AD7921AUJZ

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AD7921AUJZ

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規格

屬性 價值
Brand Analog Devices
ProductType ADCs - Analog to Digital Converters
Subcategory Data Converter ICs
Series AD7911
FactoryPackQuantity:FactoryPackQuantity 3000
Packaging Reel

概述

Description

The AD7921AUJZ is a 12-bit, dual-channel analog-to-digital converter (ADC) designed by Analog Devices. It features a sampling rate of up to 1 MSPS (megasamples per second) and operates with a supply voltage of 2.7V to 5.5V. The device utilizes a successive approximation register (SAR) architecture, which ensures high accuracy and low power consumption.
The AD7921 offers a serial interface (SPI-compatible) for easy integration with microcontrollers and other digital systems. It supports a variety of input voltage ranges and has an internal reference voltage, enhancing flexibility in different applications. The ADC's low noise and fast conversion times make it suitable for applications in industrial automation, medical devices, and portable instrumentation.
With its compact package (LFCSP), the AD7921AUJZ is ideal for space-constrained designs, providing excellent performance in data acquisition and signal processing tasks. Overall, the AD7921AUJZ stands out due to its balance of performance, power efficiency, and ease of use in various electronic applications.

Equivalent

The AD7921AUJZ is a 12-bit, 1 MSPS Analog-to-Digital Converter (ADC). Equivalent products include the MCP3201 (Microchip), LTC1865 (Analog Devices), and ADS8318 (Texas Instruments). These alternatives also offer high-speed conversion and similar specifications, but it's essential to compare details like input voltage range, power consumption, and package type for specific applications.

Features

The AD7921AUJZ is a high-speed, 12-bit analog-to-digital converter (ADC) designed for applications requiring fast and accurate data acquisition. Key features include:
1. Sampling Rate: Offers a maximum sampling rate of 1 MSPS (Mega Samples Per Second).
2. Resolution: Provides 12-bit resolution, ensuring precise signal representation.
3. Input Voltage Range: Operates with a flexible input voltage range of 0 to VREF, with a reference voltage (VREF) configurable.
4. Interface: Supports a complete serial interface using SPI, facilitating easy integration with microcontrollers and digital systems.
5. Low Power Consumption: Consumes low power, making it suitable for battery-operated devices.
6. Fast Settling Time: Fast acquisition time with a settling time of just a few microseconds.
7. Built-in Sample-and-Hold: Incorporates a sample-and-hold circuit for improved signal integrity.
8. Temperature Range: Operates over an extended temperature range, enhancing reliability in various environments.
These features make the AD7921AUJZ ideal for precision measurement applications in industrial, automotive, and consumer electronics.

Pinout

The AD7921AUJZ is a 12-bit analog-to-digital converter (ADC) from Analog Devices, featuring a 16-pin TSSOP (Thin Shrink Small Outline Package).
Pin Count: 16 pins
Key Pin Functions:
1. VDD (Pin 1): Power supply.
2. AGND (Pin 2): Analog ground.
3. VREF (Pin 3): Reference voltage input.
4. VIN+ (Pin 4): Positive analog input.
5. VIN- (Pin 5): Negative analog input.
6. SCLK (Pin 6): Serial clock input.
7. DIN (Pin 7): Serial data input.
8. DOUT (Pin 8): Serial data output.
9. CS (Pin 9): Chip select input.
10. DB0 to DB11 (Pins 10-15): Data output pins for the 12-bit conversion result.
11. NC (Pin 16): No connection.
The AD7921 supports a serial interface for communication and operates with a single-supply voltage, making it suitable for various applications in data acquisition systems.

Manufacturer

The AD7921AUJZ is manufactured by Analog Devices, Inc. (ADI), a global leader in high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965 and headquartered in Norwood, Massachusetts, Analog Devices specializes in providing innovative solutions for a wide range of applications, including communications, industrial automation, healthcare, automotive, and consumer electronics.
As a company, ADI is known for its focus on precision and high-quality performance, developing components that enable customers to design advanced systems. Their product portfolio includes data converters, amplifiers, sensors, and signal processing solutions, among others. Analog Devices serves various sectors, consistently pushing the boundaries of technology to address complex challenges in signal processing and data acquisition.
The AD7921 is a high-speed, low-power, 12-bit analog-to-digital converter (ADC) designed for applications requiring fast and accurate data conversion. Its features make it suitable for industrial, medical, and consumer electronics applications, aligning with Analog Devices' mission to deliver cutting-edge technological solutions.

Application

The AD7921AUJZ is a 12-bit, 1 MSPS analog-to-digital converter (ADC) ideal for applications requiring fast data acquisition and high precision. Its application areas include medical instrumentation, industrial process control, motor control, and communication systems. It is suitable for portable battery-operated devices due to its low power consumption. The ADC can be utilized in sensor applications, data logging, and low-speed signal processing, as well as in consumer electronics like audio equipment for enhanced sound quality. Its SPI interface facilitates easy integration into various systems.

Package

The AD7921AUJZ is packaged in a 16-lead LFCSP (Lead Frame Chip Scale Package) with dimensions of 3mm x 3mm.

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