AD7843ARQ

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AD7843ARQ

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IC ADC 12BIT TOUCHSCREEN 16-QSOP

  • Nhà sản xuấtCông ty Analog Devices Inc.

  • Ông. Phần #AD7843ARQ

  • Bảng dữ liệu AD7843ARQ DataSheet

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Thông số kỹ thuật

thuộc tính Giá trị
PartStatus Obsolete
Resolution(Bits) 12 b
VoltageReference External
Voltage-Supply 2.2V ~ 5.25V
OperatingTemperature -40°C ~ 85°C
MountingType Surface Mount
Package/Case 16-SSOP (0.154", 3.90mm Width)
SupplierDevicePackage 16-QSOP
BaseProductNumber AD7843

Tổng quan

Description

The AD7843ARQ is a precision 12-bit Digital-to-Analog Converter (DAC) from Analog Devices. Designed for applications requiring high accuracy and low noise, it features a serial input interface that allows for straightforward integration with microcontrollers and digital systems. The device supports a range of power supply voltages, typically from ±5V to ±15V, enabling it to generate both positive and negative output voltages.
Key specifications include a maximum output settling time of around 10 microseconds and low distortion, making it suitable for audio applications, industrial automation, and instrumentation. The AD7843ARQ also incorporates an internal reference voltage, simplifying the design and enhancing its performance.
With its small package size, the AD7843 is ideal for space-constrained environments while ensuring reliable performance in various high-precision applications. Overall, the AD7843ARQ is an efficient choice for engineers seeking a robust and versatile DAC solution.

Equivalent

The AD7843ARQ is a 12-bit digital-to-analog converter (DAC). Equivalent products include the MCP4725 from Microchip, the MAX5216 from Maxim Integrated, and the DAC7710 from Texas Instruments. Additionally, the LTC1660 from Analog Devices and the DAC121S101 from Texas Instruments may also serve as alternatives, depending on specific application requirements such as resolution, voltage reference, and interface compatibility. Always check datasheets for specific functionality and pin compatibility.

Features

The AD7843ARQ is a dual 12-bit DAC (Digital-to-Analog Converter) designed for precision applications. Key features include:
1. Resolution: 12-bit output for high accuracy in signal conversion.
2. Output Range: Programmable output voltage range, supporting both single-ended and differential outputs.
3. Low Power Consumption: Designed for low power operation, making it suitable for battery-powered devices.
4. Fast Data Update Rate: High-speed data update allows for rapid signal processing.
5. Serial Interface: Utilizes a serial data interface (SPI-compatible) for easy integration with microcontrollers and digital systems.
6. Reference Voltage: Internal or external reference voltage options provide flexibility in design.
7. Temperature Range: Operates over a wide temperature range, ensuring reliability in various environments.
8. Package Options: Available in compact packages, facilitating ease of use in space-constrained applications.
These features make the AD7843ARQ ideal for applications in instrumentation, industrial control, and telecommunications.

Pinout

The AD7843ARQ is a 14-bit, single-supply analog-to-digital converter (ADC) featuring a parallel interface. It comes in a 28-pin QSOP (Quarter Small Outline Package) configuration.
Key pin functions include:
- Data Output Pins (D0-D13): 14 digital output pins that provide the converted digital data.
- Control Pins (CS, RD, WR): Control signals for chip selection and read/write operations.
- Clock Input (CLK): Provides the timing signal for the ADC operation.
- Analog Input (VIN): The analog signal that will be converted to a digital signal.
- Reference Voltage Pins (VREF, VSS, VDD): Supply voltage and reference voltage inputs.
- Other Pins: Includes grounding pins, a power-down mode pin, and additional control features.
Overall, the AD7843ARQ is designed for applications requiring precise analog-to-digital conversion with a straightforward parallel interface.

Manufacturer

The AD7843ARQ is manufactured by Analog Devices, Inc. (ADI), a prominent company specializing in high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965, Analog Devices is known for its innovative solutions in various applications, including industrial automation, automotive, communications, and consumer electronics. The company focuses on providing advanced technology that enhances performance and efficiency in a wide range of electronic systems. They offer a vast portfolio of products, including data converters, amplifiers, and voltage references, catering to engineers and designers across multiple industries. Analog Devices is recognized for its commitment to quality and reliability, making it a leader in the semiconductor industry.

Application

The AD7843ARQ is a high-speed, low-power, dual-channel digital-to-analog converter (DAC) primarily used in applications such as signal generation, waveform synthesis, and digital control systems. Its key application areas include industrial automation, instrumentation, audio equipment, telecommunications, and consumer electronics. It is also suitable for applications requiring precision voltage outputs, such as in automatic test equipment (ATE) and medical devices. The device's high accuracy and speed make it valuable in systems requiring precise control and feedback loops.

Package

The AD7843ARQ is packaged in a 16-lead plastic dual in-line package (DIP) with a 0.3-inch width. It is designed for surface-mount applications and provides a compact solution for the integration of analog-to-digital conversion functionalities.

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