AD7871JNZ

Product Overview

Category

The AD7871JNZ belongs to the category of analog-to-digital converters (ADCs).

Use

It is primarily used for converting analog signals into digital data.

Characteristics

• High precision and accuracy
• Fast conversion speed
• Low power consumption
• Wide input voltage range

Package

The AD7871JNZ comes in a standard 28-pin plastic DIP (Dual In-line Package).

Essence

The essence of the AD7871JNZ lies in its ability to accurately convert analog signals into digital form, making it suitable for various applications.

Packaging/Quantity

The AD7871JNZ is typically packaged in reels or tubes and is available in quantities suitable for both small-scale and large-scale production.

Specifications

• Resolution: 12 bits
• Sampling Rate: Up to 100 kSPS (thousand samples per second)
• Input Voltage Range: ±10V
• Power Supply: +5V
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The AD7871JNZ has a total of 28 pins. The pin configuration is as follows:

1. VREF-
2. VREF+
3. AGND
4. DGND
5. REFOUT
6. REFIN
7. AIN1
8. AIN2
9. AIN3
10. AIN4
11. AIN5
12. AIN6
13. AIN7
14. AIN8
15. AIN9
16. AIN10
17. AIN11
18. AIN12
19. AIN13
20. AIN14
21. AIN15
22. AIN16
23. CS
24. RD
25. WR
26. A0
27. A1
28. VCC

Functional Features

• High-resolution conversion
• Simultaneous sampling of multiple channels
• Programmable gain amplifier (PGA)
• Serial interface for easy integration with microcontrollers

Advantages and Disadvantages

Advantages

• High precision and accuracy in analog-to-digital conversion
• Fast conversion speed allows real-time data acquisition
• Low power consumption for energy-efficient applications
• Wide input voltage range accommodates various signal levels

Disadvantages

• Limited number of input channels
• Requires external components for proper operation
• Relatively higher cost compared to lower-end ADCs

Working Principles

The AD7871JNZ utilizes a successive approximation algorithm to convert analog signals into digital form. It samples the input voltage, compares it to a reference voltage, and iteratively adjusts the digital output until the desired resolution is achieved.

Detailed Application Field Plans

The AD7871JNZ finds application in various fields, including:

1. Industrial automation
2. Data acquisition systems
3. Instrumentation and measurement equipment
4. Medical devices
5. Audio processing and recording equipment

Detailed and Complete Alternative Models

1. AD7881JNZ: Similar specifications but with 14-bit resolution.
2. AD7891JNZ: Higher resolution (16 bits) version of the AD7871JNZ.
3. AD7861JNZ: Lower resolution (10 bits) version with similar features.

These alternative models provide options for different resolution requirements and can be chosen based on specific application needs.

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