LTC2634HMSE-HZ12#TRPBF

Reference Type:	External, Internal
Base Part Number:	LTC2634
Supplier Device Package:	10-MSOP-EP
Package / Case:	10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad
Operating Temperature:	-40°C ~ 125°C
Architecture:	--
INL/DNL (LSB):	±1, ±1 (Max)
Voltage - Supply, Digital:	5V
Voltage - Supply, Analog:	5V
Series:	--
Data Interface:	SPI
Differential Output:	No
Output Type:	Voltage - Buffered
Settling Time:	4.8µs (Typ)
Number of D/A Converters:	4
Number of Bits:	12
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

The LTC2634HMSE-HZ12#TRPBF is an integrated Digital-to-Analog Converter (DAC) from the family of Data Acquisition discrete components. When incorporated in any system, a DAC provides a means for analog voltage control; an integral feature for system control and signal conditioning. This product represents Linear Technologies’ highest precision DAC technology, which resolves signal remote control or fine-tuning adjustments in industrial, medical and consumer applications.

Application Field

These cutting-edge technologies are becoming increasingly essential within precision system control platforms and the potential applications are extremely wide-ranging. High end uses of this kind of product development include processes such as instrumental control, motion control, data acquisition, power supply, diagnostic and telecommunication systems. In industrial automation, many of these applications utilize fibre optic data transfer technologies, as significantly improved response and signal control times are achievable around factory processes. High resolution DAC chips are being increasingly adopted throughout digital measurement platforms and these converters take on many guises for an array of applications.The LTC2634HMSE-HZ12#TRPBF DAC carries a monotonic, low-power over an MSOP-10 package to offer superior charecteristics and small space occupation requirements. With an extended operating temperature range and industrial-grade protective features, this chip is utilized widely in aerospace industry, oil and gas exploration, and environmental monitoring. Additionally, it is widely applied in audio and video systems, medical, communications and imaging systems.

Working Principle and Structure

The LTC2634HMSE-HZ12#TRPBF is based on a two-step architecture. Its two-stage design consists of a digitally-programmed resistor and a multiplying DAC. The first stage is a digitally programmable resistor, which uses a high-accuracy, low-drift digital potentiometer to set the target voltage across the scaling resistor. The digital potentiometer\'s full-scale resistance is adjustable via a serial interface and is then used to set the target voltage. The second stage is a multiplying DAC, which consists of an internal DAC, a set of internal voltage reference, and a 2:1 multiplexer. This stage amplifies the digital reference from the programmed resistor and produces the output analog voltage.The LTC2634HMSE-HZ12#TRPBF DAC is designed for precision applications, delivering 14-bit resolution and features low power, high accuracy and low noise operation over an extended operating temperature range. It also features a low power feature that reduces power consumption to virtually zero in standby mode, making the chip an ideal solution for battery-powered systems. The DAC also offers additional features such as EEPROM memory, differential non-linearity, gain error, offset error and temperature drift, all of which help to ensure accurate control and eliminate any inaccuracies caused by factors such as changes in environmental conditions.

Conclusion

In conclusion, the LTC2634HMSE-HZ12#TRPBF is a high precision, low power, digital-to-analog converter designed for industrial, medical and consumer applications. This chip is gaining popularity due to its superior performance combined with the fact that it is highly cost effective and occupies minimal space. This DAC provides a digital-controlled system solution that is ideal for precision applications over a wide range of environments.

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