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描述

The LTR30 series devices are low temperature drift (30 ppm/⁰C maximum), low-power, high-precision CMOS

voltage reference, featuring ±0.15% initial accuracy, low operating current with power consumption less than

500 μA. This device also offers very low output noise of 15 μVPP/V, which enables its ability to maintain high

signal integrity with high-resolution data converters in noise critical systems.

Packaged in the same SOT-23-3 package, LTR30xx offers enhanced specifications and pin-to-pin replacement

for REF30xx and LM4132. Stability and system reliability are further improved by the low output-voltage

hysteresis of the device and low long-term output voltage drift. LTR30xx is specified for the wide temperature

range of −40 to +125⁰C.


优势和特点

  • Voltage options: 1.25 V, 2.048 V, 2.5 V, 3.0 V, 3.3 V, 4.096 V
  • Initial accuracy: ±0.15% (maximum)
  • Low temperature coefficient: 30 ppm/⁰C (maximum)
  • Output 1/f noise at 0.1 to 10 Hz: 20 μVPP/V
  • Supply voltage: 2.7 to 5.5 V
  • Power consumption: < 500 μA
  • Startup time: < 400 μs
  • Operating temperature: −40 to 125⁰C
  • Output Current: ±5 mA


应用

  • Data acquisition (DAQ)、
  • PLC analog I/O modules
  • Field transmitters
  • Motor drive control module
  • Battery test equipment
  • LCR meters


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