AD7247KNZ

Product Overview

Category

AD7247KNZ belongs to the category of integrated circuit (IC) chips.

Use

The AD7247KNZ 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 analog components.

Characteristics

• High-resolution DAC with 12-bit accuracy
• Low power consumption
• Wide operating voltage range
• Fast settling time
• Multiple output channels

Package

The AD7247KNZ is available in a standard 24-pin plastic dual in-line package (PDIP).

Essence

The essence of AD7247KNZ lies in its ability to convert digital data into corresponding analog voltages, enabling accurate control and manipulation of analog components within electronic systems.

Packaging/Quantity

The AD7247KNZ is typically packaged in reels or tubes, with each reel or tube containing a specific quantity of IC chips. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Resolution: 12 bits
• Number of Channels: 4
• Supply Voltage Range: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Conversion Rate: Up to 100 kSPS (kilo samples per second)
• Interface: Serial, SPI-compatible

Detailed Pin Configuration

The AD7247KNZ has a total of 24 pins, each serving a specific purpose. The pin configuration is as follows:

1. VDD: Positive power supply
2. VSS: Ground reference
3. AGND: Analog ground
4. REFOUT: Reference voltage output
5. REFIN: Reference voltage input
6. DGND: Digital ground
7. DIN: Serial data input
8. SCLK: Serial clock input
9. SYNC: Synchronization input
10. CS: Chip select input
11. VOUTA: Analog output channel A
12. VOUTB: Analog output channel B
13. VOUTC: Analog output channel C
14. VOUTD: Analog output channel D 15-24. NC: No connection

Functional Features

1. High Resolution

The AD7247KNZ offers a 12-bit resolution, providing precise control over analog voltages.

2. Multiple Output Channels

With four output channels (VOUTA, VOUTB, VOUTC, and VOUTD), the AD7247KNZ allows for simultaneous control of multiple analog components.

3. Fast Settling Time

The chip's fast settling time ensures quick and accurate conversion of digital signals to analog voltages.

4. Low Power Consumption

AD7247KNZ is designed to operate with low power consumption, making it suitable for battery-powered devices.

Advantages and Disadvantages

Advantages

• High-resolution DAC for accurate analog voltage control
• Multiple output channels for versatile applications
• Fast settling time for efficient signal conversion
• Low power consumption for energy-efficient designs

Disadvantages

• Limited number of output channels (four)
• Requires external reference voltage for operation

Working Principles

The AD7247KNZ operates based on the principle of binary-weighted resistor ladder network. It converts digital data received through the serial interface into corresponding analog voltages using a combination of resistors and switches. The resulting analog voltages are then available at the output channels for further utilization within the electronic system.

Detailed Application Field Plans

The AD7247KNZ finds application in various fields where precise analog voltage control is required. Some of the detailed application field plans include:

1. Audio Systems: The chip can be used in audio systems to control volume levels, tone adjustments, and other audio parameters.

2. Industrial Automation: AD7247KNZ enables precise control of analog components in industrial automation systems, such as motor speed control, temperature regulation, and pressure monitoring.

3. Instrumentation: It can be utilized in test and measurement instruments for generating accurate analog signals and waveforms.

4. Communication Systems: The chip is suitable for applications in communication systems, including signal modulation, frequency synthesis, and data conversion.

Detailed and Complete Alternative Models

1. AD5620: 12-bit DAC with single-channel output
2. AD5660: 16-bit DAC with multiple output channels
3. AD5750: 16-bit DAC with high voltage output capability
4. AD7303: 8-bit DAC with low power consumption

These alternative models offer similar functionality to the AD7247KNZ and can be considered based on specific requirements and system constraints.

In conclusion, the AD7247KNZ is a versatile integrated circuit chip that provides high-resolution digital-to-analog conversion. With its multiple output channels, fast settling time,