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AD8494ARMZ: Analogue Temperature Sensors - Complete Type J 0° to 50° Range Thermocouple Amplifier with Integrated Cold Junction Compensation

Basic Information:

Model: AD8494ARMZ

Package: MSOP-8

Type: Analogue Temperature Sensor

The AD8494ARMZ is a precision instrumentation amplifier with integrated thermocouple cold junction compensator. The device can be powered from a single-ended supply (below 3 V); with a biased reference input, temperatures below 0°C can be measured. To keep self-heating effects small, the total supply current of the unloaded AD849x is 180 μA typical, but it can also supply more than ±5 mA to the load.

AD8494ARMZ - Product Features:

Low cost and easy to use

Pre-adjusted or J-type thermocouple

Internal cold junction compensation

High impedance differential input

Independent 5 mV/°C thermometer

Reference pin provides out-of-phase adjustment

Thermocouple disconnect detection

AD8494ARMZ - Product Features:

Complete, precision laser wafer tuned thermocouple signal conditioning system in a single IC package.

Flexible pin assignments allow it to be used as a set-point controller or stand-alone Celsius thermometer.

Ruggedised inputs can withstand 4 kV ESD and provide overvoltage protection (OVP) up to VS ± 25 V.

Differential inputs suppress common-mode noise on thermocouple pins.

With a single supply, the reference pin voltage can be biased to measure 0°C.

RoHS compliant in a small 8-pin MSOP package.

AD8494ARMZ - Applications:

Type J thermocouple temperature measurement

Setpoint Controllers

Celsius thermometers

General purpose cold junction compensators

White goods (oven, hob) temperature measurement

Exhaust gas temperature measurement

Catalytic converter temperature measurement

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• 6.Can the company issue an invoice?

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