LTC2420CS8

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LTC2420CS8

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Analog to Digital Converters - ADC LTC2420 - 20-Bit - Power No Latency Delta-Sigma ADC in SO-8

  • ПроизводительАналоговые устройства

  • Мфр. Часть #LTC2420CS8

  • Лист данных LTC2420CS8 DataSheet

  • В наличии9920

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Спецификации

Атрибут Ценность

Обзор

Description

The LTC2420CS8 is a precision 20-bit analog-to-digital converter (ADC) from Linear Technology (now part of Analog Devices). It is designed for applications requiring high-resolution measurements, such as in instrumentation and sensor interfaces. The LTC2420CS8 features a delta-sigma architecture, providing no missing codes at 20 bits and ensuring high accuracy and low noise. It offers an effective resolution of up to 18 bits without any digital filter requirement.
This ADC operates from a single 2.7V to 5.5V supply, making it versatile for various applications. It has a simple 3-wire serial interface that is compatible with SPI, simplifying the integration with microcontrollers and other digital systems. The converter also boasts a low power consumption of around 200µA during active conversion, with a shutdown mode that reduces power significantly.
With an integrated oscillator, it does not require any external clock, further simplifying its use. The LTC2420CS8 is suitable for low-frequency measurement applications, including temperature sensors, pressure sensors, and other precision sensor interfacing tasks.

Equivalent

The LTC2420CS8 is a 20-bit delta-sigma analog-to-digital converter (ADC). Equivalent products may include:
1. ADS1220 from Texas Instruments
2. AD7790 from Analog Devices
3. MAX11200 from Maxim Integrated
4. MCP3550 from Microchip Technology
These products share similar functionalities, such as high resolution and low noise, but specific features and performance may vary. It's important to compare datasheets to ensure compatibility with your specific application needs.

Features

The LTC2420CS8 is a high-performance, 20-bit, delta-sigma analog-to-digital converter (ADC). Key features include:
1. Resolution and Accuracy: It offers a 20-bit resolution with no missing codes and excellent linearity, ensuring high accuracy in measurements.

2. Sampling Rate: The device supports a 100 samples per second output rate, suitable for precise, low-speed applications.
3. Input Range: It operates over a wide input range and supports unipolar and bipolar configurations.
4. Noise Performance: The LTC2420CS8 exhibits low noise performance, enhancing the reliability of signal conversion.
5. Power Efficiency: It is designed for low power consumption, making it suitable for battery-operated devices.
6. Supply Voltage: It functions over a wide supply voltage range, typically from 2.7V to 5.5V.
7. Serial Interface: It includes a simple 3-wire serial interface for easy integration with microcontrollers and digital systems.
8. Ease of Use: The ADC features an auto-calibration capability to maintain accuracy and eliminate the need for complex calibration procedures.
These attributes make the LTC2420CS8 ideal for precision measurement applications in various fields, including industrial, medical, and scientific research.

Pinout

The LTC2420CS8 is an integrated circuit used for analog-to-digital conversion, specifically a 20-bit delta-sigma ADC. It comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. Here is a concise description of the pin functions:
1. VCC (Pin 1): Positive supply voltage.
2. GND (Pin 2): Ground reference for the power supply.
3. VREF (Pin 3): Reference voltage input, which determines the ADC's voltage range.
4. V\(_{\text{IN}}\) (Pin 4): Analog input voltage to be converted.
5. SCK (Pin 5): Serial Clock input for synchronizing data communication.
6. SDO (Pin 6): Serial Data Output, where conversion results are transmitted.
7. CS (Pin 7): Chip Select input, used to enable or disable communication with the ADC.
8. FO (Pin 8): Frequency Output, used to select the internal oscillator frequency or a user-supplied clock.
These pin functions enable the LTC2420 to perform precise and reliable analog-to-digital conversions in various applications requiring high resolution and accuracy.

Manufacturer

The LTC2420CS8 is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company that specializes in the design and manufacturing of a wide range of analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Their products are used in various industries, including telecommunications, healthcare, automotive, and consumer electronics. The company is known for its high-performance products and innovative solutions that address complex engineering challenges.

Application

The LTC2420CS8 is a 20-bit, analog-to-digital converter (ADC) with a low power consumption, suitable for precision measurement applications. Key application areas include:
1. Industrial Process Control: Used for accurate monitoring and control of various industrial processes.
2. Data Acquisition Systems: Ideal for collecting and digitizing sensor data.
3. Portable Instrumentation: Its low power consumption makes it suitable for battery-powered devices.
4. Temperature Measurement: Utilized in high-resolution temperature sensing applications.
5. Weigh Scales: Provides precise weight measurements in digital weighing systems.
6. Medical Instruments: Supports high accuracy requirements for various medical diagnostic devices.
Overall, the LTC2420CS8 is well-suited for applications demanding high precision and low power consumption.

Package

The LTC2420CS8 is an 8-pin SOIC (Small Outline Integrated Circuit) package. It is a precision 20-bit analog-to-digital converter (ADC) designed for applications requiring high accuracy and low noise.

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