ADS7828EB/2K5G4

Product Overview

Category

The ADS7828EB/2K5G4 belongs to the category of analog-to-digital converters (ADCs).

Use

This product is used to convert analog signals into digital data for processing and analysis in various electronic systems.

Characteristics

• High-resolution: The ADS7828EB/2K5G4 offers a resolution of 12 bits, allowing for precise conversion of analog signals.
• Low power consumption: This ADC operates at low power levels, making it suitable for battery-powered devices.
• Wide input voltage range: It can handle input voltages ranging from 0V to Vref, providing flexibility in signal acquisition.
• Multiple channels: The ADS7828EB/2K5G4 features eight input channels, enabling simultaneous conversion of multiple analog signals.
• Fast conversion rate: With a maximum sampling rate of 200 kilosamples per second (ksps), this ADC ensures efficient data acquisition.

Package and Quantity

The ADS7828EB/2K5G4 is available in a small outline integrated circuit (SOIC) package. It is typically sold in reels containing 2500 units.

Specifications

• Resolution: 12 bits
• Input Voltage Range: 0V to Vref
• Number of Channels: 8
• Sampling Rate: Up to 200 ksps
• Power Supply: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The ADS7828EB/2K5G4 has a total of 16 pins. Here is the detailed pin configuration:

1. VDD: Power supply voltage
2. VREF: Reference voltage for ADC conversion
3. AGND: Analog ground
4. REFOUT: Reference voltage output
5. AIN0: Analog input channel 0
6. AIN1: Analog input channel 1
7. AIN2: Analog input channel 2
8. AIN3: Analog input channel 3
9. AIN4: Analog input channel 4
10. AIN5: Analog input channel 5
11. AIN6: Analog input channel 6
12. AIN7: Analog input channel 7
13. SDA: Serial data input/output
14. SCL: Serial clock input
15. ADDR0: Address selection bit 0
16. ADDR1: Address selection bit 1

Functional Features

• High accuracy: The ADS7828EB/2K5G4 provides accurate conversion of analog signals, ensuring reliable data acquisition.
• I2C interface: It supports the I2C communication protocol, allowing for easy integration with microcontrollers and other devices.
• Programmable gain amplifier: This ADC includes a programmable gain amplifier that enhances the signal-to-noise ratio and improves sensitivity.
• Low noise: The device is designed to minimize noise interference during signal conversion, resulting in cleaner digital data.

Advantages and Disadvantages

Advantages

• High resolution enables precise signal conversion.
• Low power consumption makes it suitable for portable and battery-powered applications.
• Wide input voltage range provides flexibility in signal acquisition.
• Multiple channels allow simultaneous conversion of multiple analog signals.
• Fast conversion rate ensures efficient data acquisition.

Disadvantages

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

Working Principles

The ADS7828EB/2K5G4 operates based on the successive approximation register (SAR) architecture. It samples the analog input voltage and converts it into a digital value using an internal ADC core. The converted digital data is then made available for further processing and analysis.

Application Field Plans

The ADS7828EB/2K5G4 finds applications in various fields, including: - Industrial automation - Medical devices - Test and measurement equipment - Data acquisition systems - Audio processing systems

Alternative Models

Here are some alternative models that offer similar functionality to the ADS7828EB/2K5G4: - ADS7828E: Similar specifications but available in a different package. - ADS7830: 8-channel ADC with 8-bit resolution. - ADS7841: 4-channel ADC with 12-bit resolution.

These alternative models can be considered based on specific application requirements and constraints.

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