LTC2636HDE-HZ12#PBF

Overview

The LTC2636HDE-HZ12#PBF is an octal 12-bit voltage-output digital-to-analog converter (DAC) from Analog Devices. It features an integrated precision reference with a full-scale output of 4.096V and operates on a single 4.5V to 5.5V supply. The device includes rail-to-rail output buffers, guaranteed monotonicity over the –40°C to 125°C automotive temperature range, and a 3-wire SPI/MICROWIRE-compatible serial interface. Power-on reset defaults to zero-scale in internal reference mode.

Feature Summary

• Octal 12-bit resolution with ±2.5 LSB maximum integral nonlinearity error
• Integrated 4.096V full-scale reference with ±10 ppm/°C drift
• Automotive grade operation from –40°C to 125°C
• Rail-to-rail output buffers with ultralow crosstalk (<2.4nV•s)
• Power-on reset to zero-scale in internal reference mode

Applications

• Process control and industrial automation
• Automatic test equipment
• Portable equipment
• Automotive systems
• Optical networking

Procurement Notes

Verify the specific ordering suffix #PBF indicates lead-free tape and reel packaging configuration. Confirm that the H-grade designation matches the required automotive temperature range of –40°C to 125°C for the target application environment.

Selection Notes

Select this part when eight independent 12-bit channels are required within a compact footprint. The H-series variant is necessary for applications requiring a 4.096V full-scale output span. Ensure the system power supply remains within the 4.5V to 5.5V operating range specified for the H-grade devices.

Part Context

This component belongs to the LTC2636 family of octal DACs available in 14-lead DFN and 16-lead MSOP packages. The DE package code identifies the 14-lead plastic DFN form factor. The HZ12 suffix combination specifies the 4.096V full-scale voltage, zero-scale power-on reset behavior, and 12-bit resolution.

Replacement Considerations

Direct replacements within the same family include other LTC2636 variants differing in resolution or reset behavior. Verify pin compatibility between the 14-lead DFN and alternative package options if physical space constraints change.