AD8495ARMZ Analog Temperature Sensors by Analog Devices

Analog Temperature Sensors
Status: Production
Series: AD8495
RoHS: Compliant
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The AD8494/AD8495/AD8496/AD8497 are precision instrumentation amplifiers with thermocouple cold junction compensators on an integrated circuit. They produce a high level (5 mV/°C) output directly from a thermocouple signal by combining an ice point reference with a precalibrated amplifier. They can be used as standalone thermometers or as switched output setpoint controllers using either a fixed or remote setpoint control.The AD8494/AD8495/AD8496/AD8497 can be powered from a single-ended supply (less than 3 V) and can measure temperatures below 0°C by offsetting the reference input. To minimize self-heating, an unloaded AD849x typically operates with a total supply current of 180 μA, but it is also capable of delivering in excess of ±5 mA to a load.The AD8494 and AD8496 are precalibrated by laser wafer trimming to match the characteristics of J type (iron-constantan) thermocouples; the AD8495 and AD8497 are laser trimmed to match the characteristics of K type (chromel-alumel) thermo-couples. See Table 1 on the data sheet for the optimized ambient temperature range of each part.The AD8494/AD8495/AD8496/AD8497 allow a wide variety of supply voltages. With a 5 V single supply, the 5 mV/°C output allows the devices to cover nearly 1000 degrees of a thermo-couple’s temperature range.The AD8494/AD8495/AD8496/AD8497 work with 3 V supplies, allowing them to interface directly to lower supply ADCs. They can also work with supplies as large as 36 V in industrial systems that require a wide common-mode input range.Product Highlights Complete, precision laser wafer trimmed thermocouple signal conditioning system in a single IC package. Flexible pinout provides for operation as a setpoint controller or as a standalone Celsius thermometer. Rugged inputs withstand 4 kV ESD and provide over-voltage protection (OVP) up to VS ± 25 V. Differential inputs reject common-mode noise on the thermocouple leads. Reference pin voltage can be offset to measure 0°C on single supplies. Available in a small, 8-lead MSOP that is fully RoHS compliant.

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Features

Low cost and easy to use
Pretrimmed for K type thermocouples
Internal cold junction compensation
High impedance differential input
Standalone 5 mV/°C thermometer
Reference pin allows offset adjustment
Thermocouple break detection
See data sheet for additional features.

Last 6 months Inventory & Pricing History

Alternative Descriptions

Sensor Signal Conditioner, 125 Deg C | Newark Electronics
IC: temperature sensor | TME
SENSOR SIGNAL CONDITIONER, 125 DEG C | element14
Thermocouple InAmp | Analog Devices
Sensor and Detector Interface 36V 8-Pin MSOP Tube | Richardson RFPD

Frequently Asked Questions

Where can I find additional details, specifications and documents for a AD8495ARMZ?

Additional datasheets, footprints and schematics for AD8495ARMZ are listed on our Part Details page. You can also find images and similar parts to AD8495ARMZ on this page.

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What category does AD8495ARMZ fall under?

The AD8495ARMZ is listed under Analog Temperature Sensors.

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Is the AD8495ARMZ RoHS compliant?

Yes. This part has been flagged as RoHS Compliant by Analog Devices.

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Authorised distributors including Newark Electronics, TME, element14, Analog Devices and Farnell have stock available or on a lead time for AD8495ARMZ.

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