LTC1298CN8#PBF

Product Overview

Category: Analog-to-Digital Converter (ADC)

Use: The LTC1298CN8#PBF is a high-performance, 12-bit ADC designed for precision measurement applications. It converts analog signals into digital data with high accuracy and speed.

Characteristics: - Resolution: 12 bits - Sampling Rate: Up to 500 kSPS (kilo samples per second) - Input Voltage Range: ±10V - Power Supply: +5V - Interface: Serial (SPI) - Operating Temperature Range: -40°C to +85°C

Package: The LTC1298CN8#PBF comes in an 8-pin plastic DIP (Dual In-line Package) package, which provides ease of use and compatibility with standard PCB designs.

Essence: The essence of the LTC1298CN8#PBF lies in its ability to accurately convert analog signals into digital data, making it suitable for various precision measurement applications.

Packaging/Quantity: The LTC1298CN8#PBF is available in tape and reel packaging, with 1000 units per reel.

Specifications

• Resolution: 12 bits
• Conversion Time: 2.2 µs (typical)
• Input Voltage Range: ±10V
• Differential Nonlinearity (DNL): ±1 LSB (max)
• Integral Nonlinearity (INL): ±1 LSB (max)
• Power Supply Voltage: +5V ±10%
• Power Consumption: 3.5 mW (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The LTC1298CN8#PBF has the following pin configuration:

_______ | | VREF+|1 8|VCC AIN(+)|2 7|SCLK AIN(-)|3 6|MISO CS |4_____|5|GND

1. VREF+ - Positive reference voltage input
2. AIN(+) - Positive analog input
3. AIN(-) - Negative analog input
4. CS - Chip select input
5. GND - Ground
6. MISO - Master In Slave Out (serial data output)
7. SCLK - Serial Clock input
8. VCC - Power supply

Functional Features

• High-resolution conversion: The LTC1298CN8#PBF offers 12-bit resolution, allowing for precise measurement of analog signals.
• Fast sampling rate: With a maximum sampling rate of 500 kSPS, it can capture fast-changing analog signals accurately.
• Low power consumption: The ADC consumes only 3.5 mW of power, making it suitable for low-power applications.
• Serial interface: It utilizes the Serial Peripheral Interface (SPI) for easy integration with microcontrollers and other digital devices.

Advantages and Disadvantages

Advantages: - High accuracy and resolution - Fast conversion speed - Low power consumption - Easy integration with digital systems

Disadvantages: - Limited input voltage range (±10V) - Requires an external reference voltage

Working Principles

The LTC1298CN8#PBF operates based on the successive approximation method. It samples the analog input voltage and compares it to a reference voltage. By iteratively adjusting the digital code, it converges to the closest digital representation of the analog signal. This process is repeated for each conversion, resulting in accurate digital data.

Application Field Plans

The LTC1298CN8#PBF finds applications in various fields, including: 1. Industrial automation 2. Data acquisition systems 3. Instrumentation and measurement equipment 4. Medical devices 5. Automotive electronics

Alternative Models

1. LTC1298CCN8#PBF - Similar to LTC1298CN8#PBF, but with a wider operating temperature range (-40°C to +125°C).
2. LTC1298IN8#PBF - 12-bit ADC in an 8-pin PDIP package with an extended industrial temperature range.

These alternative models offer similar functionality and performance, providing options for different application requirements.

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