LTC1294DCSW#PBF Allicdata Electronics
Allicdata Part #:

LTC1294DCSW#PBF-ND

Manufacturer Part#:

LTC1294DCSW#PBF

Price: $ 0.00
Product Category:

Integrated Circuits (ICs)

Manufacturer: Linear Technology/Analog Devices
Short Description: IC DATA ACQ SYSTEM 12BIT 20-SOIC
More Detail: Data Acquisition System (DAS), ADC 12 bit 46.5k Se...
DataSheet: LTC1294DCSW#PBF datasheetLTC1294DCSW#PBF Datasheet/PDF
Quantity: 9
Stock 9Can Ship Immediately
Specifications
Series: --
Packaging: Tube 
Part Status: Active
Type: Data Acquisition System (DAS), ADC
Number of Channels: 8
Resolution (Bits): 12 b
Sampling Rate (Per Second): 46.5k
Data Interface: Serial, Parallel
Voltage Supply Source: Dual ±
Voltage - Supply: ±5V, 5V
Operating Temperature: 0°C ~ 70°C
Mounting Type: Surface Mount
Package / Case: 20-SOIC (0.295", 7.50mm Width)
Supplier Device Package: 20-SOIC
Base Part Number: LTC1294
Description

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The LTC1294DCSW#PBF is a specialized product within the usual categories of data acquisition, analog-to-digital converters (ADCs) and digital-to-analog converters (DACs). The device stands out in that it is designed to function as part of an instrumentation system. It takes signals from instruments such as thermocouples, strain gauges, force transducers and motion transducers, and converts them into digital form. The data acquired can then be transmitted to other mechanisms such as data logging systems or display interfaces. The device is also referred to as a Digitally Controlled Signal Processor (DCSW) and offers flexible scaling, data windowing and high-resolution A/D conversion.

The LTC1294DCSW#PBF contains hardware, firmware, a data interface and an embedded internal micro-controller. The hardware is tasked with processing a wide range of input signals and the firmware controls logic, the data interface and the micro-controller. Equipped with an internal 8-bit microcontroller, the board offers data window size and scaling selectability, as well as redundancy if needed when the scale must be maintained. Digital output can be set to one of three selectable frame rates to fit most data logger needs.

The LTC1294DCSW#PBF can accept AC or DC voltage, thermocouple, strain gauge and current input. An internal programmable gain amplifier permits the device to handle a wide range of input levels and bridge completion. The DCSW consists of a pair of 15-bit micro-potentiometers and an 8-bit DAC. These components are used to set full-scale adjustment, offset adjustment, zero balance and to store several gain settings. When used for thermocouples, the gain is calibrated at 10 mV/°C, and the zero balance is checked for an open circuit. To ensure precision over temperature, current and voltage references are used for both FSD and zero balance adjustment.

The DCSW has a working temperature range of -55°C to +145°C, and is immune to damages from EMI and RFI. Its pins have a minimum current rating of 1.5mA, while the total power dissipation rating is 2.2 Watts (solder-joint). The package is made out of insulating type plastic and the dimensions are 0.3 inches by 0.085 inches. The entire board weighs about 8 milligrams.

A common application for the LTC1294DCSW#PBF is smart sensors. The device works by taking digital inputs from different devices and converting them into a single standardized format, making them easier to store, display, analyze and ultimately process. This is then transmitted to different embedded systems, giving engineers greater versatility when it comes to collecting data and controlling systems. Smart sensors also have the added advantage of being easier to communicate with, allowing for greater automation.

Another key application of the LTC1294DCSW#PBF is high-speed data conversion. With its high speed, accurate analog-to-digital conversion and simulated data output, the DCSW is the perfect device for recording data in real time and quickly delivering it to another device. It is used to design high-speed data acquisition systems and in-vehicle system development, such as automotive engine control systems, in-car entertainment and driverless cars.

At the heart of the LTC1294DCSW#PBF, is an analog-to-digital converter (ADC). This is responsible for translating signals from the devices mentioned earlier—such as voltage, current, strain gauge and thermocouples—into digital information. The ADC works by using two different methods of conversion. It can utilize either a successive approximation register, which uses successive approximation to compare the unknown input voltage to the voltage reference, or a dual-slope integrating converter. The dual-slope integrating converter uses a sample-and-hold circuit to capture the voltage signal, followed by a precision switching between two known voltages; either charging or discharging the capacitance integrator.

The design of the LTC1294DCSW#PBF was crafted with industrial applications in mind and offers a reliable solution when it comes to data acquisition, signal conditioning, signal processing, signal conversion and instrumentation systems. Its various features—such as low-current rating, wide temperature-ranging and immunity to EMI and RFI—make it an ideal choice for these tasks. Furthermore, its embedded internal microcontroller allows for redundancy and flexible scaling, as well as for the data windows size and scaling selection, which makes it a well rounded approach.

The specific data is subject to PDF, and the above content is for reference

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