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LTC6652

PRODUCTION

Precision Low Drift Low Noise Buffered Reference

Data Sheet Product Selection Table
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Overview

  • Low Drift:
    • A-Grade 5ppm/°C Max
    • B-Grade 10ppm/°C Max (MSOP8)
    • B-Grade 8ppm/°C Max (LS8)
  • High Accuracy:
    • A-Grade ±0.05% Max
    • B-Grade ±0.1% Max
  • Low Noise: 2.1ppmP-P (0.1Hz to 10Hz)
  • 100% Tested at –40°C, 25°C and 125°C
  • Sinks and Sources Current: ±5mA
  • Low Power Shutdown: <2μA Maximum
  • Thermal Hysteresis (LS8): 45ppm (–40°C to 125°C)
  • Long-Term Drift (LS8): 20ppm/√kHr
  • Low Dropout: 300mV
  • Available Output Voltage Options: 1.25V, 2.048V, 2.5V, 3V, 3.3V, 4.096V, 5V
  • 8-Lead MSOP and 5mm × 5mm Surface Mount Hermetic Packages

The LTC6652 family of precision, low drift, low noise references is fully specified over the temperature range of –40°C to 125°C. High order curvature compensation allows these references to achieve a low drift of less than 5ppm/°C with a predictable temperature characteristic and an output voltage accuracy of ±0.05%. The performance over temperature should appeal to automotive, high performance industrial and other high temperature applications.

The LTC6652 voltage references can be powered from supply voltages up to 13.2V. They boast low noise, excellent load regulation, source and sink capability and exceptional line rejection, making them a superior choice for demanding precision applications. A shutdown mode allows power consumption to be reduced when the reference is not needed. The optional output capacitor can be left off when space constraints are critical.

The LTC6652 references are offered in an 8-lead MSOP package and an 8-lead LS8 package. The LS8 is a 5mm × 5mm surface mount hermetic package that provides outstanding stability.

Applications

  • Automotive Control and Monitoring
  • High Temperature Industrial
  • High Resolution Data Acquisition Systems
  • Instrumentation and Process Control
  • Precision Regulators
  • Medical Equipment
LTC6652
Precision Low Drift Low Noise Buffered Reference
Basic Connection Output Voltage Temperature Drift Product Package 1 Product Package 2
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Documentation

Data Sheet 1

Reliability Data 1

Design Note 1

Technical Articles 2

Data Sheet

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Hardware Ecosystem

Parts Product Life Cycle Description
Analog to Digital Converters (ADCs) 2
LTC2383-16
PRODUCTION 16-Bit, 1Msps, Low Power SAR ADC with Serial Interface
LTC2389-16
PRODUCTION 16-Bit, 2.5Msps SAR ADC with Pin-Configurable Analog Input Range and 96dB SNR
Matched Resistors & Transistors 1
LT5400
RECOMMENDED FOR NEW DESIGNS Quad Matched Resistor Network
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Latest Discussions

2 Years Ago
External reference selection for LTC2314-14 for 5 V VDD
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