AD421BRZ

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AD421BRZ

IC DAC 16BIT 16SOIC

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規格

Package Bulk,Tube
ProductStatus Active
Type DAC
NumberofChannels 1
Resolution(Bits) 16 b
DataInterface MICROWIRE™, Serial
VoltageSupplySource Single Supply
Voltage-Supply 3V, 3.3V, 5V
OperatingTemperature -40°C ~ 85°C
MountingType Surface Mount
Package/Case 16-SOIC (0.295, 7.50mm Width)

概述

Description

AD421BRZ is a precision, isolated 4-20 mA current loop transmitter designed for industrial applications. It converts various input signals, such as voltage or resistance, into a standardized 4-20 mA output, allowing for easy integration with control systems and monitoring devices. The device features high accuracy, low offset, and excellent linearity, making it suitable for critical measurement tasks.
The “BRZ” suffix indicates the packaging style and specific temperature ranges it can operate within. The AD421 is known for its robustness and can operate in harsh environments, which is essential for industrial settings. Its isolation protects against ground loops and enhances system reliability.
Overall, AD421BRZ is widely used in process control, automation, and instrumentation, providing a reliable solution for transmitting analog signals over long distances.

Features

The AD421BRZ is a high-performance, 4-20 mA output digital-to-analog converter (DAC) designed for industrial applications. Key features include:
1. Output Range: It provides a current output that can be configured for 4-20 mA, ideal for process control.
2. High Precision: Offers 16-bit resolution, ensuring accurate signal representation.
3. Digital Interface: Compatible with standard communication protocols for easy integration into systems.
4. Temperature Stability: Designed for excellent temperature performance, ensuring reliability in varying conditions.
5. Low Power Consumption: Operates efficiently, making it suitable for battery-powered applications.
6. Built-in Diagnostics: Features for fault detection and monitoring enhance system reliability.
7. Robust Packaging: Housed in a durable package to withstand industrial environments.
Overall, the AD421BRZ is suitable for applications in automation, process control, and instrumentation, providing reliable and precise output in demanding conditions.

Package

The AD421BRZ is packaged in a 5-lead SOT-23 configuration.

Pinout

The AD421BRZ is a digital-to-analog converter (DAC) with a pin count of 8. It operates with a serial interface for data input and provides a voltage output proportional to the digital input value.
The key functions of its pins are as follows:
1. VDD: Power supply voltage.
2. GND: Ground reference.
3. VOUT: Analog output voltage.
4. SCLK: Serial clock input for synchronizing data transfer.
5. SDI: Serial data input for receiving digital data.
6. LDAC: Load DAC input, which loads the data into the output register.
7. SYNC: Synchronization input to define the start of a data transfer.
8. REF: Reference voltage for setting the output range.
The AD421BRZ is typically used in applications requiring high precision and stability in analog output, such as industrial control and instrumentation.

Manufacturer

The AD421BRZ is manufactured by Analog Devices, Inc. Analog Devices is a global leader in high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965 and headquartered in Norwood, Massachusetts, the company specializes in designing and manufacturing innovative semiconductor solutions for various applications, including instrumentation, industrial automation, communications, and automotive systems. Their products are widely used in numerous markets, emphasizing precision and performance in data conversion, signal processing, and sensor interfacing.

Application

The AD421BRZ is a precision analog-to-digital converter (ADC) used in applications such as industrial process control, data acquisition systems, temperature measurement, and instrumentation. Its high accuracy and reliability make it suitable for automation, environmental monitoring, and medical devices. The device is often employed in systems requiring precise signal conditioning and conversion of analog signals to digital for further processing.

Equivalent

The AD421BRZ chip, a digital-to-analog converter (DAC) from Analog Devices, has several equivalent products, including:
1. MCP4822 - Microchip Technology
2. DAC8568 - Texas Instruments
3. AD5328 - Analog Devices
4. MAX5216 - Maxim Integrated
These alternatives may vary in specifications such as resolution, output range, and interface but serve similar applications in DAC functions. Always check the datasheets for compatibility with your specific requirements.

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