LTC2644IMS-L8#TRPBF

Reference Type:	External, Internal
Base Part Number:	LTC2644
Supplier Device Package:	12-MSOP
Package / Case:	12-TSSOP (0.118", 3.00mm Width)
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:	PWM
Differential Output:	No
Output Type:	Voltage - Buffered
Settling Time:	7µs (Typ)
Number of D/A Converters:	2
Number of Bits:	8
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Data Acquisition - Digital to Analog Converters (DAC)The LTC2644IMS-L8#TRPBF is a high performance, 8-bit digital to analog converter (or DAC) from Linear Technology. The highly-integrated IC allows for a simpler design and greater precision when interfacing digital systems to analog signals over a wide dynamic range.The LTC2644IMS-L8#TRPBF comes in both micro-sized surface mount (2 mm x 2 mm) and standard 8-pin SOIC packages for easier integration into a variety of systems. The device collects data from the serial bus, evaluates and outputs the correct analog voltage. It is capable of operating over a wide range of supply voltages.The LTC2644IMS-L8#TRPBF allows for 8-bit resolution and features a buffered current output with a maximum current of 20mA. It also features an internal reference, an externally settable reference, or an external reference from an additional device.The device operates on a 3-wire serial interface system that supports daisy-chaining multiple devices for larger conversion ranges and higher resolution. It also supports a variety of control codes for write operations that take place over the serial bus.For added flexibility and accuracy, the device also offers programmable power-on reset. This ensures that the device will reset itself after a power failure and output a known voltage.The LTC2644IMS-L8#TRPBF is widely used in a variety of applications, ranging from automotive controls to industrial process control systems. The device is particularly well-suited for applications where high-resolution conversion of an analog signal is required, such as data acquisition systems.The LTC2644IMS-L8#TRPBF works on the principle of a digitally controlled variable resistor. A resistor array is used as the active element for conversion; the resistance of each resistor is set by the digital code that is sent over the serial bus.To achieve the highest level of accuracy, the LTC2644IMS-L8#TRPBF utilizes a proprietary calibration process that is done at the factory. This calibration process ensures that the output voltage is extremely accurate for all inputs, over the entire operating temperature range.Another benefit of the LTC2644IMS-L8#TRPBF is its low power consumption. The device can operate from a single supply voltage of 2.7V to 5.5V, making it ideal for battery-based applications.Overall, the LTC2644IMS-L8#TRPBF is an excellent choice for digital to analog conversion in a variety of applications. The device offers good performance, high accuracy, and low power consumption all in a tiny, low-cost package.

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