LTC1591CG#PBF

Reference Type:	External
Base Part Number:	LTC1591
Supplier Device Package:	28-SSOP
Package / Case:	28-SSOP (0.209", 5.30mm Width)
Operating Temperature:	0°C ~ 70°C
Architecture:	R-2R
INL/DNL (LSB):	±1 (Max), ±1 (Max)
Voltage - Supply, Digital:	5V
Voltage - Supply, Analog:	5V
Series:	--
Data Interface:	Parallel
Differential Output:	No
Output Type:	Current - Unbuffered
Settling Time:	1µs (Typ)
Number of D/A Converters:	1
Number of Bits:	14
Part Status:	Active
Packaging:	Tube

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The LTC1591CG#PBF is a low power, high accuracy digital-analog converter (DAC) designed for data acquisition, control and measurement applications. The device features a low noise single supply operation and it is ideal for low power or battery powered applications. The LTC1591CG#PBF has a 7-bit resolution, which allows for higher accuracy output than other devices with 6-bit resolution. The device also includes an on-board voltage reference, eliminating the need for an external reference source, as well as onboard current mirroring circuitry, which reduces unnecessary external circuitry.The working principle of the LTC1591CG#PBF is based on a simple concept of voltage conversion. The device combines a single supply, 7-bit resolution, low-noise voltage reference, and a pair of input registers that are connected to the output buffer. The registers are used to hold the digital input data, which is converted to an analog voltage using an iterative conversion process.At the start of the conversion process, the digital input data is loaded into the registers from the external host. The digital data is then combined with a voltage reference, which is generated by an on-board voltage reference. This reference voltage establishes the size of the voltage step increments used for the conversion process. The conversion process uses a technique known as interpolation, where the digital input data is used to determine the separate step accumulating voltage.The total voltage accumulated in a single step is determined by the digital input data combined with the voltage reference. This is done by subtracting the digital input data from the voltage reference and then calculating the sum of these steps. The result of this process is the output voltage from the converter.The advantage of the LTC1591CG#PBF is its compact size and low power requirements, which make it perfect for data acquisition, control and measurement applications. Additionally, the device features a wide operating temperature range and low power consumption, making it ideal for battery powered applications. The wide input voltage range also allows for operation over a broader range than other DACs, making it suitable for use in a variety of different applications.Overall, the LTC1591CG#PBF is a versatile, low-power DAC designed for data acquisition, control, and measurement applications. Its low power requirements and 7-bit resolution provide superior accuracy, while its low noise and wide temperature range make it an excellent choice for battery powered applications. In addition, the integrated voltage reference and current mirroring circuitry significantly reduce the amount of external circuitry needed for operation, making the LTC1591CG#PBF an ideal choice for a variety of applications.

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