LTC1821-1BIGW#PBF

Reference Type:	External
Base Part Number:	LTC1821
Supplier Device Package:	36-SSOP
Package / Case:	36-BSOP (0.295", 7.50mm Width)
Operating Temperature:	-40°C ~ 85°C
Architecture:	R-2R
INL/DNL (LSB):	±2 (Max), ±1 (Max)
Voltage - Supply, Digital:	5V
Voltage - Supply, Analog:	±4.5 V ~ 16.5 V
Series:	--
Data Interface:	Parallel
Differential Output:	No
Output Type:	Voltage - Buffered
Settling Time:	2µs (Typ)
Number of D/A Converters:	1
Number of Bits:	16
Part Status:	Active
Packaging:	Tube

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Data Acquisition - Digital to Analog Converters (DAC) - LTC1821-1BIGW#PBF application field and working principleWhen the application requires a tight compensation network, limited differential input, and tight tolerance worst-case performance, the LTC1821-1BIGW#PBF is the hardware of choice. It is a low-power, low-cost, 16-bit, and 10-bit unbuffered voltage output Digital-to-Analog Converter (DAC). The LTC1821-1BIGW#PBF is an integrated an IC with a guaranteed monotonic linearity and exceptional worst-case performance over temperature which is ideal for applications such as digital imaging, sensor calibration, industrial process control, and programmable gain stages.Working Principle: The LTC1821-1BIGW#PBF converts digital input codes into proportional analog voltages. It utilizes a proprietary patented architecture to scale the digital input value to the commanded analog voltage. The DAC core is built from a scalable number of high precision, exponentially scaled current sources with on-chip digitization. The current sources are arranged in a successive-approximation register (SAR) configuration. The DAC contains a separate reference input which allows the user to select the reference voltage. The reference attenuator gives the user flexibility in selecting the reference voltage range.Application fields: The LTC1821-1BIGW#PBF is an ideal choice of DAC for a wide variety of applications. The low power and small size makes it suitable for portability. The on-chip voltage reference allows for precise conversions. It is ideal for applications such as data logging, motor control, and closed-loop control of industrial process equipment. In addition, the DAC can be used for digital imaging, sensor calibration, and programmable gain stages.The LTC1821-1BIGW#PBF offers an array of features to make it a suitable solution for digital to analog conversion applications. It has an integrated amplifier with very low power consumption and high accuracy. The 16-bit and 10-bit resolution allow for high precision. It also has an integrated reference voltage attenuator, which allows for selecting the reference voltage. It also has a fast slew rate of 5V/µs and low-noise operation for excellent signal-to-noise ratio ( SNR).The robust architecture of the LTC1821-1BIGW#PBF makes it suitable for a variety of applications. The on-chip voltage reference ensures precise and highly accurate conversions. The fast slew rate of 5V/µs ensures fast settling times and high response speeds. The accuracy of digital to analog conversion makes it ideal for applications that demand very tight tolerance and high-precision digital to analog conversion.In conclusion, the LTC1821-1BIGW#PBF is an ideal digital-to-analog converter for a variety of applications. The on-chip voltage reference ensures precise and accurate digital to analog conversion. The fast slew rate of 5V/µs allows for speedy and fast settling times. The low-power consumption and the small size make it suitable for portability. The 16-bit and 10-bit resolution allow for high precision. These features make the LTC1821-1BIGW#PBF suitable for data logging, motor control, and closed-loop control applications, as well as digital imaging, sensor calibration, and programmable gain stages.

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