ADR391BUJZ-REEL7
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Analog Devices Inc. ADR391BUJZ-REEL7

Manufacturer No:
ADR391BUJZ-REEL7
Manufacturer:
Analog Devices Inc.
Package:
Tape & Reel (TR)
Description:
IC VREF SERIES 0.16% TSOT5
Delivery:
Payment:
iso14001
iso45001
iso9001
iso13485

Product Introduction

Overview

The ADR391BUJZ-REEL7 is a precision 2.5 V band gap voltage reference produced by Analog Devices Inc. This component is part of the ADR39x family, known for its high precision, low power consumption, and compact footprint. The ADR391 utilizes patented temperature drift curvature correction techniques, ensuring a low temperature drift of 9 ppm/°C. This makes it ideal for applications requiring stable voltage references across a wide temperature range.

Key Specifications

Parameter Symbol Conditions Min Typ Max Unit
Output Voltage VO A grade 2.494 2.5 2.506 V
Output Voltage VO B grade 2.496 2.5 2.504 V
Initial Accuracy VOERR A grade 6 mV 0.24 %
Initial Accuracy VOERR B grade 4 mV 0.16 %
Temperature Coefficient TCVO A grade, −40°C < TA < +125°C 25 ppm/°C
Temperature Coefficient TCVO B grade, −40°C < TA < +125°C 9 ppm/°C
Supply Voltage Headroom VIN − VO 300 mV
Line Regulation ΔVO/ΔVIN VIN = 2.8 V to 15 V, −40°C < TA < +125°C 10 ppm/V 25 ppm/V
Load Regulation ΔVO/ΔILOAD ILOAD = 0 mA to 5 mA, −40°C < TA < +125°C, VIN = 6 V 140 ppm/mA

Key Features

  • High Precision: The ADR391 offers high precision with an initial accuracy of ±0.16% for B grade and ±0.24% for A grade.
  • Low Temperature Drift: Utilizes patented temperature drift curvature correction techniques, resulting in a low temperature drift of 9 ppm/°C for B grade and 25 ppm/°C for A grade.
  • Low Power Operation: Operates with low power consumption, making it suitable for battery-operated applications.
  • Compact Footprint: Available in a 5-lead TSOT package, reducing board space and system cost.
  • No External Capacitors Required: Advanced design eliminates the need for external capacitors, further reducing system complexity and cost.
  • Wide Supply Voltage Range: Can operate with a supply voltage range from 2.8 V to 15 V.

Applications

  • Battery-Operated Devices: Ideal for battery-powered systems due to its low power consumption and high precision.
  • Portable Electronics: Suitable for use in portable electronics where stable voltage references are crucial.
  • Industrial Control Systems: Can be used in industrial control systems requiring precise voltage references over a wide temperature range.
  • Medical Devices: Applicable in medical devices where high accuracy and stability are essential.

Q & A

  1. What is the output voltage of the ADR391?

    The output voltage of the ADR391 is 2.5 V.

  2. What is the temperature drift of the ADR391?

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

  3. What is the supply voltage range for the ADR391?

    The supply voltage range for the ADR391 is from 2.8 V to 15 V.

  4. Does the ADR391 require external capacitors?

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

  5. What is the initial accuracy of the ADR391?

    The initial accuracy of the ADR391 is ±0.16% for B grade and ±0.24% for A grade.

  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 devices?

    Yes, the ADR391 is suitable for battery-operated devices due to its low power consumption.

  8. What is the load regulation of the ADR391?

    The load regulation of the ADR391 is 140 ppm/mA for ILOAD = 0 mA to 5 mA, −40°C < TA < +125°C, VIN = 6 V.

  9. What is the line regulation of the ADR391?

    The line regulation of the ADR391 is 10 ppm/V to 25 ppm/V for VIN = 2.8 V to 15 V, −40°C < TA < +125°C.

  10. What are some typical applications of the ADR391?

    The ADR391 is typically used in battery-operated devices, portable electronics, industrial control systems, 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:±0.16%
Temperature Coefficient:9ppm/°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 ADR391BUJZ-REEL7 ADR392BUJZ-REEL7 ADR395BUJZ-REEL7 ADR361BUJZ-REEL7 ADR390BUJZ-REEL7 ADR391AUJZ-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 Obsolete Active
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 ±0.16% ±0.12% ±0.1% ±0.12% - ±0.24%
Temperature Coefficient 9ppm/°C 9ppm/°C 9ppm/°C 9ppm/°C - 25ppm/°C
Noise - 0.1Hz to 10Hz 5µVp-p 7µVp-p 8µVp-p 8.25µVp-p - 5µVp-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 190µA - 140µA
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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