ADS825E/1KG4

Product Overview

Category: Integrated Circuit (IC)

Use: The ADS825E/1KG4 is a high-speed, low-power, 12-bit analog-to-digital converter (ADC) designed for precision measurement applications. It offers excellent performance and versatility, making it suitable for a wide range of industrial and scientific applications.

Characteristics: - High-speed conversion rate - Low power consumption - 12-bit resolution - Wide input voltage range - Differential inputs - Serial interface for easy integration - Small form factor

Package: The ADS825E/1KG4 comes in a compact surface-mount package, ensuring ease of installation and space-saving benefits.

Essence: This ADC is known for its exceptional speed and accuracy, enabling precise measurements in various systems and devices.

Packaging/Quantity: The ADS825E/1KG4 is typically sold in reels containing 1000 units per reel.

Specifications

• Resolution: 12 bits
• Conversion Rate: Up to 1 MSPS (Mega Samples Per Second)
• Input Voltage Range: ±5V
• Power Supply: +5V
• Operating Temperature Range: -40°C to +85°C
• Interface: Serial Peripheral Interface (SPI)

Pin Configuration

The ADS825E/1KG4 features a 16-pin package with the following pin configuration:

Pin 1: VREF- Pin 2: VREF+ Pin 3: AGND Pin 4: DVDD Pin 5: DOUT Pin 6: DIN Pin 7: SCLK Pin 8: CS Pin 9: DGND Pin 10: CLKIN Pin 11: REFOUT Pin 12: REFBUF Pin 13: PDWN Pin 14: CLKOUT Pin 15: VCC Pin 16: VREF/2

Functional Features

• High-speed conversion: The ADS825E/1KG4 can perform conversions at a rate of up to 1 MSPS, allowing for real-time measurements.
• Low power consumption: This ADC is designed to minimize power consumption, making it suitable for battery-powered applications.
• Differential inputs: The differential input architecture enables accurate measurement of signals with common-mode noise rejection.
• Serial interface: The SPI interface simplifies integration with microcontrollers and other digital systems.
• Wide input voltage range: The ±5V input voltage range allows for the measurement of both positive and negative signals.

Advantages and Disadvantages

Advantages: - High-speed conversion rate enables real-time measurements. - Low power consumption extends battery life in portable devices. - Differential inputs provide excellent noise rejection. - Small form factor allows for space-saving installations. - Wide input voltage range accommodates various signal levels.

Disadvantages: - Limited resolution compared to higher-end ADCs. - Requires an external reference voltage for accurate measurements.

Working Principles

The ADS825E/1KG4 utilizes a successive approximation register (SAR) architecture to convert analog signals into digital data. It samples the input voltage, compares it to a reference voltage, and iteratively determines the digital representation of the input signal.

The internal circuitry of the ADC includes a sample-and-hold amplifier, a comparator, a SAR logic block, and a serial interface for data transfer.

Detailed Application Field Plans

The ADS825E/1KG4 finds applications in various fields, including but not limited to: - Industrial automation - Data acquisition systems - Medical equipment - Test and measurement instruments - Communication systems - Robotics

Its high-speed conversion, low power consumption, and wide input voltage range make it suitable for precision measurement and control in these domains.

Detailed and Complete Alternative Models

• ADS826E/1KG4: Similar to the ADS825E/1KG4, but with a higher resolution of 16 bits.
• ADS824E/1KG4: A lower-resolution version of the ADS825E/1KG4, offering 10-bit resolution.
• ADS827E/1KG4: An enhanced version with improved performance characteristics, including higher speed and lower power consumption.

These alternative models provide options for different application requirements, allowing users to choose the most suitable ADC for their specific needs.

Word count: 527 words