LTC2635CUD-HMI10 IC Chip QFN-16 Package 10-Bit Voltage-Output DACs Digital To Analog Converters

The LTC2635CUD-HMI10 is a quad 10-bit voltage output digital to analog converter from the LTC2635 series, supplied in a 16-Pin 3 mm x 3 mm QFN package. Four buffered outputs and an integrated precision reference sit on one chip, which cuts the part count of multi-channel control cards.

On the LTC2635CUD-HMI10 the internal reference is trimmed to 10 ppm per degree C and provides a 4.096 V full-scale output. The output buffers are monotonic over all codes, so closed-loop calibration and setpoint control behave predictably across the whole transfer function.

Data is written over the I2C compatible port into double-buffered latches, so channels can be loaded and then updated together or independently. Power-on reset places the outputs at midscale before the first command, keeping downstream circuitry in a defined state.

The LTC2635CUD-HMI10 runs from a 2.7 V to 5.5 V supply and draws only 0.6 mA at 3 V, which suits compact control and calibration boards. Low 0.75 mVp-p noise and 3 nV-s channel-to-channel crosstalk keep precision multi-channel loops stable.

Either the internal reference or an external reference can be selected, so ratiometric and absolute designs are both supported. Every order of the LTC2635CUD-HMI10 ships in 16-Lead QFN packaging, RoHS compliant and lead free, with samples and volume pricing available on request.

• LTC2635 series quad 10-bit DAC
• Four 10-bit voltage output channels
• 4.096 V full-scale output from the integrated reference
• 10 ppm per degree C reference temperature coefficient
• Guaranteed monotonic over all codes
• Double-buffered data latches
• I2C compatible serial interface
• Power-on reset to midscale
• Selectable internal or external reference
• 0.6 mA supply current at 3 V
• 16-Pin 3 mm x 3 mm QFN package
• RoHS compliant, lead free

• Industrial process control
• Analog output modules
• Programmable reference levels
• Calibration systems
• Factory automation

Typical use is quad 10-bit 4.096 v precision in new and existing designs.

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