AD597
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AD597

Type K Thermocouple Conditioner and Setpoint Controller

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warning : NOT RECOMMENDED FOR NEW DESIGNS tooltip
warning : NOT RECOMMENDED FOR NEW DESIGNS tooltip
Part Details
Part Models 2
1ku List Price Starting From $4.59
Features
  • Operates with Type J (AD596) or Type K (AD597) Thermocouples
  • Built-In Ice Point Compensation
  • Temperature Proportional Operation – 10 mV/°C
  • Low Cost
  • Temperature Setpoint Operation – ON/OFF
  • Programmable Switching Hysteresis
  • High Impedance Differential Input
Additional Details
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The AD596/AD597 is a monolithic temperature setpoint controller which has been optimized for use at elevated temperatures such as those found in oven control applications. The device cold junction compensates and amplifies a type J or K thermocouple input to derive an internal signal proportional to temperature. The internal signal is then compared with an externally applied setpoint voltage to yield a low impedance switched output voltage. Dead-Band or switching hysteresis can be programmed using a single external resistor. Alternately, the AD596/ AD597 can be configured to provide a voltage output (10 mV/°C) directly from a type J or K thermocouple signal. It can also be used as a stand-alone voltage output temperature sensor.

The AD596/AD597 can be powered with a single supply from +5 V to +30 V, or dual supplies up to a total span of 36 V. Typical quiescent supply current is 160 µA which minimizes self-heating errors.

The AD596/AD597 H package option includes a thermocouple failure alarm that indicates an open thermocouple lead when operated in the temperature proportional measurement mode. The alarm output has a flexible format which can be used to drive relays, LEDs or TTL logic.

The device is packaged in a reliability qualified, cost effective 10-pin metal can, 8-pin plastic mini-DIP or SOIC and is trimmed to operate over an ambient temperature range from +25°C to +100°C. Operation over an extended ambient temperature range is possible with slightly reduced accuracy. The AD596 will amplify thermocouple signals covering the entire -200°C to +760°C temperature range recommended for type J thermocouples while the AD597 can accommodate -200°C to +1250°C type K inputs.

The AD596/AD597 has a calibration accuracy of ±4°C at an ambient temperature of 60°C and an ambient temperature stability specification of 0.05°C/°C from +25°C to +100°C. If higher accuracy, or a lower ambient operating temperature is required, either the AD594 (J thermocouple) or AD595 (K thermocouple) should be considered.

Part Models 2
1ku List Price Starting From $4.59

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Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
AD597AHZ
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AD597ARZ
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Product Lifecycle

PCN

Nov 9, 2011

- 11_0050

Transfer of ADI Hermetics Assembly location from Paranaque, Manila to General Trias, Cavite Philippines

Nov 9, 2011

- 11_0182

Test Site Transfer from Analog Devices Philippines Inc in Paranaque to Analog Devices General Trias in Cavite, Philippines

Apr 21, 2021

- 21_0080

Amkor Philippines as an Alternate Site for SOICN

Nov 13, 2013

- 13_0265

Qualification of ASE Chungli, as an Alternate Assembly Site for Select 8L and 14L SOICN Packages

Filter by Model

reset

Reset Filters

Part Models

Product Lifecycle

PCN

Nov 9, 2011

- 11_0050

arrow down

Transfer of ADI Hermetics Assembly location from Paranaque, Manila to General Trias, Cavite Philippines

Nov 9, 2011

- 11_0182

arrow down

Test Site Transfer from Analog Devices Philippines Inc in Paranaque to Analog Devices General Trias in Cavite, Philippines

Apr 21, 2021

- 21_0080

arrow down

Amkor Philippines as an Alternate Site for SOICN

Nov 13, 2013

- 13_0265

arrow down

Qualification of ASE Chungli, as an Alternate Assembly Site for Select 8L and 14L SOICN Packages

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