LTC2634IUD-LMI12#PBF

Reference Type:	External, Internal
Base Part Number:	LTC2634
Supplier Device Package:	16-QFN-EP (3x3)
Package / Case:	16-WFQFN Exposed Pad
Operating Temperature:	-40°C ~ 85°C
Architecture:	--
INL/DNL (LSB):	±1, ±1 (Max)
Voltage - Supply, Digital:	2.7 V ~ 5.5 V
Voltage - Supply, Analog:	2.7 V ~ 5.5 V
Series:	--
Data Interface:	SPI
Differential Output:	No
Output Type:	Voltage - Buffered
Settling Time:	4.2µs (Typ)
Number of D/A Converters:	4
Number of Bits:	12
Part Status:	Active
Packaging:	Tube

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Application Field and Working Principle of LTC2634IUD-LMI12#PBFData Acquisition - Digital to Analog Converters (DAC), or Digital to Analog Converters, are used to convert digital data into analog signals. These signals are used for electrical signal processing tasks such as testing, analyzing, modifying, measuring, and displaying the signal\'s characteristics. The LTC2634IUD-LMI12#PBF is one such device, implementing a low power, low voltage, higher resolution, low distortion, and faster performance.The LTC2634IUD-LMI12#PBF is an improved version of the LTC238, featuring a 12-bit monolithic digital-to-analog converter with a low power and low noise, 4-channel I2C interface up to 4.7 MHz, optional shutdown mode, high speed update rate and zero latency, and excellent temperature stability. This DAC is suitable for applications requiring extended resolutions at faster rates such as medical, military, industrial, and instrumentation/control.The purpose of a digital-analog converter is to transform digital information into an analog signal. In this way, digital inputs, like an audio signal, can be converted into an analog signal that can be amplified and heard through an audio system. For example, the LTC2634IUD-LMI12#PBF can be used to convert the 0-11bits of the video signal from a video game console into a 0-10V analog signal which can then be utilized to control motor speed.The LTC2634IUD-LMI12#PBF also uses a pair of reference inputs, with separate ranges for each channel. This provides superior resolution and accuracy for applications that require extremely precise control. In addition, the device has an internal band gap reference, eliminating the need for an external reference voltage. The converter also has a power efficient PDM (pulse-density modulation) mode, which allows the converter to retain its low power consumption while still providing a fast conversion rate. This mode is especially useful for applications that require high resolution conversion of analog signals. PDM also eliminates any need for an external clock.The LTC2634IUD-LMI12#PBF is designed to work with the I2C protocol, which allows for a fast and simple connection between the DAC and the microcontroller. It operates in one of two modes - Write or Read, depending on whether the DAC needs to output a signal or receive one. The I2C bus also provides a simple way of configuring the device, making it easy to adjust status registers and set update rates.The LTC2634IUD-LMI12#PBF is a highly robust device that offers excellent performance and reliability. It is suitable for a wide range of applications, including industrial and instrumentation, medical and military applications, and a variety of consumer products that require a low degradation rate. The device\'s low power and excellent update rate make it ideal for applications requiring fast and accurate conversion of digital to analog signals.

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