AD7840ARSZ

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AD7840ARSZ

+BOM

IC DAC 14BIT V-OUT 24SSOP

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365 1일 품질 보증

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90-판매 후 1일 보증

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사양

속성 가치
PartStatus Active
NumberofBits 14
NumberofD/AConverters 1
SettlingTime 4µs
OutputType Voltage - Buffered
DifferentialOutput No
DataInterface Parallel, Serial
ReferenceType External, Internal
Voltage-Supply,Analog ±5V
INL/DNL(LSB) ±2 (Max), ±0.9 (Max)
Architecture R-2R
OperatingTemperature -25°C ~ 85°C
Package/Case 24-SSOP (0.209", 5.30mm Width)
SupplierDevicePackage 24-SSOP
MountingType Surface Mount
BaseProductNumber AD7840

개요

Description

The AD7840ARSZ is a high-performance, 12-bit digital-to-analog converter (DAC) produced by Analog Devices. It features a parallel interface for easy integration with microcontrollers or digital signal processors. The device operates with a wide supply voltage range, typically from 4.5V to 5.5V, allowing it to be used in various applications, including industrial automation, audio processing, and instrumentation.
Key specifications include a maximum output update rate of 1 MHz and a low total harmonic distortion (THD), ensuring high fidelity in signal reproduction. The AD7840ARSZ has built-in features such as voltage reference and output buffering, simplifying circuit design by reducing external component requirements.
The device's compact size and low power consumption make it suitable for portable applications. Overall, the AD7840ARSZ is an efficient solution for converting digital signals into precise analog voltages, meeting the demands of modern electronic systems.

Equivalent

The AD7840ARSZ is a 12-bit digital-to-analog converter (DAC) from Analog Devices. Equivalent products include the MCP4725 from Microchip, the DAC7574 from Texas Instruments, and the LTC1242 from Analog Devices. For specific applications, ensure compatibility in terms of voltage range, interface type, and performance requirements. Always verify datasheets for precise specifications and features.

Features

The AD7840ARSZ is a 12-bit digital-to-analog converter (DAC) designed for high-performance applications. Key features include:
1. Resolution: 12-bit resolution provides fine control over output levels.
2. Output Range: Configurable unipolar (0 to Vref) and bipolar (±Vref) output configurations.
3. Reference Voltage: Internal or external reference options for flexibility in performance.
4. Speed: Fast settling time, typically around 5 µs, suitable for dynamic applications.
5. Interface: Compatible with both SPI and QSPI interfaces, allowing flexible integration with microcontrollers.
6. Low Power Consumption: Operates with low supply current, enhancing energy efficiency.
7. Temperature Range: Specified over a wide operating temperature range, making it suitable for various environments.
8. Power Supply: Single-supply operation enhances ease of use in systems.
These features make the AD7840ARSZ ideal for applications in industrial control, instrumentation, and communications systems.

Pinout

The AD7840ARSZ is a 12-bit analog-to-digital converter (ADC) with a total of 20 pins. The primary functions of these pins include:
1. Analog inputs (VIN+ and VIN-): Used for differential analog input signals.
2. References (VREF, VSS, VDD): Power supply and reference voltage pins.
3. Digital outputs (DB0-DB11): 12-bit digital output representing the converted value.
4. Control inputs (CS, WR, RD): Control signals for selecting the device and managing data transfer.
5. Clock input (CLK): Provides the timing for the conversion process.
6. Power management (AGND, DGND): Ground pins for analog and digital circuits.
This device is commonly used in applications requiring precise measurements and high-performance data acquisition systems.

Manufacturer

The AD7840ARSZ is manufactured by Analog Devices, Inc. (ADI), a company that specializes in high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits (ICs). Founded in 1965, Analog Devices is headquartered in Norwood, Massachusetts, and is known for its innovations in signal processing technologies.
The company primarily serves various industries, including communications, automotive, industrial automation, healthcare, and consumer electronics. ADI's products are widely used in applications requiring precise and reliable data acquisition, processing, and conversion.
The AD7840 is a 12-bit digital-to-analog converter (DAC) that offers high precision and is typically employed in applications such as instrumentation, control systems, and audio processing. Analog Devices is recognized for its commitment to quality and performance, making it a leading player in the semiconductor sector.

Application

The AD7840ARSZ is a high-resolution digital-to-analog converter (DAC) primarily used in applications such as precision instrumentation, data acquisition systems, and industrial control. Its key application areas include signal generation, process control, waveform generation, and in servo motor control systems. Additionally, it is utilized in medical devices for imaging and monitoring, as well as in consumer electronics for audio applications. The DAC's accuracy and stability make it suitable for automation, robotics, and telecommunications, where precise analog signal output is crucial.

Package

The AD7840ARSZ is packaged in a 16-lead SOIC (Small Outline Integrated Circuit) format.