AD7528AQ

Product Overview

Category

AD7528AQ belongs to the category of digital-to-analog converters (DACs).

Use

It is used to convert digital signals into analog voltages.

Characteristics

• High precision and accuracy
• Low power consumption
• Fast settling time
• Wide operating temperature range

Package

AD7528AQ comes in a 16-pin dual in-line package (DIP).

Essence

The essence of AD7528AQ lies in its ability to provide accurate analog voltage outputs based on digital input signals.

Packaging/Quantity

AD7528AQ is typically packaged in tubes or trays, with a quantity of 25 units per tube/tray.

Specifications

• Resolution: 8 bits
• Voltage Reference Range: 0V to Vref
• Supply Voltage Range: ±5V to ±15V
• Operating Temperature Range: -40°C to +85°C
• Conversion Rate: 100 kHz
• Integral Nonlinearity (INL): ±1 LSB
• Differential Nonlinearity (DNL): ±0.5 LSB

Detailed Pin Configuration

1. VDD: Positive supply voltage
2. VREF: Reference voltage input
3. AGND: Analog ground
4. OUTA: Analog output A
5. OUTB: Analog output B
6. DGND: Digital ground
7. DB0: Digital input bit 0
8. DB1: Digital input bit 1
9. DB2: Digital input bit 2
10. DB3: Digital input bit 3
11. DB4: Digital input bit 4
12. DB5: Digital input bit 5
13. DB6: Digital input bit 6
14. DB7: Digital input bit 7
15. CS: Chip select input
16. WR: Write input

Functional Features

• High-resolution digital-to-analog conversion
• Fast settling time for accurate voltage outputs
• Low power consumption for energy efficiency
• Wide operating temperature range for versatile applications
• Easy integration with microcontrollers and other digital systems

Advantages and Disadvantages

Advantages

• High precision and accuracy in analog voltage outputs
• Low power consumption for energy-efficient designs
• Fast settling time ensures quick response to digital inputs
• Wide operating temperature range allows for use in various environments

Disadvantages

• Limited resolution of 8 bits may not be sufficient for certain applications requiring higher precision
• Requires external reference voltage for proper operation

Working Principles

AD7528AQ operates based on the principle of binary-weighted resistor ladder network. The digital input signals control switches that connect or disconnect resistors in the ladder network, resulting in different voltage levels at the output pins. These voltage levels are then converted into analog voltages.

Detailed Application Field Plans

AD7528AQ finds applications in various fields, including:

1. Industrial Automation: Used in control systems to generate precise analog control signals.
2. Test and Measurement Equipment: Provides accurate analog voltage references for calibration purposes.
3. Audio Systems: Converts digital audio signals into analog voltages for audio playback.
4. Instrumentation: Used in data acquisition systems to convert digital sensor readings into analog signals.
5. Communication Systems: Generates analog control signals for modulation and demodulation processes.

Detailed and Complete Alternative Models

1. AD7524AQ: 4-bit digital-to-analog converter with similar characteristics and package.
2. AD7533AQ: 10-bit digital-to-analog converter with higher resolution and extended temperature range.
3. AD7541AQ: 12-bit digital-to-analog converter with improved accuracy and lower integral nonlinearity.

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