LTC2636HMS-LMI12#TRPBF

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LTC2636HMS-LMI12#TRPBF is a Digital-to-Analog Converter (DAC) used for data acquisition. This device is designed to offer excellent accuracy and excellent linearity over the full-scale temperature range and has built-in protection against accidental over-/under-voltage turns. It allows for both unipolar and bipolar output formats, ideal for microcontrollers, systems with ±12V analog power supplies, or systems with single +12V supplies. The device includes both a serial interface and 8-bit or 12-bit data inputs, making it easy to integrate into a wide range of applications.

Features of LTC2636HMS-LMI12#TRPBF

The main features of LTC2636HMS-LMI12#TRPBF include:

• Single +12 volts supply
• Up to 16 bits of accuracy with 8/12/16-bit resolution
• Four programmable linear and four programmable output polarity modes
• Single-pin input/output interface (SPI compatible)
• Programmable attenuators and voltage reference generators

Applications of LTC2636HMS-LMI12#TRPBF

The LTC2636HMS-LMI12#TRPBF offers designs an ideal solution for systems requiring very accurate analog output under demanding, noisy electrical environment conditions. The extremely wide unipolar or bipolar voltage ranges and built-in protection against accidental over/under-voltage turn enable it to perform extremely well in medical, industrial, automotive and avionic applications. The device makes it easy to build, integrate and maintain precision applications.

Applications of the LTC2636HMS-LMI12#TRPBF include:

• Signal conditioning and filtering
• Analog signal processors
• Motor control and automation
• Instrumentation and metering
• Test and measurement
• Adaptive signal conditioning

Working Principle

The LTC2636HMS-LMI12#TRPBF works by converting digital data into a corresponding analog voltage or current value. The converter uses a voltage-output, current-output amplifier, which compares the digital value to an internal reference voltage. Depending on the configuration, the device can convert temperatures or individual analog channels into a 16-bit resolution output signal. The amplifier is a simple scalar. For each additional bit of resolution, its range of output voltages is divided by 2. A voltage divider is used to select the full-scale range.

The device has a fast response speed that allows it to settle in less than 10µs. The gain and offset errors of the amplifier are very low and can be adjusted with the built-in programmable registers. The device also features thermal derating, which ensures the stability of signal output over temperature. It also has a 3-state logic for single pin data input/output interface.

Conclusion

The LTC2636HMS-LMI12#TRPBF is a versatile simultaneous sampling, 16-bit precision DAC designed for data acquisition systems. By providing excellent accuracy, excellent linearity and a wide range of programmable functions, the device can be used in a wide range of applications such as signal conditioning and filtering, adaptive signal conditioning, motor control, automation, instrumentation and measurement, and test and measurement among many others. It also has a fast response speed and good thermal performance. With its single-pin input/output interface, it makes it easy to integrate into a wide range of design platforms.

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