AD7247JR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital-to-Analog Converter (DAC)
• Characteristics: High-resolution, low-power consumption
• Package: 20-pin SOIC (Small Outline Integrated Circuit)
• Essence: Converts digital signals into analog voltages
• Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

• Resolution: 12 bits
• Number of Channels: 4
• Supply Voltage: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Output Voltage Range: 0V to Vref (Reference Voltage)

Detailed Pin Configuration

The AD7247JR has a total of 20 pins. The pin configuration is as follows:

1. VDD: Positive power supply
2. VSS: Ground
3. AGND: Analog ground
4. REFOUT: Reference voltage output
5. REFIN: Reference voltage input
6. VREF: Reference voltage supply
7. DB11: Data bit 11
8. DB10: Data bit 10
9. DB9: Data bit 9
10. DB8: Data bit 8
11. DB7: Data bit 7
12. DB6: Data bit 6
13. DB5: Data bit 5
14. DB4: Data bit 4
15. DB3: Data bit 3
16. DB2: Data bit 2
17. DB1: Data bit 1
18. DB0: Data bit 0
19. CS: Chip select
20. CLK: Clock input

Functional Features

• High-resolution DAC with 12-bit resolution
• Four independent channels for simultaneous conversion
• Low-power consumption for energy-efficient applications
• Wide supply voltage range for flexibility in system design
• Internal reference voltage generator for accurate conversion

Advantages and Disadvantages

Advantages: - High resolution allows for precise analog output - Multiple channels enable simultaneous conversion of multiple signals - Low-power consumption extends battery life in portable devices

Disadvantages: - Limited output voltage range may not be suitable for certain applications requiring higher voltages - 20-pin package may require more board space compared to smaller packages

Working Principles

The AD7247JR is a digital-to-analog converter that converts digital signals into corresponding analog voltages. It utilizes a 12-bit resolution to provide high precision in the conversion process. The device operates by taking digital input data and converting it into an analog output voltage based on the applied reference voltage. The internal reference voltage generator ensures accurate conversion.

Detailed Application Field Plans

The AD7247JR can be used in various applications, including but not limited to: - Audio equipment: Providing analog audio signals for amplifiers, mixers, and other audio processing devices. - Industrial automation: Generating control signals for motor drives, actuators, and sensors. - Instrumentation: Producing analog signals for measurement and testing equipment. - Communication systems: Converting digital signals into analog for transmission or modulation purposes.

Detailed and Complete Alternative Models

• AD7243JR: Similar to AD7247JR but with 10-bit resolution instead of 12 bits.
• AD5621RBRMZ-1: Single-channel DAC with 12-bit resolution and a different package (6-ball WLCSP).
• MAX5214BEE+T: Four-channel DAC with 14-bit resolution and a different package (16-pin QSOP).

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