LTC2636HMS-LMI12#PBF

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The LTC2636HMS-LMI12#PBF is a versatile Data Acquisition - Digital to Analog Converters (DAC) module. It is a current-output DAC that provides a wide input range and 12 bit of resolution. The DAC outputs can be programmed to any voltage between 0V and 9V in 12bit increments/steps and is optimized for use with microprocessors, logic ICs, and FPGAs.

The DAC is especially suitable for low voltage, high accuracy applications such as ADC-DAC data conversion and over-voltage/current protection. The DAC is specified over an operating temperature range of -40°C to +85°C, making it ideal for industrial, battery-powered, and automotive applications.

Applications Fields

LTC2636HMS-LMI12#PBF is ideal for a variety of Data Acquisition - Digital to Analog Converters (DAC) applications, including:

• Precision monitoring and control of low voltage systems.
• ADC-DAC data conversion.
• Over-voltage/current protection.
• Battery-powered applications.
• Industrial control.
• Automotive applications.

Working Principle

The DAC operates using a current-output architecture, wherein the voltage is converted to a current that is proportional to its value. The DAC behaves like a voltage-controlled current source and outputs a current equal to:

IOUT = IP+DAC_12BIT x (VOLTAGE_MAX - VOLTAGE_min) / 2¹²

where IOUT is the current output, IP is the maximum current output, DAC_12BIT is the 12-bit digital code, VOLTAGE_MAX is the maximum voltage output, and VOLTAGE_min is the minimum voltage output.

The DAC is designed to provide very high linearity at all temperature and supply voltages, making it suitable for precision monitoring and control applications. In addition, it provides low noise, high dynamic range, and wide base-line accuracy.

The DAC is also equipped with power-on reset circuitry that ensures that all output registers are preset to zero, avoiding spurious outputs and settling time delays when power is applied, ensuring accurate performance over a wide range of conditions.

Overall, the LTC2636HMS-LMI12#PBF is ideal for precision Data Acquisition - Digital to Analog Converters (DAC) applications requiring a wide input range and 12 bit of resolution.

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