LTC2756ACG#PBF

Reference Type:	External
Base Part Number:	LTC2756
Supplier Device Package:	28-SSOP
Package / Case:	28-SSOP (0.209", 5.30mm Width)
Operating Temperature:	0°C ~ 70°C
Architecture:	Multiplying DAC
INL/DNL (LSB):	±0.5, ±0.25
Voltage - Supply, Digital:	2.7 V ~ 5.5 V
Voltage - Supply, Analog:	2.7 V ~ 5.5 V
Series:	SoftSpan™
Data Interface:	SPI
Differential Output:	Yes
Output Type:	Current - Unbuffered
Settling Time:	2.1µs (Typ)
Number of D/A Converters:	1
Number of Bits:	18
Part Status:	Active
Packaging:	Tube

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Introduction to the LTC2756ACG#PBF

The LTC2756ACG#PBF is a DC-coupled Digital to Analog Converter (DAC) designed for high accuracy, low noise performance and flexible range of applications. In a 6-pin configuration, it delivers a resolution of 10 bits and a voltage output range of ±5V. It has the unique ability to reduce and amplify its output range with an external resistor, allowing users to precisely tune the output voltage. It is an inherently low power device with a power consumption less than 200 mW for ±5V outputs.

Application Areas

The LTC2756ACG#PBF is a well-suited for a range of application areas that require precise control of analog signals. It can be used for signal or gain control, or for high-precision signal generation in process control and data acquisition applications. It is typically used in test and measurement systems, such as automated test equipment, automatic gain control loops, and audio signal processing systems. Additionally, it is ideal for adjusting analog values in microcontroller-based systems and embedded applications.

Working Principle

At its core, the LTC2756ACG#PBF is a Digital to Analog Converter (DAC). This means it takes digital input signals and translates them into an analog output voltage. It has an 8-bit parallel input port, which allows it to accept 8 individual binary bits of data. The data are then converted into a binary coded decimal (BCD) number, which describes the voltage level of the output.The output voltage range of the 6-pin LTC2756ACG#PBF is from -5V to +5V, which can be adjusted through the use of three external resistors. The resistance values of these three resistors dictate the output voltage range. If the resistance values are increased, the output voltage range is reduced. Similarly, if the resistance values are decreased, the output voltage range is amplified.

Conclusion

The LTC2756ACG#PBF is a versatile, low-power Digital to Analog Converter (DAC) designed for high accuracy and low noise performance. Its unique ability to reduce and amplify its output voltage range with external resistors gives it greater flexibility for a range of application areas. It is typically used in process control and data acquisition applications, as well as in automated test systems and microcontroller-based systems.

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