AD594AD The Analog Devices AD594AD is a monolithic thermocouple amplifier with built-in cold junction compensation. It provides a low impedance voltage output of 10mV/°C and supports Type J, K, and T thermocouples.
Mfr Part #:

AD594AD

Available from 2 distributors
Mfr Name: Analog Devices / Maxim Integrated
Analog Devices / Maxim Integrated
The Analog Devices AD594AD is a monolithic thermocouple amplifier with built-in cold junction compensation. It provides a low impedance voltage output of 10mV/°C and supports Type J, K, and T thermocouples.
Total Stock: 2,013 pcs
$ Price Range: $2.06

AD594AD Available from 2 distributors

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Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
2,002 pcs
2002 pcs On Request 1 On Request On Request 24+ On Request On Request
Non-Authorised Inventory information
11 pcs
11 pcs On Request 1 On Request On Request On Request On Request On Request

AD594AD Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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Operating Temperature
Output Alarm
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AD594AD Description

Short technical summary and product information.

The AD594AD from Analog Devices is a complete instrumentation amplifier and thermocouple cold junction compensator integrated onto a single monolithic chip. It combines an ice point reference with a precalibrated amplifier to deliver a high-level output of 10mV/°C directly from a thermocouple signal.

 

This device is pretrimmed for Type J (AD594) or Type K (AD595) thermocouples and can also be used with Type T inputs. It features a wide power supply range from +5V to ±15V and operates across a broad temperature range of -55°C to 125°C. The AD594AD includes a thermocouple failure alarm and can be configured for setpoint mode operation or as a self-contained Celsius thermometer.

 

Available in a 14-pin CDIP package, the AD594AD is designed for through-hole mounting. Its high impedance differential input helps reject common-mode noise, making it suitable for accurate temperature measurements in various applications. The laser wafer trimming ensures a calibration accuracy of typically ±1°C.

AD594AD Quick Information

Product Type: Thermocouple Amplifier
Canonical Name: Analog Devices / Maxim Integrated AD594AD Monolithic Thermocouple Amplifier
Subcategory: Thermocouple Amplifier

AD594AD Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

AD594AD Estimated Pricing

Qty Low High
1+ $2.06 $2.06

Estimated market price range - modelled values for guidance only, not live distributor offers.

AD594AD Features

  • Monolithic thermocouple amplifier with cold junction compensation.
  • Provides a 10mV/°C low impedance voltage output.
  • Supports Type J, K, and T thermocouple inputs.
  • Wide operating temperature range of -55°C to 125°C.
  • Available in a 14-pin CDIP through-hole package.

AD594AD Applications

  • Cold-junction compensation for thermocouple inputs.
  • Overload detection in temperature sensing systems.
  • Alarm output for temperature threshold monitoring.
  • High-accuracy industrial temperature measurement.
  • HVAC and process control temperature conditioning.

AD594AD FAQs

7 frequently asked questions generated from this part’s specifications.
What thermocouple types are supported?

The AD594AD supports Type J, K, and T thermocouples.

What is the output voltage scaling?

The output voltage scales at 10 mV per °C.

What is the supply voltage range?

The AD594AD can be powered from a single +5V supply or dual ±15V supplies.

What is the power consumption?

Typical power consumption is less than 1 mW.

What is the calibration accuracy?

Calibration accuracy is ±1°C.

What is the operating temperature range?

The operating temperature range is -55°C to 125°C.

What is the package type?

The AD594AD is packaged in a 14-lead ceramic DIP (14-CDIP).

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