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AD7843ARQ

Name: AD7843ARQ
Rating: 4.7 (12 reviews)

IC ADC 12BIT TOUCHSCREEN 16-QSOP

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資料表 AD7843ARQ DataSheet
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規格

Part Status	Obsolete
Resolution (Bits)	12 b
Voltage Reference	External
Voltage - Supply	2.2V ~ 5.25V
Operating Temperature	-40°C ~ 85°C
Mounting Type	Surface Mount
Package / Case	16-SSOP (0.154", 3.90mm Width)
Supplier Device Package	16-QSOP
Base Product Number	AD7843

概述

Description

The AD7843ARQ is a high-performance, 12-bit digital-to-analog converter (DAC) produced by Analog Devices. Designed for applications requiring precise analog output, it features a serial input interface, making it suitable for microcontroller integration. The device operates with a power supply ranging from 4.5V to 5.5V and offers a typical settling time of 10 µs, which is critical for fast signal processing.
The AD7843ARQ supports various output configurations, including single-ended and differential outputs, allowing flexibility in circuit design. It also includes features like an internal voltage reference and programmable gain, enabling it to adapt to different application requirements.
Typically used in industrial automation, audio applications, and instrumentation, the AD7843ARQ is valued for its linearity, low noise, and minimal temperature drift, which ensure high accuracy in signal conversion. Its compact package and ease of integration make it a popular choice for engineers seeking reliable DAC solutions.

Features

The AD7843ARQ is a 12-bit digital-to-analog converter (DAC) designed for precision applications. Key features include:
1. Resolution: 12 bits, providing 4096 discrete output levels.
2. Output Range: Voltage output with options for single-ended or bipolar configurations.
3. Reference Voltage: Internal or external reference options for flexibility in applications.
4. Speed: Fast settling time, typically around 10 µs, ensuring quick response.
5. Interface: Compatible with both SPI and serial communication, facilitating easy integration into various systems.
6. Power Supply: Wide supply voltage range, typically from ±5V to ±15V, accommodating different setups.
7. Temperature Range: Standard operation from -40°C to +85°C for robustness in diverse environments.
8. Low Power Consumption: Designed for energy-efficient operation, making it suitable for battery-powered devices.
These features make the AD7843ARQ ideal for industrial control, data acquisition, and instrumentation applications.

Package

The AD7843ARQ is packaged in a 16-lead TSSOP (Thin Shrink Small Outline Package). This type of package is designed for surface mounting and offers a compact footprint suitable for space-constrained applications.

Pinout

The AD7843ARQ is a 16-bit digital-to-analog converter (DAC) with a total of 16 pins. Its primary functions include converting digital input signals into corresponding analog output voltages. Key features include:
- Voltage Reference Input: For setting the output range.
- Digital Inputs: To receive the 16-bit digital data.
- Clock Input: For synchronization of data input.
- Output: Provides an analog voltage output proportional to the digital input.
- Control Pins: Including chip select, write, and read functions for data handling.
The AD7843ARQ is typically used in applications requiring precision and stability in analog signal generation, such as in instrumentation, audio processing, and control systems.

Manufacturer

The AD7843ARQ is manufactured by Analog Devices, Inc. Analog Devices is a prominent American multinational company that specializes in the design and manufacturing of analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965, the company is known for its high-performance semiconductor solutions used in a variety of applications, including communications, automotive, healthcare, and industrial automation. Analog Devices focuses on providing advanced technologies that enable precise and reliable signal processing in electronic devices.

Application

The AD7843ARQ is a high-resolution digital-to-analog converter (DAC) primarily used in applications such as waveform generation, audio signal processing, instrumentation, and control systems. It is suitable for industrial automation, medical devices, and telecommunication systems, where precise analog signal output is required for tasks like signal conditioning and data acquisition.

Equivalent

The AD7843ARQ is a 12-bit digital-to-analog converter (DAC) from Analog Devices. Equivalent products include the MCP4725 from Microchip, the MAX5216 from Maxim Integrated, and the DAC7574 from Texas Instruments. Ensure to check specifications like resolution, power supply, and interface compatibility when looking for direct replacements.