AD7828KP-REEL

Product Overview

Category

The AD7828KP-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 various applications in industries such as telecommunications, industrial automation, and consumer electronics.

Characteristics

• High-resolution: The AD7828KP-REEL offers a resolution of 12 bits, ensuring accurate conversion of analog signals.
• Fast conversion rate: With a maximum sampling rate of 1 MSPS (mega samples per second), it can quickly convert analog signals into digital form.
• Low power consumption: This ADC operates at low power levels, making it energy-efficient and suitable for battery-powered devices.
• Wide input voltage range: It supports a wide input voltage range, allowing it to handle various signal amplitudes.
• Serial interface: The AD7828KP-REEL features a serial interface, enabling easy integration with microcontrollers and other digital systems.

Package and Quantity

The AD7828KP-REEL is available in a small form factor package, typically a 20-lead plastic dual in-line package (PDIP). It is commonly sold in reels containing multiple units, providing convenience for high-volume production.

Specifications

• Resolution: 12 bits
• Sampling Rate: Up to 1 MSPS
• Input Voltage Range: ±Vref
• Power Supply: +5V
• Operating Temperature Range: -40°C to +85°C
• Interface: Serial (SPI/I2C)

Pin Configuration

The AD7828KP-REEL has a total of 20 pins. Here is the detailed pin configuration:

1. VDD: Power supply positive terminal
2. VREF: Reference voltage input
3. AGND: Analog ground
4. VIN: Analog input voltage
5. VIN: Analog input voltage
6. VIN: Analog input voltage
7. VIN: Analog input voltage
8. VIN: Analog input voltage
9. VIN: Analog input voltage
10. VIN: Analog input voltage
11. VIN: Analog input voltage
12. VIN: Analog input voltage
13. VIN: Analog input voltage
14. VIN: Analog input voltage
15. VIN: Analog input voltage
16. VIN: Analog input voltage
17. VIN: Analog input voltage
18. VIN: Analog input voltage
19. SCLK: Serial clock input
20. SDATA: Serial data output

Functional Features

• High-resolution conversion: The AD7828KP-REEL provides accurate conversion of analog signals into 12-bit digital data.
• Fast sampling rate: With a maximum sampling rate of 1 MSPS, it can capture rapid changes in analog signals.
• Low power consumption: This ADC operates at low power levels, making it suitable for battery-powered devices and energy-efficient applications.
• Easy integration: The serial interface allows seamless integration with microcontrollers and other digital systems.
• Wide input voltage range: It supports a wide range of input voltages, enabling the conversion of various signal amplitudes.

Advantages and Disadvantages

Advantages

• High resolution ensures precise conversion of analog signals.
• Fast sampling rate enables capturing of rapid changes in signals.
• Low power consumption makes it suitable for portable and energy-efficient applications.
• Wide input voltage range allows handling of different signal amplitudes.
• Serial interface simplifies integration with digital systems.

Disadvantages

• Limited to 12-bit resolution, which may not be sufficient for certain high-precision applications.
• Requires an external reference voltage source for accurate conversions.

Working Principles

The AD7828KP-REEL operates on the principle of successive approximation. It samples the analog input voltage and compares it to a reference voltage. By iteratively adjusting the digital code, it converges towards the closest digital representation of the analog signal. This process continues until the desired resolution is achieved.

Detailed Application Field Plans

The AD7828KP-REEL finds applications in various fields, including:

1. Telecommunications: Used for signal processing in communication systems, such as base stations and modems.
2. Industrial Automation: Enables precise measurement and control in industrial processes, such as monitoring sensors and actuators.
3. Consumer Electronics: Integrated into devices like audio equipment, medical instruments, and portable devices for accurate data acquisition.

Alternative Models

Here are some alternative models that offer similar functionality:

1. AD7829KP-REEL: A higher-resolution version with 14-bit conversion capability.
2. AD7791BRUZ: A low-power, 24-bit ADC suitable for high-precision applications.
3. MCP3208-CI/P: An 8-channel, 12-bit ADC with SPI interface.

In conclusion, the AD7828KP-REEL is a 12-bit analog