LTC2654BCGN-H16#PBF

Reference Type:	External, Internal
Base Part Number:	LTC2654
Supplier Device Package:	16-SSOP
Package / Case:	16-SSOP (0.154", 3.90mm Width)
Operating Temperature:	0°C ~ 70°C
Architecture:	--
INL/DNL (LSB):	±2, ±0.3
Voltage - Supply, Digital:	5V
Voltage - Supply, Analog:	5V
Series:	--
Data Interface:	SPI
Differential Output:	No
Output Type:	Voltage - Buffered
Settling Time:	8.9µs (Typ)
Number of D/A Converters:	4
Number of Bits:	16
Part Status:	Active
Packaging:	Tube

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Data Acquisition - Digital to Analog Converters (DAC) The LTC2654BCGN-H16#PBF is a high-performance digitally controlled 16-bit voltage output, voltage and current output DAC. It belongs to the Data Acquisition - Digital to Analog Converters (DAC) category. The device offers a flexible selection of 3 reference voltage options with a self-calibrating capability and excellent characteristics and performance, perfect for use in many applications. Type: The type of the LTC2654BCGN-H16#PBF is a silicon CMOS, double buffered digital to analog converter. The device has 32 outputs, and the register size is resistor string with 8- or 10-bits of resolution. Resolution:The resolution of LTC264BCGN-H16#PBF is 16 bits. This provides a resolution of 0.25 mV while still outputting a full-scale output of 4V, excellent precision, and stability.Applications: The LTC2654BCGN-H16#PBF device is suitable for a wide variety of applications, such as medical device calibration, automotive testing, and industrial automation. It can also be used for precision voltage and current sensing, noise and temperature measurement, and data acquisition with sensor and transducer applications.Working Principle:The working principle of the LTC2654BCGN-H16#PBF device is based on a double buffering technique. This technique allows for simultaneous conversion between digital inputs and analog output and is done by a digital-to-analog (D/A) converter. The digital-to-analog converter and the analog-to-digital converter (ADC) are coupled together in a bidirectional manner, allowing for data transfer and control signals to be simultaneously sent and received. The device provides an input-selectable, self-calibrating reference voltage source, allowing for scaling of the analog output signal while still providing the same accuracy and precision.The digital signal is sent to the digital-to-analog converter, which produces an analog signal on the output. For a given set of digital inputs, the analog signal produced is the voltage or current at the output. The input-selectable reference voltage used to calibrate the analog output is necessary to ensure that the output signal is consistent and is used to determine the scaling of the output signal.In order to accurately calibrate the output signal, the controller must communicate with the device using its serial interface. The serial interface is capable of one-way communication, as it only sends signals from the controller to the DAC. The controller must also monitor the analog output signal for any changes due to temperature or other environmental factors. The device also has an auto-calibration feature, which uses the self-calibrating reference voltage to re-calibrate the DAC and make sure that the analog output signals are consistent. This auto-calibration feature is enabled by a high-speed micro-controller, which is responsible for controlling the digital inputs.Conclusion: The LTC2654BCGN-H16#PBF device is a high-performance 16-bit digital to analog converter, perfect for use in many applications related to data acquisition, sensor and transducer applications, and automotive testing and calibration. The flexible reference voltage selection with self-calibrating capability and excellent characteristics ensures that the device is capable of providing a consistent high-precision analog output signal. The high-speed micro-controller is responsible for controlling the digital inputs and enabling the auto-calibration feature of the device.

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