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  • AD595 IC - Thermocouple Amplifier IC

The AD595 is a complete instrumentation amplifier and thermocouple cold junction compensator on a monolithic chip. It combines an ice point reference with a precalibrated amplifier to produce a high level (10 mV/°C) output directly from a thermocouple signal. Pin-strapping options allow it to be used as a linear amplifier-compensator or as a switched output setpoint controller using either fixed or remote setpoint control. It can be used to amplify its compensation voltage directly, thereby converting it to a stand-alone Celsius transducer with a low impedance voltage output. The AD595 includes a thermocouple failure alarm that indicates if one or both thermocouple leads become open. The alarm output has a flexible format which includes TTL drive capability. The AD595 can be powered from a single ended supply (including +5 V) and by including a negative supply, temperatures below 0°C can be measured. To minimize self-heating, an unloaded AD595 will typically operate with a total supply current 160 µA, but is also capable of delivering in excess of ±5 mA to a load. The  AD595 is laser trimmed for type K (chromel-alumel) inputs. The temperature transducer voltages and gain control resistors are available at the package pins so that the circuit can be recalibrated for the thermocouple types by the addition of two or three resistors. These terminals also allow more precise calibration for both thermocouple and thermometer applications. The AD595 is available in two performance grades. The C and the A versions have calibration accuracies of ±1°C and ±3°C, respectively. Both are designed to be used from 0°C to +50°C, and are available in 14-pin, hermetically sealed, sidebrazed ceramic DIPs as well as low cost cerdip packages. 

Features:-

• Pretrimmed for Type J (AD594) or Type K (AD595) Thermocouples 

Can Be Used with Type T Thermocouple Inputs 

Low Impedance Voltage Output: 10 mV/8C 

Built-In Ice Point Compensation 

Wide Power Supply Range: +5 V to 615 V 

Low Power: <1 mW typical 

Thermocouple Failure Alarm 

Laser Wafer Trimmed to 18C Calibration Accuracy 

Setpoint Mode Operation 

Self-Contained Celsius Thermometer Operation 

High Impedance Differential Input 

Side-Brazed DIP or Low Cost Cerdip  

Specification:-

Parameters Min Max Units
+VS to –VS
36 V
Common-Mode Input Voltage –VS – 0.15 +VS V
Differential Input Voltage –VS +VS V
Alarm Voltages

V
–ALM –VS –VS + 36 V
+ALM –VS +VS V
Operating Temperature Range -55 125 °C
Output Short Circuit to Common Indefinite


Related Document:-

  AD595 IC Data Sheet

Brand/Manufacturer Generic
Country Of Origin China
Packer / Importer Address Constflick Technologies Limited, Building No 13 and 14, 3rd Floor, 2nd Main, Siddaiah Road, Bangalore, Karnataka - 560027 India.
MRP Rs. 1032.5 (Inclusive of all Taxes)
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AD595 IC - Thermocouple Amplifier IC

  • Product Code: EC-1855
  • Availability: 470
  • Rs.999.00
  • (Excluding 18% GST)

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