AD7247JNZ

Product Overview

Category

AD7247JNZ belongs to the category of integrated circuit (IC) chips.

Use

The AD7247JNZ chip is primarily used for digital-to-analog conversion (DAC) applications.

Characteristics

• High precision and accuracy in converting digital signals to analog outputs.
• Low power consumption, making it suitable for portable devices.
• Wide operating voltage range.
• Fast settling time for rapid response.

Package

AD7247JNZ is available in a 24-pin plastic dual inline package (PDIP).

Essence

The essence of AD7247JNZ lies in its ability to convert digital data into corresponding analog voltages with high precision and speed.

Packaging/Quantity

The AD7247JNZ chip is typically sold in reels or tubes containing multiple units. The exact quantity may vary depending on the supplier.

Specifications

• Resolution: 12 bits
• Number of Channels: 4
• Supply Voltage Range: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Output Voltage Range: 0V to Vref
• Conversion Rate: Up to 100 kSPS (kilo samples per second)
• Interface: Serial, SPI-compatible

Detailed Pin Configuration

1. VDD: Power supply voltage
2. VREF: Reference voltage input
3. AGND: Analog ground
4. AOUT1: Analog output channel 1
5. AOUT2: Analog output channel 2
6. AOUT3: Analog output channel 3
7. AOUT4: Analog output channel 4
8. DGND: Digital ground
9. DIN: Serial data input
10. SCLK: Serial clock input
11. SYNC: Chip select input
12. LDAC: Load DAC input
13. CLR: Clear input
14. VLOGIC: Logic supply voltage 15-24. NC: No connection

Functional Features

1. High-resolution DAC: AD7247JNZ provides 12-bit resolution, ensuring accurate analog outputs.
2. Multiple Channels: With four analog output channels, it allows for simultaneous conversion of multiple digital signals.
3. Serial Interface: The chip supports a serial interface, making it easy to integrate into various systems.
4. Low Power Consumption: AD7247JNZ operates at low power levels, making it suitable for battery-powered devices.
5. Fast Settling Time: The chip offers fast settling time, enabling quick response in dynamic applications.

Advantages and Disadvantages

Advantages

• High precision and accuracy in digital-to-analog conversion.
• Multiple channels for simultaneous conversion.
• Low power consumption.
• Fast settling time.

Disadvantages

• Limited output voltage range (0V to Vref).
• Requires external reference voltage.

Working Principles

AD7247JNZ utilizes a digital-to-analog conversion technique called pulse width modulation (PWM). It converts the incoming digital data into corresponding analog voltages by varying the width of the output pulses. These pulses are then filtered to obtain a smooth analog output signal.

Detailed Application Field Plans

AD7247JNZ finds applications in various fields, including: 1. Audio Equipment: Used in audio mixers, amplifiers, and digital audio workstations for precise control of analog signals. 2. Industrial Automation: Employed in process control systems, motor control, and instrumentation for accurate analog output generation. 3. Test and Measurement: Utilized in test equipment, data acquisition systems, and calibration devices for generating precise analog signals. 4. Communication Systems: Integrated into communication devices such as modems and routers for converting digital signals to analog for transmission.

Detailed and Complete Alternative Models

1. AD5621: 12-bit, single-channel DAC with SPI interface.
2. AD5660: 16-bit, quad-channel DAC with serial interface.
3. AD5754: 16-bit, octal-channel DAC with parallel interface.
4. AD7303: 8-bit, dual-channel DAC with I2C interface.

These alternative models offer similar functionality to AD7247JNZ and can be considered based on specific application requirements.

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