LTC1798CS8-3
Precision 3V voltage reference ICs in 8-pin SOIC package
Manufacturer： linear-technology
series introduction
# Introduction to the LTC1798CS8 - 3 Product Series
## 1. Overview
The LTC1798CS8 - 3 belongs to a specialized and high - performance product series developed by Linear Technology (now part of Analog Devices). This series is designed to meet the demanding requirements of various electronic applications, offering a combination of precision, efficiency, and reliability.
## 2. Key Features
### 2.1 High - Precision Voltage Reference
- The LTC1798CS8 - 3 provides a highly accurate and stable output voltage. With a specified output voltage of 3V, it offers tight initial accuracy, typically within a very low tolerance range. This high precision is crucial in applications where accurate voltage levels are required for proper operation, such as in sensor interfaces, data acquisition systems, and precision analog circuits.
- It has excellent temperature stability, which means that the output voltage remains relatively constant over a wide temperature range. This characteristic is essential for applications that operate in harsh environmental conditions, ensuring consistent performance regardless of temperature fluctuations.
### 2.2 Low Power Consumption
- One of the standout features of the LTC1798CS8 - 3 is its low power consumption. It is designed to operate with minimal power requirements, making it suitable for battery - powered devices and energy - efficient applications. The low quiescent current ensures that the device consumes very little power when in standby or idle mode, thereby extending the battery life of portable devices.
### 2.3 Small Form Factor
- The LTC1798CS8 - 3 comes in an 8 - pin SOIC (Small Outline Integrated Circuit) package. This compact form factor allows for easy integration into space - constrained printed circuit boards (PCBs). It is an ideal choice for applications where board real estate is limited, such as in handheld devices, wearables, and miniaturized electronic systems.
### 2.4 Low Output Noise
- The device exhibits low output noise, which is beneficial for applications that are sensitive to noise interference. In analog circuits, low noise is essential to maintain the integrity of the signal. For example, in audio applications or high - resolution measurement systems, the low output noise of the LTC1798CS8 - 3 helps to ensure accurate and clean signal processing.
## 3. Functional Block Diagram and Operation
The LTC1798CS8 - 3 consists of several key functional blocks. At its core is a precision voltage reference circuit that generates the stable 3V output. The reference circuit is designed to be immune to power supply variations and other external disturbances.
- The input stage of the device is designed to accept a wide range of input voltages, providing flexibility in power supply design. It has built - in protection mechanisms to prevent damage from over - voltage and reverse - voltage conditions.
- The output stage is optimized to drive a certain amount of load current while maintaining the output voltage accuracy. It can source or sink a limited amount of current, which is sufficient for most common applications.
## 4. Applications
### 4.1 Sensor Interfaces
- In sensor applications, accurate voltage references are required to ensure the proper operation of sensors. The LTC1798CS8 - 3 can be used as a voltage reference for various types of sensors, such as temperature sensors, pressure sensors, and light sensors. Its high precision and low noise characteristics help to improve the accuracy and reliability of sensor measurements.
### 4.2 Data Acquisition Systems
- Data acquisition systems need precise voltage references to convert analog signals into digital values accurately. The LTC1798CS8 - 3 can be used as a reference voltage for analog - to - digital converters (ADCs) in these systems. Its stability over temperature and low power consumption make it a
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8-SOIC
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