AD7864ASZ-3REEL

Product Overview

Category

The AD7864ASZ-3REEL 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 AD7864ASZ-3REEL offers high-resolution conversion, ensuring accurate and reliable digital representation of analog signals.
• Fast conversion speed: With its high-speed sampling rate, this ADC can quickly convert analog signals into digital format.
• Low power consumption: The AD7864ASZ-3REEL is designed to operate efficiently with low power consumption, making it suitable for battery-powered devices.
• Wide input voltage range: This ADC can handle a wide range of input voltages, allowing it to accommodate different signal levels.
• Integrated features: The AD7864ASZ-3REEL incorporates various features such as multiplexed inputs, internal reference voltage, and serial interface, enhancing its versatility and ease of use.

Package

The AD7864ASZ-3REEL comes in a small outline package (SOIC), which provides a compact and space-saving form factor. This package ensures easy integration into electronic circuits and facilitates efficient PCB layout.

Essence

The essence of the AD7864ASZ-3REEL lies in its ability to accurately convert analog signals into digital data, enabling further processing and analysis by digital systems.

Packaging/Quantity

The AD7864ASZ-3REEL is typically available in reels containing a specified quantity of units, usually 250 or 1000 pieces per reel, depending on the manufacturer's packaging specifications.

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
• Interface: Serial (SPI/I2C)

Detailed Pin Configuration

The AD7864ASZ-3REEL has a total of 16 pins, each serving a specific function. The pin configuration is as follows:

1. VDD: Power supply voltage
2. AGND: Analog ground
3. REF: Reference voltage input
4. VIN(0): Analog input channel 0
5. VIN(1): Analog input channel 1
6. VIN(2): Analog input channel 2
7. VIN(3): Analog input channel 3
8. CS: Chip select input
9. SCLK: Serial clock input
10. SDATA: Serial data output
11. DGND: Digital ground
12. DOUT/INT: Data output or interrupt output
13. PD: Power-down mode control
14. RD: Read mode control
15. WR: Write mode control
16. RESET: Reset input

Functional Features

High-Resolution Conversion

The AD7864ASZ-3REEL offers 12-bit resolution, ensuring accurate and precise conversion of analog signals into digital format.

Multiplexed Inputs

With four multiplexed input channels, this ADC allows for the simultaneous conversion of multiple analog signals, reducing the need for additional components.

Internal Reference Voltage

The integrated reference voltage source eliminates the requirement for an external reference, simplifying the design and reducing component count.

Serial Interface

The AD7864ASZ-3REEL features a serial interface (SPI/I2C), enabling easy communication with microcontrollers and other digital devices.

Advantages and Disadvantages

Advantages

• High precision and accuracy in analog-to-digital conversion.
• Fast conversion speed for real-time applications.
• Low power consumption, suitable for battery-powered devices.
• Wide input voltage range accommodates various signal levels.
• Integrated features enhance versatility and ease of use.

Disadvantages

• Limited resolution compared to higher-end ADCs.
• Requires external microcontroller or digital device for data processing.

Working Principles

The AD7864ASZ-3REEL operates based on the successive approximation method. It samples the analog input voltage, compares it with an internal reference voltage, and generates a digital output representing the input voltage level. The conversion process is controlled by the serial interface, which communicates with an external microcontroller or digital device.

Detailed Application Field Plans

The AD7864ASZ-3REEL finds applications in various fields, including but not limited to: - Industrial automation: Process control, data acquisition systems. - Medical equipment: Patient monitoring, diagnostic instruments. - Communications: Signal processing, base station equipment. - Automotive: Engine control, sensor interfaces. - Consumer electronics: Audio/video processing, instrumentation.

Detailed and Complete Alternative Models

1. AD7865ASZ-3RE