reichelt elektronik GmbH & Co. KG
Elektronikring 1
26452 Sande Germany

phone: +49 (0)4422 955-333
mail: info@reichelt.de
www.reichelt.de


AD 8495 AR :: Amplifier with cold junction comp. (K), MSOP-8

Item-No.: AD 8495 AR
€5,60
Category of goods: 1

AD 8495 AR

  • Product Description
  • Technical information
  • General
    • Modelname
    • Amplifier
    • Type
    • For thermocouplers
    • Design
    • Cold spot compensation (K)
    • Housing
    • MSOP-8
    • Mounting form
    • MSOP-8
    • Temperature range
    • -40…+125
  • Electrical values
    • Supply voltage
    • ±2,7 - ±18, 2,7 - 36 VDC
    • Input voltage
    • -2,9 - 34,4 VDC
    • Output voltage
    • -2,725 - 35,9 VDC
    • Igf
    • 0,18 - 0,25 mA
AD 8495 A
The AD8495 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 AD8495 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 AD8495 are precalibrated by laser wafer trimming to match the characteristics of J type (iron-constantan) thermocouples. See Table 1 for the optimized ambient temperature range.

• Low cost and easy to use
• Pretrimmed for J or K type thermocouples
• Internal cold junction compensation
• High impedance differential input
• Standalone 5 mV/°C thermometer
• Reference pin allows offset adjustment
• Thermocouple break detection
• Laser wafer trimmed to 1°C initial accuracy and 0.025°C/°C ambient temperature rejection
• Low power: <1 mW at VS = 5 V
• Wide power supply range
• Single supply: 2.7 V to 36 V
• Dual supply: ±2.7 V to ±18 V
• Small, 8-lead MSOP

APPLICATIONS
• K type thermocouple temperature measurement
• Setpoint controller
• Celsius thermometer
• Universal cold junction compensator
• White goods (oven, stove top) temperature measurements
• Exhaust gas temperature sensing
• Catalytic converter temperature sensing



Manufacturer : ANALOG DEVICES
Factory number : AD8495ARMZ
Package weight : 0.001 kg
RoHS : conform
Technical information
  • General
    • Modelname
    • Amplifier
    • Type
    • For thermocouplers
    • Design
    • Cold spot compensation (K)
    • Housing
    • MSOP-8
    • Mounting form
    • MSOP-8
    • Temperature range
    • -40…+125
  • Electrical values
    • Supply voltage
    • ±2,7 - ±18, 2,7 - 36 VDC
    • Input voltage
    • -2,9 - 34,4 VDC
    • Output voltage
    • -2,725 - 35,9 VDC
    • Igf
    • 0,18 - 0,25 mA
Datasheet/manual