AD7878SQ/883B

Product Overview

Category

The AD7878SQ/883B belongs to the category of analog-to-digital converters (ADCs).

Use

This product is primarily used for converting analog signals into digital data, making it suitable for a wide range of applications in various industries.

Characteristics

• High precision: The AD7878SQ/883B offers high-resolution conversion, ensuring accurate and reliable digital representation of analog signals.
• Low power consumption: This ADC is designed to operate efficiently with minimal power consumption, making it suitable for battery-powered devices.
• Wide input voltage range: The AD7878SQ/883B can handle a broad range of input voltages, allowing it to accommodate diverse signal sources.
• Fast conversion speed: With its fast conversion rate, this ADC can process analog signals quickly, enabling real-time data acquisition.

Package

The AD7878SQ/883B comes in a compact and durable package, ensuring easy integration into electronic systems. It is available in a surface-mount package.

Essence

The essence of the AD7878SQ/883B lies in its ability to accurately convert analog signals into digital form, facilitating further processing and analysis.

Packaging/Quantity

This product is typically packaged in reels or tubes, depending on the quantity ordered. The exact packaging and quantity can vary based on customer requirements.

Specifications

• Resolution: 12 bits
• Input voltage range: ±10V
• Conversion rate: 100 kSPS (thousand samples per second)
• Power supply: +5V
• Operating temperature range: -40°C to +85°C
• Interface: Parallel

Detailed Pin Configuration

The AD7878SQ/883B has a total of 28 pins. Here is a detailed pin configuration:

1. VREF-
2. VREF+
3. AGND
4. REFOUT
5. REFIN
6. VDD
7. D0
8. D1
9. D2
10. D3
11. D4
12. D5
13. D6
14. D7
15. D8
16. D9
17. D10
18. D11
19. CS
20. RD
21. WR
22. A0
23. A1
24. A2
25. A3
26. A4
27. A5
28. DGND

Functional Features

• High-resolution conversion: The AD7878SQ/883B offers 12-bit resolution, ensuring accurate representation of analog signals.
• Fast conversion rate: With a conversion rate of 100 kSPS, this ADC can quickly process analog signals, enabling real-time data acquisition.
• Low power consumption: The AD7878SQ/883B is designed to operate efficiently with minimal power consumption, making it suitable for battery-powered applications.
• Wide input voltage range: This ADC can handle input voltages ranging from -10V to +10V, accommodating diverse signal sources.

Advantages and Disadvantages

Advantages

• High precision conversion
• Fast conversion rate
• Low power consumption
• Wide input voltage range

Disadvantages

• Limited interface options (only parallel interface available)
• May require additional components for specific applications

Working Principles

The AD7878SQ/883B operates based on the principle of successive approximation. It samples the analog input signal and compares it to a reference voltage. By iteratively adjusting the digital code, it converges towards an accurate digital representation of the analog signal.

Detailed Application Field Plans

The AD7878SQ/883B finds applications in various fields, including: 1. Industrial automation: Used for data acquisition and control systems in manufacturing processes. 2. Medical devices: Enables accurate measurement and monitoring of vital signs. 3. Test and measurement equipment: Provides high-resolution data acquisition for precise measurements. 4. Communication systems: Used for signal processing and modulation/demodulation applications.

Detailed and Complete Alternative Models

1. AD7888SQ/883B: Similar to the AD7878SQ/883B, but with 14-bit resolution.
2. AD7898SQ/883B: Offers higher resolution (16 bits) for applications requiring greater precision.
3. AD7868SQ/883B: A lower-cost alternative with 10-bit resolution, suitable for less demanding applications.

(Note: The above alternative models are from the same manufacturer and share similar features.)

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