ANALOG DEVICES  AD594AQ  Temperature Sensor IC, Voltage, ± 3°C, 0 °C, 300 °C, DIP, 14


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  • Manufacturer:
  • Newark Part No.: 05F7088
  • Manufacturer Part No AD594AQ

Product Overview

The AD594AQ is a Thermocouple Amplifier with cold junction compensator on a monolithic chip. It combines an ice point reference with a pre-calibrated amplifier to produce a high level (10mV/°C) output directly from a thermocouple signal. Pin-strapping options allow it to be used as a linear amplifier-compensator or as a switched output set point controller using either fixed or remote set point control. It can be used to amplify its compensation voltage directly, thereby converting it to a stand-alone Celsius transducer with a low impedance voltage output. Includes a thermocouple failure alarm that indicates if one or both thermocouple leads become open. The alarm output has a flexible format which includes TTL drive capability. This is pre-calibrated by laser wafer trimming to match the characteristic of type J (iron-constantan) thermocouples and this is laser trimmed for type K (chromel-alumel) inputs.
  • Can be used with type-T thermocouple input
  • 10mV/8C Low impedance voltage output
  • Built-in ice point compensation
  • +5 to 615V Wide power supply range
  • <1mW Typical low power
  • Thermocouple failure alarm
  • Self-contained Celsius thermometer operation
  • High impedance differential input
  • Side-brazed DIP or low cost CERDIP


Automation & Process Control; Signal Processing
It may be permanently damaged if they are grounded or connected to a low impedance. Internally frequency compensated for feedback ratios (corresponding to normal signal gain) of 75 or more.
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Product Specifications, Documents & More

  • IC Output Type: Voltage
  • MSL: -
  • No. of Pins: 14
  • Packaging: Each
  • SVHC: No SVHC (15-Jun-2015)
  • Sensing Accuracy Range: ± 3°C
  • Sensing Temperature Max: 300°C
  • Sensing Temperature Min: 0°C
  • Sensor Case Style: DIP
  • Supply Current: 160µA
  • Supply Voltage Max: 30V
  • Supply Voltage Min: 5V
  • Supply Voltage Range: 5V to 30V


Availability:  322

  • 322 in stock for same day shipping
Check stock and lead times
    More stock available week commencing 1/11/16

Price for: Each 1

Minimum order quantity: 1

Order multiple quantity: 1

Price: $16.03 $16.03



Quantity List Price
1 - 9 $16.03
10 - 24 $15.09
25 - 49 $14.57
50 - 99 $13.54
100 - 499 $12.77
500 - 999 $12.43
1000 - 2499 $11.32
2500+ $10.37

Legislation and Environmental

  • Moisture Sensitivity Level: -
  • RoHS Compliant: No
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