LTC1861LIS8#PBF

Product Overview

The LTC1861LIS8#PBF is a high-performance, low-power 16-bit analog-to-digital converter (ADC) designed for precision measurement applications. This device belongs to the category of integrated circuits and is commonly used in industrial automation, instrumentation, and data acquisition systems. The LTC1861LIS8#PBF is known for its exceptional accuracy, low power consumption, and small package size, making it an ideal choice for space-constrained designs.

Basic Information

• Category: Integrated Circuits
• Use: Precision measurement applications
• Characteristics: High accuracy, low power consumption
• Package: 8-pin surface mount plastic package
• Essence: High-performance 16-bit ADC
• Packaging/Quantity: Available in tape and reel packaging with quantities varying by supplier

Specifications

• Resolution: 16 bits
• Conversion Rate: Up to 250ksps
• Supply Voltage Range: 2.7V to 5.25V
• Power Consumption: 300µA at 3V
• Operating Temperature Range: -40°C to 85°C
• Input Voltage Range: 0V to VCC

Detailed Pin Configuration

The LTC1861LIS8#PBF features the following pin configuration: 1. VIN+ (Pin 1): Positive Analog Input 2. VIN- (Pin 2): Negative Analog Input 3. REF (Pin 3): Reference Voltage Input 4. GND (Pin 4): Ground 5. SCK (Pin 5): Serial Clock Input 6. SDI (Pin 6): Serial Data Input 7. CS (Pin 7): Chip Select 8. SDO (Pin 8): Serial Data Output

Functional Features

• High Resolution: Provides 16-bit resolution for precise measurements
• Low Power Consumption: Ideal for battery-powered applications
• Flexible Supply Voltage Range: Operates from 2.7V to 5.25V
• SPI-Compatible Interface: Allows for easy integration with microcontrollers and digital signal processors

Advantages and Disadvantages

Advantages

• High accuracy and resolution
• Low power consumption
• Small package size
• Wide supply voltage range

Disadvantages

• Limited input voltage range
• Requires external reference voltage

Working Principles

The LTC1861LIS8#PBF utilizes a successive approximation register (SAR) architecture to convert analog input signals into digital output values. It employs an internal reference voltage and integrates a sample-and-hold circuit to ensure accurate and reliable conversions. The device communicates with external microcontrollers or processors through a serial peripheral interface (SPI), enabling seamless data transfer and control.

Detailed Application Field Plans

The LTC1861LIS8#PBF is well-suited for various precision measurement applications, including: - Industrial Automation: Monitoring and control of critical parameters in manufacturing processes - Instrumentation: High-precision data acquisition for scientific and laboratory equipment - Sensor Interfaces: Converting sensor outputs into digital data for analysis and processing

Detailed and Complete Alternative Models

• LTC1863: Higher speed and lower power consumption
• LTC1864: Improved input voltage range and integrated reference

In conclusion, the LTC1861LIS8#PBF offers exceptional performance and versatility for precision measurement applications, making it a preferred choice for designers seeking high-resolution ADC solutions in compact form factors.

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