AD595AQ

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AD595AQ

+BOM

IC THERMOCOUPLE A W/COMP 14CDIP

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Specifications

Attribute Value
Package Bulk,Tube
ProductStatus Active
Function Thermocouple Amplifier
SensorType External
Accuracy ±3°C(Max)
Topology Ice Point Compensation, Overload Detection
OutputType Voltage
OutputAlarm Yes
OutputFan No
Voltage-Supply 5V ~ ±15V
OperatingTemperature -55°C ~ 125°C
MountingType Through Hole
Package/Case 14-CDIP (0.300, 7.62mm)

Overview

Description

The AD595AQ is a monolithic thermocouple amplifier with cold junction compensation, designed by Analog Devices. It is specifically tailored for K-type thermocouples, providing an accurate and convenient interface by converting the thermocouple’s voltage output into a standard analog voltage output. This IC simplifies the process of temperature measurement by offering a high level of integration, which includes an internal ice-point reference and amplification circuitry.
Key features of the AD595AQ include a temperature range from -200°C to +1250°C for K-type thermocouples, a high input impedance, and low power consumption. The device offers a linearized output, reducing the need for additional signal processing, thus making it ideal for use in various industrial and scientific applications where precise temperature measurement is critical.
The AD595AQ comes in a hermetically sealed ceramic package, ensuring reliability and stability under harsh environmental conditions. Its ease of use makes it a popular choice for applications requiring accurate and reliable temperature readings.

Equivalent

The AD595AQ is a monolithic thermocouple amplifier with cold junction compensation. Equivalent products include:
1. MAX6675: A thermocouple-to-digital converter that interfaces with microcontrollers.
2. MCP9600: A thermocouple EMF to temperature converter with multiple types supported.
3. AD8495: A precision thermocouple amplifier from Analog Devices.
4. MAX31855: A thermocouple-to-digital converter with cold-junction compensation.
These alternatives offer similar functionality for interfacing thermocouples with digital systems.

Features

The AD595AQ is a monolithic thermocouple amplifier with integrated cold junction compensation, designed for use with K-type thermocouples. Key features include:
1. Integrated Cold Junction Compensation: Automatically corrects for cold junction temperature variations.
2. Wide Temperature Range: Capable of measuring temperatures from -200°C to +1250°C with K-type thermocouples.
3. High Accuracy and Stability: Provides accurate temperature readings with low offset voltage and drift.
4. User-Friendly Output: Delivers a voltage output that is proportional to the thermocouple input in a convenient 10 mV/°C format.
5. Single-Supply Operation: Operates from a single supply voltage ranging from +5V to +30V.
6. Low Power Consumption: Suitable for battery-operated devices due to its low power requirements.
7. Durable Packaging: Available in a 14-pin dual in-line package (DIP) for easy integration into various applications.
8. High Reliability: Designed to be resistant to electromagnetic interference and environmental conditions, ensuring consistent performance.
These features make the AD595AQ ideal for precision temperature measurements in industrial, scientific, and consumer applications.

Pinout

The AD595AQ is a monolithic thermocouple amplifier with a single-chip solution for K-type thermocouples. It provides cold junction compensation and amplifies the thermocouple voltage to produce a high-level output voltage that is linearly proportional to temperature.
The AD595AQ is typically available in a 14-pin dual in-line package (DIP). Here is a brief description of its pin functions:
1. Pins 1, 5, 8, 9, 10, 11, 13, 14: These are typically not connected (NC) or have specific functions depending on the package type and application.
2. Pin 2 (V-): Negative power supply.
3. Pin 3 (GND): Ground.
4. Pin 4 (VIN-): Negative input from the thermocouple.
5. Pin 6 (VIN+): Positive input from the thermocouple.
6. Pin 7 (TEMP OUTPUT): Temperature output voltage.
7. Pin 12 (V+): Positive power supply.
This pin configuration provides the necessary connections to facilitate thermocouple input, power supply, and temperature output, ensuring the AD595AQ functions effectively in temperature measurement applications.

Manufacturer

The AD595AQ is manufactured by Analog Devices, Inc. Analog Devices is an American multinational semiconductor company that specializes in the design, manufacturing, and marketing of a broad portfolio of high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits used in electronic equipment. The company serves various industries, including industrial, automotive, communications, healthcare, and consumer electronics. Analog Devices is known for providing solutions that address complex signal processing challenges, offering products such as amplifiers, data converters, sensors, power management circuits, and more.

Application

The AD595AQ is a monolithic thermocouple amplifier with cold junction compensation, designed for K-type thermocouples. It is commonly used in temperature measurement and control applications. Its key application areas include industrial process control, HVAC systems, home appliances, laboratory equipment, and temperature monitoring for electronics. The device simplifies the integration of thermocouples by providing a linearized voltage output, which is directly proportional to the temperature, making it ideal for use in systems where accurate and reliable temperature readings are crucial. Additionally, its ease of use and precision make it suitable for educational purposes and prototyping in research and development settings.

Package

The AD595AQ is packaged in a 14-pin ceramic dual in-line package (CERDIP).