ADS7828EB/2K5

Product Overview

Category

The ADS7828EB/2K5 belongs to the category of analog-to-digital converters (ADCs).

Use

This product is 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 ADS7828EB/2K5 offers a resolution of 12 bits, ensuring accurate conversion of analog signals.
• Low power consumption: This ADC operates at low power levels, making it energy-efficient.
• Wide input voltage range: It can handle input voltages ranging from 0V to Vref, providing flexibility in signal acquisition.
• Fast conversion rate: With a maximum conversion rate of 200 kilosamples per second (ksps), it enables real-time data acquisition.

Package

The ADS7828EB/2K5 is available in a small outline integrated circuit (SOIC) package, which ensures easy integration into electronic systems.

Essence

The essence of the ADS7828EB/2K5 lies in its ability to accurately convert analog signals into digital data, facilitating further processing and analysis.

Packaging/Quantity

This product is typically packaged in reels or tubes, with each reel containing a specific quantity of ADCs. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Resolution: 12 bits
• Input Voltage Range: 0V to Vref
• Conversion Rate: Up to 200 ksps
• Power Supply: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Interface: I2C

Detailed Pin Configuration

The ADS7828EB/2K5 has a total of 16 pins, each serving a specific function. Here is the detailed pin configuration:

1. VDD: Power supply voltage
2. GND: Ground reference
3. SDA: Serial data input/output for I2C communication
4. SCL: Serial clock input for I2C communication
5. ADDR0: Address selection bit 0
6. ADDR1: Address selection bit 1
7. ADDR2: Address selection bit 2
8. AIN0: Analog input channel 0
9. AIN1: Analog input channel 1
10. AIN2: Analog input channel 2
11. AIN3: Analog input channel 3
12. AIN4: Analog input channel 4
13. AIN5: Analog input channel 5
14. AIN6: Analog input channel 6
15. AIN7: Analog input channel 7
16. REF: Reference voltage input

Functional Features

• Multi-channel input: The ADS7828EB/2K5 supports up to 8 analog input channels, allowing simultaneous conversion of multiple signals.
• Programmable gain amplifier: It includes a programmable gain amplifier that enables amplification of weak analog signals, enhancing the overall signal-to-noise ratio.
• Alert function: This ADC features an alert pin that can be configured to trigger an interrupt or alert when certain conditions are met, providing real-time monitoring capabilities.

Advantages and Disadvantages

Advantages

• High resolution ensures accurate conversion of analog signals.
• Low power consumption makes it energy-efficient.
• Wide input voltage range provides flexibility in signal acquisition.
• Fast conversion rate enables real-time data acquisition.
• Multi-channel input allows simultaneous conversion of multiple signals.
• Programmable gain amplifier enhances signal quality.
• Alert function enables real-time monitoring.

Disadvantages

• Limited to I2C interface for communication.
• May require additional components for voltage reference and amplification.

Working Principles

The ADS7828EB/2K5 operates based on the successive approximation register (SAR) architecture. It samples the analog input voltage, performs a comparison with the internal reference voltage, and generates a digital output representing the converted value. The conversion process is controlled by an internal clock and can be triggered manually or automatically.

Detailed Application Field Plans

The ADS7828EB/2K5 finds applications in various fields, including:

1. Industrial Automation: Used for data acquisition in industrial control systems, enabling monitoring and control of processes.
2. Telecommunications: Employed in communication equipment for signal processing and analysis.
3. Consumer Electronics: Integrated into devices such as audio systems and instrumentation for accurate measurement and control.
4. Medical Devices: Utilized in medical instruments for acquiring vital signs and patient monitoring.
5. Automotive: Applied in automotive systems for sensor data acquisition and control.

Detailed and Complete Alternative Models

• ADS7828E: Similar to ADS7828EB/2K5 but without the alert function.
• ADS7830: 8-bit ADC with similar features but