AD7818ARZ

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AD7818ARZ

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SENSOR DIGITAL -40C-85C 8SOIC

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  • 製造商部分 #AD7818ARZ

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規格

屬性 價值
Part Status Obsolete
Sensor Type Digital, Local
Sensing Temperature - Local -40°C ~ 85°C
Output Type SPI
Voltage - Supply 2.7V ~ 5.5V
Resolution 10 b
Features Output Switch
Accuracy - Highest (Lowest) ±2°C (±3°C)
Test Condition 25°C (-40°C ~ 85°C)
Operating Temperature -55°C ~ 125°C
Mounting Type Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SOIC
Base Product Number AD7818

概述

Description

The AD7818ARZ is a precision analog-to-digital converter (ADC) designed by Analog Devices. It features an 8-bit resolution with a fast, microprocessor-compatible interface, making it suitable for various applications in data acquisition and signal processing. The AD7818ARZ operates with a single supply voltage, typically 2.7V to 5.5V, and provides a maximum sampling rate of 200 kSPS (kilosamples per second).
One of its key features is the internal 2.5V reference, although it can also use an external reference for improved flexibility and accuracy. The ADC includes a serial interface, which simplifies connections to microcontrollers and DSPs, saving board space and reducing system complexity.
Its low power consumption and small size make it ideal for portable and battery-powered applications. Additionally, the operating temperature range of -40°C to +85°C allows it to perform reliably in various environmental conditions. The AD7818ARZ is often used in consumer electronics, industrial automation, and instrumentation systems.

Equivalent

The AD7818ARZ is a temperature sensor IC with a digital interface. Equivalent products that serve similar functions include the LM75A by NXP, MCP9808 by Microchip Technology, and TMP102 by Texas Instruments. Each offers a digital interface for temperature sensing, but differences in specifications like accuracy, operating voltage, and communication protocols may exist. Always verify compatibility with your specific application requirements before selecting an alternative.

Features

The AD7818ARZ is a precision analog-to-digital converter (ADC) with several key features:
1. Resolution and Accuracy: It offers a 10-bit resolution, ensuring precise analog-to-digital conversion.
2. Low Power Consumption: Designed for power efficiency, making it suitable for battery-powered and portable applications.
3. Single-Supply Operation: Operates on a single 2.7 V to 5.5 V power supply, enhancing its versatility in various systems.
4. Fast Conversion Time: Features a fast conversion rate, allowing for quick data processing in time-sensitive applications.
5. On-Chip Temperature Sensor: Includes a built-in temperature sensor for accurate temperature measurements, useful in monitoring and control applications.
6. Serial Interface: Equipped with a standard serial interface, simplifying integration with microcontrollers and digital signal processors.
7. Compact Package: Available in a small, space-saving package, suitable for applications with space constraints.
These features make the AD7818ARZ ideal for applications requiring reliable, efficient, and precise analog-to-digital conversion, such as industrial control, instrumentation, and consumer electronics.

Pinout

The AD7818ARZ is an 8-pin integrated circuit produced by Analog Devices. It is a low-power, 10-bit, single-channel analog-to-digital converter (ADC). The AD7818ARZ is designed for applications requiring high performance in cost-sensitive environments.
Here is a concise breakdown of its pin functions:
1. VDD: Power supply pin.
2. GND: Ground reference pin.
3. VIN: Analog input pin for the signal to be converted.
4. SCLK: Serial clock input for synchronous data communication.
5. DOUT: Serial data output where the digital conversion result is accessed.
6. DIN: Serial data input for configuration purposes.
7. CS: Chip select input that enables the device when low.
8. REFIN/REFOUT: This pin can function as either reference input or reference output, depending on the configuration.
These pins enable the AD7818ARZ to perform efficient analog-to-digital conversion, suitable for various applications such as sensor interfacing and data acquisition systems.

Manufacturer

The AD7818ARZ is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company specializing in data conversion, signal processing, and power management technology. The company designs and manufactures a wide range of products, including integrated circuits, amplifiers, sensors, and microcontrollers, which are used in various industries such as telecommunications, automotive, aerospace, medical devices, and consumer electronics. Known for its innovation and quality, Analog Devices focuses on providing solutions that enhance the performance and efficiency of electronic systems.

Application

The AD7818ARZ is a temperature monitoring device commonly used in various applications. Its primary areas include environmental monitoring for industrial and consumer electronics, where precise temperature control is critical. It is also used in system thermal management for computers and servers, ensuring optimal performance and preventing overheating. Additionally, it's utilized in healthcare devices for patient monitoring and diagnostics, as well as in automotive systems for engine temperature regulation. Its digital interface and ease of integration make it suitable for diverse applications requiring accurate temperature sensing and reporting.

Package

The AD7818ARZ is an Analog Devices temperature sensor available in an 8-lead SOIC (Small Outline Integrated Circuit) package.

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