Home > Industry Information > Introduction To LTC1290DCSW#PBF
The LTC1290DCSW#PBF is a high-performance special-purpose ADC chip developed by Analog Devices Inc., belonging to professional data acquisition integrated circuits. It integrates complete analog-to-digital conversion and signal processing modules, suitable for precise industrial and embedded analog signal acquisition scenarios.
Category:Integrated Circuits (ICs),Data Acquisition,ADCs/DACs - Special Purpose
Operating Temperature:0°C ~ 70°C
Manufacturer:Analog Devices Inc.
Mounting Type:Surface Mount
Packaging:Tube
Package / Case:20-SOIC (0.295", 7.50mm Width)
Part Status:Active
Sampling Rate (Per Second):50k
Base Product Number:LTC1290
Data Interface:SPI
High Precision:This chip adopts 12-bit SAR conversion architecture, supporting unipolar and bipolar analog-to-digital conversion with low offset error of ±1.5LSB, ensuring high-precision signal conversion results.It delivers stable and accurate data output for weak analog signal collection.
Fast Sampling:It features a maximum throughput sampling rate of 50k per second and a maximum conversion time of 13µs across the full operating temperature range, realizing rapid real-time acquisition of analog signals and meeting high-speed detection demands.
Flexible Input:Equipped with an 8-channel analog multiplexer, it supports configurable single-ended,differential,or mixed input modes, adapting to diverse analog signal access requirements in different circuit designs.
Low Power Loss:The chip operates with a low supply current of 6mA and supports software-controlled power-down mode in idle state, effectively reducing system power consumption and optimizing energy efficiency of embedded devices.
Wide Compatibility:It adopts standard SPI data interface with four-wire design, directly compatible with most MPU serial and parallel ports. It supports both MSB-first and LSB-first data transmission for flexible protocol matching.
Integrated Design:Built-in sample-and-hold circuit for all single-ended input channels eliminates the need for external sampling devices, simplifying peripheral circuit design and improving system integration and stability.
Sensor Sampling:Applied in industrial temperature transmitters and hydraulic pressure sensors, it precisely converts tiny analog voltage signals generated by sensor deformation and temperature changes into standard digital signals for backend microcontroller processing.
Instrument Detection:Embedded in handheld multimeter testers and portable vibration data loggers, it achieves real-time quantization of multi-channel analog detection signals, ensuring high-precision and fast-response measurement results for field testing.
Industrial Control:Integrated into PLC analog acquisition expansion modules and automated conveyor belt control units, it collects real-time analog signals of motor speed and equipment load to support accurate closed-loop operation adjustment.
Embedded System:Built in outdoor smart air quality monitors and low-power battery-powered environmental detectors, it supports long-term stable multi-channel analog signal collection with minimal power consumption.
Power Monitoring:Installed in server power supply detection modules and distribution box voltage monitoring units, it continuously collects real-time voltage and current analog data to realize real-time fault judgment and status monitoring of power equipment.
The LTC1290DCSW#PBF is a high-performance, low-power and highly adaptable special-purpose ADC chip with excellent sampling speed and conversion precision. Its flexible configuration and integrated design make it a reliable choice for multi-channel analog data acquisition in industrial control and embedded fields.
Industry Information
