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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