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ADR3525

RECOMMENDED FOR NEW DESIGNS

Micropower, Precision, Auto Qualified 2.5V Voltage Reference

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Overview

  • Max temperature coefficient (TC) of 5ppm/ºC (B grade)
  • Max temperature coefficient (TC) of 8 ppm/°C (A grade)
  • Initial output voltage error: ±0.1% (maximum)
  • Operating temperature range: −40°C to +125°C
  • Output current: +10 mA source/−3 mA sink
  • Low quiescent current: 100 μA (maximum)
  • Long term drift (LTD): 30 ppm (initial 1 khr typical)
  • Low dropout voltage: 250 mV at 2 mA
  • Output noise (0.1 Hz to 10 Hz): 18μVp-p at 2.5V (typical)
  • Qualified for automotive applications

The ADR3525W, ADR3530W, ADR3533W, ADR3540W, and ADR3550W are low cost, low power, high precision CMOS voltage references, featuring a maximum temperature coefficient (TC) of 5 ppm/°C (B grade), 8 ppm/°C (A grade), low operating current, and low output noise in an 8-lead MSOP package. For high accuracy, the output voltage and temperature coefficient are trimmed digitally during final assembly using Analog Devices, Inc., patented DigiTrim® technology.

The low output voltage hysteresis and low long-term output voltage drift improve lifetime system accuracy.

These CMOS references are available in five output voltages, all of which are specified over the automotive temperature range of −40°C to +125°C.

APPLICATIONS

  • Auto battery monitors
  • Portable instrumentation
  • Process transmitters
  • Remote sensors
  • Medical Instrumentation

ADR3525
Micropower, Precision, Auto Qualified 2.5V Voltage Reference
ADR3525/ADR3530/ADR3533/ADR3540/ADR3550 Functional Block Diagram ADR3525/ADR3530/ADR3533/ADR3540/ADR3550 Pin Configuration
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