Analog Devices Inc.
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AD7247KN
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AD7247KN

Product Overview

Category

AD7247KN belongs to the category of integrated circuit (IC) chips.

Use

The AD7247KN is commonly used in electronic devices for digital-to-analog conversion (DAC). It converts digital signals into analog voltages, allowing for precise control over various parameters in electronic systems.

Characteristics

  • High-resolution DAC with 12-bit accuracy
  • Low power consumption
  • Wide operating voltage range
  • Fast settling time
  • Excellent linearity and low distortion

Package

The AD7247KN is available in a standard 24-pin plastic dual in-line package (PDIP).

Essence

The essence of AD7247KN lies in its ability to convert digital data into corresponding analog voltages, enabling accurate control and manipulation of analog signals within electronic systems.

Packaging/Quantity

The AD7247KN is typically sold in reels or tubes containing multiple units. The exact quantity may vary depending on the supplier.

Specifications

  • Resolution: 12 bits
  • Supply Voltage Range: +5V to +15V
  • Operating Temperature Range: -40°C to +85°C
  • Conversion Time: 10µs (typical)
  • Output Voltage Range: 0V to Vref
  • Reference Voltage Range: 2.5V to Vdd

Detailed Pin Configuration

The AD7247KN has a total of 24 pins. The pin configuration is as follows:

  1. VDD: Positive supply voltage
  2. VREF: Reference voltage input
  3. AGND: Analog ground
  4. WR: Write control input
  5. DB0-DB11: Digital data inputs
  6. CS: Chip select input
  7. RD: Read control input
  8. DGND: Digital ground
  9. OUTA: Analog output A
  10. OUTB: Analog output B
  11. OUTC: Analog output C
  12. OUTD: Analog output D
  13. REFA: Reference voltage output A
  14. REFB: Reference voltage output B
  15. REFC: Reference voltage output C
  16. REFOUT: Reference voltage output
  17. VLOGIC: Logic supply voltage
  18. NC: No connection
  19. NC: No connection
  20. NC: No connection
  21. NC: No connection
  22. NC: No connection
  23. NC: No connection
  24. GND: Ground

Functional Features

  • High-resolution digital-to-analog conversion
  • Multiple analog outputs for versatile applications
  • Fast conversion time for real-time control
  • Wide operating voltage range allows compatibility with various systems
  • Low power consumption for energy-efficient designs

Advantages and Disadvantages

Advantages

  • High accuracy and linearity
  • Versatile analog output options
  • Fast settling time
  • Wide operating voltage range

Disadvantages

  • Limited resolution compared to higher-end DACs
  • Requires external reference voltage source

Working Principles

The AD7247KN operates on the principle of binary-weighted resistor ladder network. It uses a combination of digital inputs to generate an analog output voltage proportional to the applied digital code. The internal circuitry ensures accurate conversion and precise control over the analog output.

Detailed Application Field Plans

The AD7247KN finds applications in various fields, including: 1. Audio equipment: Used for volume control, tone adjustment, and audio signal processing. 2. Instrumentation: Provides precise control over analog parameters in measurement devices. 3. Industrial automation: Enables accurate control of analog signals in industrial control systems. 4. Communication systems: Used for modulation, demodulation, and signal conditioning. 5. Test and measurement: Allows for calibration and generation of analog test signals.

Detailed and Complete Alternative Models

  1. AD7245KN: Similar to AD7247KN but with 10-bit resolution.
  2. AD5620BRMZ: 12-bit DAC with a smaller package size (MSOP-10).
  3. MCP4922-E/P: Dual-channel 12-bit DAC with SPI interface.
  4. MAX5216EUB+: 16-bit DAC with serial interface and internal reference voltage.

These alternative models offer similar functionality and can be considered based on specific requirements and constraints.

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Liste 10 almindelige spørgsmål og svar relateret til anvendelsen af AD7247KN i tekniske løsninger

Sure! Here are 10 common questions and answers related to the application of AD7247KN:

  1. Q: What is AD7247KN? A: AD7247KN is a digital-to-analog converter (DAC) chip manufactured by Analog Devices.

  2. Q: What is the resolution of AD7247KN? A: AD7247KN has a resolution of 12 bits, allowing it to convert digital signals into analog voltages with high precision.

  3. Q: What is the operating voltage range of AD7247KN? A: AD7247KN operates within a voltage range of +5V to +15V.

  4. Q: Can AD7247KN be used in both single-ended and differential output configurations? A: Yes, AD7247KN can be configured for both single-ended and differential output modes, providing flexibility in various applications.

  5. Q: What is the maximum output current of AD7247KN? A: The maximum output current of AD7247KN is typically 2 mA.

  6. Q: Does AD7247KN support multiple channels? A: Yes, AD7247KN has 4 independent DAC channels, allowing simultaneous conversion of multiple digital inputs to analog outputs.

  7. Q: What is the settling time of AD7247KN? A: The settling time of AD7247KN is typically 10 μs, ensuring fast and accurate conversion.

  8. Q: Can AD7247KN operate in a low-power mode? A: Yes, AD7247KN has a power-down mode that reduces power consumption when not in use.

  9. Q: Is AD7247KN compatible with microcontrollers and other digital devices? A: Yes, AD7247KN can be easily interfaced with microcontrollers and other digital devices using standard communication protocols such as SPI.

  10. Q: What are some common applications of AD7247KN? A: AD7247KN is commonly used in applications such as industrial automation, instrumentation, motor control, audio equipment, and programmable logic controllers (PLCs).

Please note that the answers provided here are general and may vary depending on specific datasheet specifications and application requirements.