AD7839ASZ-REEL

Product Overview

Category

The AD7839ASZ-REEL belongs to the category of analog-to-digital converters (ADCs).

Use

It 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 AD7839ASZ-REEL offers high-resolution conversion, ensuring accurate and reliable digital representation of analog signals.
• Fast conversion rate: It provides rapid conversion speeds, enabling real-time data acquisition and processing.
• 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 AD7839ASZ-REEL can handle a broad range of input voltages, allowing for versatile signal conversion.

Package

The AD7839ASZ-REEL comes in a small outline integrated circuit (SOIC) package. This package type ensures easy integration onto printed circuit boards (PCBs) and facilitates efficient heat dissipation.

Essence

The essence of the AD7839ASZ-REEL lies in its ability to accurately convert analog signals into digital form, enabling further processing and analysis.

Packaging/Quantity

This product is typically available in reels containing a specific quantity of units. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Resolution: 12 bits
• Input Voltage Range: ±10V
• Conversion Rate: 100 kSPS (Samples per Second)
• Power Supply: +5V
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The AD7839ASZ-REEL has a total of 16 pins, each serving a specific purpose. Here is the detailed pin configuration:

1. VREF: Reference voltage input
2. AGND: Analog ground
3. VDD: Power supply voltage input
4. D7: Digital output bit 7
5. D6: Digital output bit 6
6. D5: Digital output bit 5
7. D4: Digital output bit 4
8. D3: Digital output bit 3
9. D2: Digital output bit 2
10. D1: Digital output bit 1
11. D0: Digital output bit 0
12. CS: Chip select input
13. SCLK: Serial clock input
14. SDATA: Serial data input/output
15. RD: Read input
16. WR: Write input

Functional Features

The AD7839ASZ-REEL offers several functional features that enhance its performance and usability:

• Serial Interface: It utilizes a serial interface for communication, allowing for easy integration with microcontrollers and other digital systems.
• Internal Reference: The ADC includes an internal reference voltage, eliminating the need for an external reference source.
• Programmable Gain Amplifier (PGA): The PGA feature enables signal amplification before conversion, enhancing the ADC's sensitivity to small input signals.
• Power-Down Mode: The device can be put into a low-power power-down mode when not in use, conserving energy.

Advantages and Disadvantages

Advantages

• High precision and accuracy in analog-to-digital conversion.
• Fast conversion rate enables real-time data acquisition.
• Low power consumption makes it suitable for battery-powered devices.
• Wide input voltage range allows for versatile signal conversion.

Disadvantages

• Limited resolution compared to higher-end ADCs.
• May require additional external components for specific applications.

Working Principles

The AD7839ASZ-REEL operates based on the successive approximation register (SAR) architecture. It samples the analog input signal, compares it to a reference voltage, and generates a digital output representing the input value. The internal circuitry performs a series of approximations to determine the most accurate digital representation of the analog signal.

Detailed Application Field Plans

The AD7839ASZ-REEL finds applications in various fields, including but not limited to:

1. Industrial Automation: Used for data acquisition and control systems in industrial processes.
2. Medical Devices: Enables precise measurement and monitoring of vital signs and patient parameters.
3. Test and Measurement Equipment: Provides accurate signal conversion for scientific instruments and testing devices.
4. Communication Systems: Used in signal processing and modulation/demodulation applications.
5. Automotive Electronics: Enables sensor data conversion for automotive control systems.

Detailed and Complete Alternative Models

1. AD7889ASZ-REEL: A similar ADC with higher resolution (16 bits) and extended temperature range.
2. AD7799ARSZ-REEL: An ADC with lower power consumption and higher accuracy for low-frequency applications.
3. AD7266BRUZ-REEL: A multi-channel ADC with simultaneous sampling capability for high-speed