LTC2634IMSE-LMX8#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 ~ 85°C
Architecture:	--
INL/DNL (LSB):	±0.05, ±0.5 (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:	3.3µs (Typ)
Number of D/A Converters:	4
Number of Bits:	8
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Data Acquisition encompasses the transfer of signals from physical sources in order to measure their values. Digital to Analog Converters or DACs are devices used to convert digital signals into analog signals. The LTC2634IMSE-LMX8#TRPBF is a Digital to Analog Converter (DAC) designed to enable precision data acquisition in applications ranging from instrumentation to industrial control. This DAC utilizes a low power, high speed serial interface. This device is designed to allow the user to program each channel separately,, providing flexibility and high resolution conversions. It also offers a wide operating voltage range and improved noise immunity. The LTC2634IMSE-LMX8#TRPBF includes an internal voltage reference and external reference input allowing for various conversion ranges. Its internal reference is accurate to 0.05% and its external reference is accurate to 0.01%. It also features an integrated power-on reset circuit that powers up in shutdown mode.The LTC2634IMSE-LMX8#TRPBF has 8 channels, with each channel providing 8-bit resolution. Each channel can be powered down individually to conserve power. The device is capable of both single-channel, single-conversion and simultaneous-channel, simultaneous-conversion operation, allowing for true simultaneous multi-channel conversions.This Digital to Analog Converter utilizes an I2C serial interface for programming, providing flexibility to the user in the field of data acquisition. This serial interface is compatible with several I2C programming pins and supports both simplex and multi-master modes of operation.The LTC2634IMSE-LMX8#TRPBF works according to the inverse volt/amp principle, in which the voltage is proportional to the digital input. Depending on the mode of operation, the digital input format is either an 8-bit left-justified for single-channel operation or 8-bit right-justified for simultaneous-channel operation. The voltage output is proportional to the digital input, according to the formula:

VOUT = VREF*D/256

where VOUT = voltage output, VREF = voltage reference, and D = digital inputThe output ranges of the LTC2634IMSE-LMX8#TRPBF can be divided into two parts, the internal voltage reference and the external voltage reference. The internal voltage reference ranges from 0.1V to 2.5V, while the external voltage reference ranges from 2V to 3.3V. This makes the device suitable for a variety of applications.In addition to the analog output, the device also provides a power-on reset (POR) circuit to ensure reliable power-up states. The POR output is active low and activates when the power supply voltage rises to a certain level.In summary, the LTC2634IMSE-LMX8#TRPBF is a high precision, versatile Digital to Analog Converter (DAC) suitable for a variety of data acquisition applications. Its power-on reset feature allows for reliable power-up states. Its wide voltage range and flexible programming options make it suitable for a variety of applications. Its 8-bit resolution and I2C-compatible serial programming make it an ideal choice for general data acquisition applications.

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