LTC2489CDE#TRPBF

Product Overview

Category: Integrated Circuit (IC)

Use: The LTC2489CDE#TRPBF is a high precision, 24-bit analog-to-digital converter (ADC) designed for accurate measurement of analog signals. It is commonly used in applications that require precise data acquisition and conversion.

Characteristics: - High resolution: The LTC2489CDE#TRPBF offers a resolution of up to 24 bits, allowing for highly accurate measurements. - Low noise: It features low noise performance, ensuring reliable and precise signal conversion. - Wide input voltage range: The ADC can handle input voltages ranging from -10V to +10V, making it suitable for a variety of applications. - High sampling rate: With a maximum sampling rate of 1.5ksps, the LTC2489CDE#TRPBF can quickly capture and convert analog signals.

Package: The LTC2489CDE#TRPBF comes in a small form factor package, making it suitable for space-constrained designs. It is available in a 12-pin DFN (Dual Flat No-Lead) package.

Essence: The essence of the LTC2489CDE#TRPBF lies in its ability to accurately convert analog signals into digital data with high resolution and low noise.

Packaging/Quantity: The LTC2489CDE#TRPBF is typically sold in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Resolution: 24 bits
• Input Voltage Range: -10V to +10V
• Sampling Rate: Up to 1.5ksps
• Power Supply: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Package Type: 12-pin DFN

Pin Configuration

The LTC2489CDE#TRPBF has the following pin configuration:

1. VIN+ (Positive Analog Input)
2. VIN- (Negative Analog Input)
3. VREF (Reference Voltage Input)
4. GND (Ground)
5. SCK (Serial Clock Input)
6. SDI (Serial Data Input)
7. SDO (Serial Data Output)
8. CS (Chip Select)
9. EXVDD (External Power Supply)
10. VDD (Power Supply)
11. NC (No Connection)
12. NC (No Connection)

Functional Features

• High precision analog-to-digital conversion
• Low noise performance for accurate measurements
• Wide input voltage range for versatile applications
• Serial interface for easy integration with microcontrollers and other digital systems
• Internal reference voltage for simplified circuit design

Advantages and Disadvantages

Advantages: - High resolution allows for precise measurements - Low noise performance ensures reliable data acquisition - Versatile input voltage range accommodates various signal levels - Small form factor package enables space-constrained designs - Serial interface simplifies integration with digital systems

Disadvantages: - Limited maximum sampling rate compared to some other ADCs - Requires an external power supply for optimal performance

Working Principles

The LTC2489CDE#TRPBF operates based on the principle of successive approximation. It converts analog signals into digital data by comparing the input voltage with a reference voltage and iteratively refining the approximation until the desired resolution is achieved. The converted digital data is then output through the serial interface.

Detailed Application Field Plans

The LTC2489CDE#TRPBF finds applications in various fields that require high precision analog-to-digital conversion, such as: - Industrial automation and control systems - Test and measurement equipment - Data acquisition systems - Medical instrumentation - Precision sensors and transducers

Detailed and Complete Alternative Models

Some alternative models to the LTC2489CDE#TRPBF that offer similar functionality include: - ADS124S08 from Texas Instruments - MCP3421 from Microchip Technology - MAX11100 from Maxim Integrated

These alternative models provide comparable resolution, input voltage range, and sampling rates, offering flexibility in choosing the most suitable ADC for specific applications.

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