LTC2642ACDD-16#TRPBF

Reference Type:	External
Base Part Number:	LTC2642
Supplier Device Package:	10-DFN (3x3)
Package / Case:	10-WFDFN Exposed Pad
Operating Temperature:	0°C ~ 70°C
Architecture:	R-2R
INL/DNL (LSB):	±0.5, ±0.5
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 - Unbuffered
Settling Time:	1µs (Typ)
Number of D/A Converters:	1
Number of Bits:	16
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Data Acquisition - Digital to Analog Converters (DACs)Digital to analog converters (DACs) are a class of electronic device that convert digital signals, such as those generated by a computer, into analog signals, such as audio or other physical signals. DACs are important components in a wide range of applications, ranging from personal electronics (eg music players, low-cost audio systems, etc.) to commercial industrial equipment (eg control systems, data acquisition, etc).The LTC2642ACDD-16#TRPBF is a high performance, low-power, 16 bit DAC. It is designed for applications that require tight tolerance performance, low noise, and low power consumption. It has a wide power supply range (2.5V to 5.5V) and is capable of operating from 3.3V or 5V digital logic levels. The output voltage is adjustable from 0 V to full-scale range, and has ±1LSB full scale nonlinearity accuracy when used with the internal reference. A lowpower shutdown mode is also available to reduce power consumption.The LTC2642ACDD-16#TRPBF is suitable for applications where high accuracy is required for digital audio, data acquisition, image creation and manipulation, instrumentation, and control systems. It is available in 8-pin SOIC and 8-pin TSSOP packages, making it suitable for portable applications where board space and power consumption are important considerations.The LTC2642ACDD-16#TRPBF has a very simple and straightforward operating principle. Input data is supplied to the DAC from a digital logic source, typically from a microcontroller, such as an Arduino. This data is converted to an analog voltage through a resistive ladder, a technique commonly used in DACs. The number of resistors in the ladder depends on the resolution of the device. The output voltage is then compared to the internal reference voltage and adjusted accordingly. This output voltage can be changed by varying the digital input data, allowing the user to specify different levels of output voltage with different digital values.In summary, the LTC2642ACDD-16#TRPBF is a high performance 16-bit DAC with low noise and low power consumption. It is suited to applications that require high accuracy and tight tolerance performance. The device is packaged as an 8-pin SOIC or 8-pin TSSOP, making it suitable for portable applications. The operating principle is straightforward, converting digital input data to an analog voltage through a resistive ladder, and comparing this voltage to an internal reference for adjustment.

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