AD679TD/883B

Product Overview

• Category: Integrated Circuit (IC)
• Use: Signal Processing
• Characteristics: High-performance, Military-grade
• Package: Ceramic Dual-In-Line Package (DIP)
• Essence: Analog-to-Digital Converter (ADC)
• Packaging/Quantity: Single unit per package

Specifications

• Resolution: 12-bit
• Sampling Rate: 1 Mega-Sample per Second (MSPS)
• Input Voltage Range: ±10 Volts
• Power Supply: ±15 Volts
• Operating Temperature Range: -55°C to +125°C
• Conversion Time: 1 Microsecond (µs)
• Interface: Parallel

Detailed Pin Configuration

The AD679TD/883B IC has a total of 28 pins. The pin configuration is as follows:

1. VREF-
2. VREF+
3. AGND
4. DGND
5. VIN-
6. VIN+
7. VDD
8. VSS
9. D0
10. D1
11. D2
12. D3
13. D4
14. D5
15. D6
16. D7
17. D8
18. D9
19. D10
20. D11
21. WR
22. RD
23. CS
24. CLK
25. INTR
26. BUSY
27. NC
28. NC

Functional Features

• High-resolution ADC with 12-bit accuracy
• Fast conversion time of 1 µs
• Wide input voltage range of ±10V
• Military-grade performance and reliability
• Parallel interface for easy integration into existing systems
• Suitable for signal processing applications

Advantages and Disadvantages

Advantages

• High-resolution conversion for accurate signal processing
• Fast conversion time enables real-time applications
• Wide input voltage range allows for versatile use
• Military-grade construction ensures reliability in harsh environments
• Parallel interface simplifies integration into existing systems

Disadvantages

• Limited to 12-bit resolution, may not be suitable for applications requiring higher precision
• Requires ±15V power supply, which may not be readily available in all systems

Working Principles

The AD679TD/883B is an analog-to-digital converter (ADC) that converts continuous analog signals into discrete digital values. It achieves this by sampling the input voltage and quantizing it into a 12-bit binary representation. The ADC operates based on successive approximation, comparing the input voltage against a reference voltage and iteratively refining the digital output until the desired accuracy is achieved.

Detailed Application Field Plans

The AD679TD/883B is commonly used in various applications that require high-speed and high-resolution analog-to-digital conversion. Some of the specific application fields include:

1. Data Acquisition Systems: Used to convert analog sensor data into digital format for further processing and analysis.
2. Communication Systems: Enables digitization of analog signals in communication equipment such as radios and modems.
3. Industrial Automation: Used in control systems to convert analog process variables into digital signals for monitoring and control purposes.
4. Medical Instrumentation: Enables precise measurement and digitization of physiological signals in medical devices.
5. Test and Measurement Equipment: Used in oscilloscopes, spectrum analyzers, and other test instruments for accurate signal analysis.

Detailed and Complete Alternative Models

1. AD678TD/883B: Similar to AD679TD/883B but with 10-bit resolution.
2. AD680TD/883B: Higher-resolution variant with 14-bit ADC.
3. AD674TD/883B: Lower-resolution variant with 8-bit ADC.
4. AD676TD/883B: 12-bit ADC with a different pin configuration but similar performance.

These alternative models provide options with varying resolutions and pin configurations to suit different application requirements.

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