DAC8408AT/883C

Product Overview

Category: Digital-to-Analog Converter (DAC)

Use: The DAC8408AT/883C is a high-performance digital-to-analog converter designed for various applications that require precise analog output signals. It converts digital input data into corresponding analog voltage or current signals.

Characteristics: - High resolution and accuracy - Low power consumption - Wide operating temperature range - Fast settling time - Multiple output channels

Package: The DAC8408AT/883C is available in a ceramic package, which provides excellent protection against environmental factors such as moisture, temperature, and mechanical stress.

Essence: The DAC8408AT/883C is an essential component in systems that require accurate analog signal generation, such as audio equipment, instrumentation, industrial control systems, and communication devices.

Packaging/Quantity: The DAC8408AT/883C is typically sold in reels or trays, with a quantity of 100 units per reel/tray.

Specifications

• Resolution: 16 bits
• Number of Channels: 8
• Output Voltage Range: 0V to Vref
• Supply Voltage: +5V
• Operating Temperature Range: -40°C to +85°C
• Settling Time: <10µs
• Total Harmonic Distortion (THD): <0.01%
• Integral Non-Linearity (INL): ±1 LSB

Detailed Pin Configuration

The DAC8408AT/883C has a total of 28 pins, which are assigned specific functions. Here is the detailed pin configuration:

1. VDD: Positive supply voltage
2. VSS: Ground reference
3. REF: Reference voltage input
4. AGND: Analog ground
5. AOUT0: Analog output channel 0
6. AOUT1: Analog output channel 1
7. AOUT2: Analog output channel 2
8. AOUT3: Analog output channel 3
9. AOUT4: Analog output channel 4
10. AOUT5: Analog output channel 5
11. AOUT6: Analog output channel 6
12. AOUT7: Analog output channel 7
13. D0: Digital input bit 0
14. D1: Digital input bit 1
15. D2: Digital input bit 2
16. D3: Digital input bit 3
17. D4: Digital input bit 4
18. D5: Digital input bit 5
19. D6: Digital input bit 6
20. D7: Digital input bit 7
21. CS: Chip select input
22. WR: Write control input
23. RD: Read control input
24. LDAC: Load DAC input
25. CLR: Clear input
26. SCLK: Serial clock input
27. SDIN: Serial data input
28. SDOUT: Serial data output

Functional Features

• High-resolution digital-to-analog conversion
• Simultaneous update of all output channels
• Serial interface for easy integration with microcontrollers and digital systems
• Internal voltage reference for accurate conversion
• Power-down mode for reduced power consumption
• Output buffer amplifiers for driving external loads

Advantages and Disadvantages

Advantages: - High resolution and accuracy ensure precise analog output signals. - Multiple output channels allow for versatile applications. - Fast settling time enables rapid signal generation. - Low power consumption contributes to energy efficiency. - Wide operating temperature range ensures reliable performance in various environments.

Disadvantages: - Limited supply voltage range (only +5V). - Requires external voltage reference for optimal performance. - Relatively high cost compared to lower-end DACs.

Working Principles

The DAC8408AT/883C utilizes a digital-to-analog conversion technique called "pulse-width modulation" (PWM). It converts the digital input data into a series of pulses with varying widths, which are then filtered and smoothed to generate the desired analog output voltage or current. The resolution of the converter determines the number of discrete output levels that can be achieved.

Detailed Application Field Plans

The DAC8408AT/883C finds applications in various fields, including:

1. Audio Equipment: Used for generating high-quality audio signals in amplifiers, mixers, and digital audio systems.
2. Instrumentation: Provides precise control signals for test and measurement equipment, data acquisition systems, and scientific instruments.
3. Industrial Control Systems: Enables accurate control of industrial processes, motor drives, and robotics.
4. Communication Devices: Used in wireless communication systems, base stations, and signal generators for generating modulated signals.

Detailed and Complete Alternative Models

1. DAC8412AT/883C: Similar to DAC8408AT/883C but with 12 output