AD7851ARZ-REEL

Product Overview

Category

AD7851ARZ-REEL belongs to the category of analog-to-digital converters (ADCs).

Use

This product 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
• Small form factor

Package

AD7851ARZ-REEL comes in a small outline integrated circuit (SOIC) package.

Essence

The essence of this product lies in its ability to accurately convert analog signals into digital format, enabling further processing and analysis.

Packaging/Quantity

AD7851ARZ-REEL is typically packaged in reels and is available in various quantities depending on customer requirements.

Specifications

• Resolution: 12 bits
• Sampling Rate: Up to 1 MSPS (Mega Samples Per Second)
• Input Voltage Range: ±10V
• Power Supply: +5V
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The AD7851ARZ-REEL has a total of 20 pins. The pin configuration is as follows:

1. VREF
2. AGND
3. DGND
4. VIN+
5. VIN-
6. REFOUT
7. REFIN
8. CS
9. SCLK
10. SDATA
11. RD
12. WR
13. A0
14. A1
15. A2
16. A3
17. A4
18. A5
19. VDD
20. VSS

Functional Features

• High-resolution conversion
• Simultaneous sampling of multiple channels
• Serial interface for easy integration with microcontrollers
• Programmable gain amplifier for signal conditioning
• Internal reference voltage for improved accuracy

Advantages and Disadvantages

Advantages

• High precision and accuracy in signal conversion
• Fast conversion speed allows real-time data acquisition
• Low power consumption for energy-efficient applications
• Wide input voltage range accommodates various signal levels
• Compact form factor enables space-constrained designs

Disadvantages

• Limited resolution compared to higher-end ADCs
• Requires external components for proper operation
• Relatively higher cost compared to lower-resolution ADCs

Working Principles

AD7851ARZ-REEL operates based on the successive approximation register (SAR) architecture. It samples the analog input voltage, compares it with a reference voltage, and performs a binary search to determine the digital representation of the input signal.

Detailed Application Field Plans

AD7851ARZ-REEL finds applications in various fields, including:

1. Industrial automation: Used for process control and monitoring systems.
2. Medical devices: Enables accurate measurement and analysis of physiological signals.
3. Data acquisition systems: Provides high-resolution data conversion for scientific research and testing.
4. Communication equipment: Used for signal processing and modulation/demodulation applications.
5. Automotive electronics: Enables precise measurement and control in automotive systems.

Detailed and Complete Alternative Models

1. AD7854ARZ-REEL: Similar specifications but with 14-bit resolution.
2. AD7858ARZ-REEL: Higher resolution (16-bit) version of the same product family.
3. AD7685ARZ-REEL: Lower resolution (16-bit) ADC with similar features.

In conclusion, AD7851ARZ-REEL is a high-precision analog-to-digital converter that offers fast conversion speed, low power consumption, and a wide input voltage range. Its compact form factor and versatile applications make it suitable for various industries. While it has some limitations in terms of resolution and cost, there are alternative models available to suit different requirements.