AD595AQ datasheet, chip, circuit, GPIO

Explore the AD595AQ Reference Manual for comprehensive details on the AD595AQ chip, including its circuit design, GPIO configuration, PCB layout, and pinout information. This guide also covers thermocouple integration and accurate readings up to 1000°C, ensuring you have the right data for your projects.

品牌： ADI公司

下載： AD595AQ Datasheet PDF

價格：詢問

有存貨： 12,552

功能： Thermocouple Amplifier

感測器類型：外部的

拓撲： Ice Point Compensation, Overload Detection

包裹： 14-CDIP (0.300, 7.62mm)

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AD595AQ Pinout Equivalent

ad595aq pinout

AD595AQ Pinout Picture

1：Overview of the AD595AQ

The AD595 is an integrated cold junction compensation amplifier for K-type thermocouples from Analog Devices (ADI). It is designed to convert the weak signals of a thermocouple into high-precision voltage outputs, suitable for industrial temperature measurement and instrumentation applications. Specifically tailored for K-type thermocouples (nickel-chromium/nickel-aluminum), it includes built-in cold junction compensation and a freezing point reference source, providing a linear voltage signal of 10 mV per degree Celsius directly, without the need for additional calibration.

In industrial production processes, many devices and procedures require precise temperature measurement, such as heat treatment furnaces, injection molding machines, and industrial boilers. The AD595 can be used with various types of thermocouples to provide accurate temperature data for industrial temperature control systems. In research laboratories, high precision and reliability are required for temperature measurement. The AD595 can be used in various temperature testing equipment, such as incubators and low-temperature test chambers, to ensure the accuracy of experimental data. In some medical equipment, like incubators and sterilization devices, precise temperature control is necessary. The AD595 can offer reliable temperature measurement functions for these devices, ensuring their normal operation and effectiveness.

2：AD595AQ Important pin function definition:

引腳名稱	描述
Pin1 (+IN)	The positive input end of the thermocouple is connected to the positive electrode of the thermocouple for receiving the thermoelectric motive force signal.
Pin14 (-IN)	Negative input terminal of thermocouple, connected to the negative pole of thermocouple.
Pin7 (V -)	Negative power supply pin, typically connected to the negative power supply voltage, with an operating voltage range generally from ±5V to ±18V.
Pin14 (V +)	Positive power supply pin, connected to the positive power supply voltage, and cooperates with V – to supply power to the chip.
Pin10 (comp)	The compensation capacitor pin should be connected to ground with a 0.01µF ceramic capacitor to stabilize the cold end compensation circuit.

3：Alternative model recommendation

Chips from different manufacturers may vary, often making it impossible to achieve direct pin-to-pin compatibility. If replacing the original model is necessary, there are two possible alternatives: models within the same brand and series. During the design process, we always prioritize original factory-provided upgrades or downgrades.

AD597ARZ：Also a thermocouple instrumentation amplifier produced by Analog Devices (ADI), the AD597 features high precision and a wide temperature range. It is packaged in an SOIC-8 and is commonly used in industrial applications and laboratory instruments with high requirements for temperature measurement accuracy. The AD597 is similar in function to the AD595AQ, but there may be differences in specific performance parameters and application scenarios.
AD597A

AD597ARZ Picture

AD596AH：The AD596AH is a feature-rich and reliable thermocouple signal processing chip widely used in various industrial and research applications for processing and controlling J-type thermocouple signals.