LTC1294DCN
12-bit 8-channel analog-to-digital converters in 20-pin DIP format
Manufacturer： linear-technology
series introduction
# LTC1294DCN Product Series Introduction
## 1. Overview
The LTC1294DCN belongs to a high - performance product series developed by Linear Technology (now part of Analog Devices). It is a 12 - bit, low - power, successive - approximation analog - to - digital converter (ADC) that offers a wide range of applications in various industries due to its excellent performance and features.
## 2. Key Features
### 2.1 High - Resolution Conversion
With a 12 - bit resolution, the LTC1294DCN can provide up to 4096 discrete output levels. This high level of resolution allows for precise measurement of analog signals, making it suitable for applications where accurate data acquisition is crucial, such as sensor signal processing, instrumentation, and control systems.
### 2.2 Low Power Consumption
One of the standout features of the LTC1294DCN is its low power consumption. It is designed to operate efficiently, which is especially important for battery - powered devices or applications where power management is a concern. The low power operation helps to extend the battery life of portable devices and reduces the overall energy consumption in larger systems.
### 2.3 Successive - Approximation Architecture
The successive - approximation register (SAR) architecture used in the LTC1294DCN offers a good balance between conversion speed and power consumption. It can perform conversions relatively quickly compared to some other ADC architectures, typically achieving conversion times in the microsecond range. This makes it suitable for applications that require real - time data acquisition, such as data logging and monitoring systems.
### 2.4 Wide Input Voltage Range
The LTC1294DCN supports a wide input voltage range, which provides flexibility in different applications. It can handle both single - ended and differential input signals, allowing it to interface with a variety of sensors and signal sources. The ability to accept different input types and voltage levels makes it a versatile choice for many analog - to - digital conversion tasks.
### 2.5 Serial Interface
It is equipped with a serial interface, which simplifies the connection to microcontrollers, digital signal processors (DSPs), and other digital devices. The serial interface reduces the number of pins required for communication, saving board space and reducing the complexity of the overall system design. This makes it easier to integrate the LTC1294DCN into existing or new electronic systems.
## 3. Technical Specifications
### 3.1 Conversion Rate
The LTC1294DCN can achieve a maximum conversion rate of up to [X] kilosamples per second (ksps), depending on the operating conditions and configuration. This relatively high conversion rate enables it to capture fast - changing analog signals accurately.
### 3.2 Power Supply
It typically operates from a single power supply voltage in the range of [X] volts to [X] volts. This wide power supply range allows for compatibility with different power sources and system requirements.
### 3.3 Input Impedance
The input impedance of the LTC1294DCN is designed to be high, which minimizes the loading effect on the input signal source. This ensures that the ADC does not significantly affect the performance of the connected sensors or other analog components.
### 3.4 Accuracy and Linearity
The device offers excellent accuracy and linearity. It has a low integral non - linearity (INL) and differential non - linearity (DNL), which means that the output code is a highly linear representation of the input analog signal. This high level of accuracy is essential for applications that require precise measurement and control.
## 4. Applications
### 4.1 Industrial Automation
In industrial automation systems, the LTC1294DCN can be
Images for reference
20-DIP
20-DIP_05-08-1510
20-DIP Pkg