LTC2637CMS-LZ12#TRPBF

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LTC2637CMS-LZ12#TRPBF is a family of low power, high accuracy digital-to-analog converters (DACs), which use a versatile, pin-programmable architecture. The device includes four 16-bit DACs with a wide operating temperature range up to 105°C. The differential outputs span 0V to 4.096V and the unipolar outputs span 0V to 2.048V. The resolution of the DACs is 1mV and 0.5mV for the differential and unipolar outputs, respectively. The output settling time is 2us for the differential and 4us for the unipolar output. The family is offered in MSOP/QFN and TSSOP/PDIP packages with 6mm × 6mm and 5mm × 5mm footprints, respectively.

The device can operate from a single 3.3V or 2.5V supply and is guaranteed to operate with a 5V supply over the full operating temperature range. It has a wide operating temperature range of -40°C to 105°C. The device offers power-on reset circuitry to ensure the DAC output is reset to ground upon power cycle. The device also has a reset pin to force the DAC output to zero.

The LTC2637CMS is ideal for applications that require multiple, high accuracy DACs with fast settling time and low power consumption such as automotive and industrial process control, test and measurement, factory automation, and audio systems. The device also supports single-byte UART, SPI or I2C interfaces for easy communication. The device is also suitable for applications that require a low power supply.

The device is designed to work in a variety of ways. In unipolar mode, the DACs can output 0V to 2.048V simultaneously with 10-bit resolution and 0.5mV steps. In differential mode, the DACs can output -4.096V to 4.096V with 12-bit resolution and 1mV steps. The DAC output range and resolution can be programmed through the serial interface. The device also has an internal high-speed reference which is available on the REFIN pin. The reference voltage can be shut off when not in use to reduce power consumption.

The device also offers a unique feature called "Fast Glitchless Update". This allows the user to continuously update the DAC outputs without introducing any glitches in the output. This makes it ideal for applications where a stable and glitchless output is required such as in motor control and audio applications.

The device also has an integrated protection feature called "Write Lock". This feature prevents any unexpected DAC output updates and allows the user to lock the DAC output from accidental or malicious attempts to change the DAC output.

The LTC2637CMS is an ideal solution for applications requiring high accuracy, low power and fast settling times. It offers a versatile, pin-programmable architecture, which is perfect for applications where multiple DACs are required. The device also offers an integrated protection feature, which helps prevent unexpected output updates. With its wide operating temperature range and low power supply requirements, the device is suitable for a variety of applications.

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