supply voltage headroom required is 300 mV above the output voltage.

  4. Does the ADR391 require external capacitors?

    No, the ADR391 does not require external capacitors due to its advanced design.

  5. What is the operating temperature range of the ADR391?

    The operating temperature range is −40°C to +125°C.

  6. What package type is the ADR391 available in?

    The ADR391 is available in a 5-lead TSOT package.

  7. Is the ADR391 suitable for battery-operated applications?

    Yes, the ADR391 is highly suitable for battery-operated applications due to its low power consumption and high precision.

  8. What is the initial accuracy of the ADR391?

    The initial accuracy is ±4 mV for the B grade and ±6 mV for the A grade.

  9. How does the ADR391 manage temperature drift?

    The ADR391 uses patented temperature drift curvature correction techniques to manage temperature drift.

  10. What are some common applications of the ADR391?

    Common applications include battery-operated devices, portable electronics, industrial automation, and medical devices.

Product Attributes

Reference Type:Series
Output Type:Fixed
Voltage - Output (Min/Fixed):2.5V
Voltage - Output (Max):- 
Current - Output:5 mA
Tolerance:±0.24%
Temperature Coefficient:25ppm/°C
Noise - 0.1Hz to 10Hz:5µVp-p
Noise - 10Hz to 10kHz:- 
Voltage - Input:2.8V ~ 15V
Current - Supply:140µA
Current - Cathode:- 
Operating Temperature:-40°C ~ 125°C (TA)
Mounting Type:Surface Mount
Package / Case:SOT-23-5 Thin, TSOT-23-5
Supplier Device Package:TSOT-23-5
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Similar Products

Part Number ADR391AUJZ-REEL7 ADR392AUJZ-REEL7 ADR395AUJZ-REEL7 ADR391BUJZ-REEL7 ADR361AUJZ-REEL7 ADR390AUJZ-REEL7
Manufacturer Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc.
Product Status Active Active Active Active Active Obsolete
Reference Type Series Series Series Series Series -
Output Type Fixed Fixed Fixed Fixed Fixed -
Voltage - Output (Min/Fixed) 2.5V 4.096V 5V 2.5V 2.5V -
Voltage - Output (Max) - - - - - -
Current - Output 5 mA 5 mA 5 mA 5 mA 5 mA -
Tolerance ±0.24% ±0.15% ±0.12% ±0.16% ±0.24% -
Temperature Coefficient 25ppm/°C 25ppm/°C 25ppm/°C 9ppm/°C 25ppm/°C -
Noise - 0.1Hz to 10Hz 5µVp-p 7µVp-p 8µVp-p 5µVp-p 8.25µVp-p -
Noise - 10Hz to 10kHz - - - - - -
Voltage - Input 2.8V ~ 15V 4.3V ~ 15V 5.3V ~ 15V 2.8V ~ 15V 2.8V ~ 15V -
Current - Supply 140µA 140µA 140µA 140µA 190µA -
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 Surface Mount
Package / Case SOT-23-5 Thin, TSOT-23-5 SOT-23-5 Thin, TSOT-23-5 SOT-23-5 Thin, TSOT-23-5 SOT-23-5 Thin, TSOT-23-5 SOT-23-5 Thin, TSOT-23-5 SOT-23-5 Thin, TSOT-23-5
Supplier Device Package TSOT-23-5 TSOT-23-5 TSOT-23-5 TSOT-23-5 TSOT-23-5 TSOT-23-5

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