LTC2636CDE-HZ10#PBF

Overview

The LTC2636CDE-HZ10#PBF is an octal 10-bit voltage-output digital-to-analog converter (DAC) from Analog Devices. It features an integrated 4.096V full-scale reference with a temperature coefficient of 10ppm/°C. The device operates on a single 4.5V to 5.5V supply and utilizes a 3-wire SPI/MICROWIRE-compatible interface with clock rates up to 50MHz. It includes rail-to-rail output buffers, guaranteed monotonicity over the operating range, and a power-on reset circuit that clears outputs to zero-scale. The component is housed in a 14-lead DFN package.

Feature Summary

• Octal architecture with eight independent 10-bit DAC channels
• Integrated 4.096V internal reference with 10ppm/°C drift
• Rail-to-rail output buffers with guaranteed monotonicity
• Power-on reset to zero-scale for consistent initialization

Applications

• Process control and industrial automation systems
• Portable equipment requiring low power consumption
• Automotive electronic applications
• Optical networking infrastructure

Procurement Notes

Verify the specific ordering suffix #PBF indicates lead-free construction and RoHS compliance as per manufacturer standards. Confirm the DE package designation corresponds to the 14-lead DFN form factor. Ensure the HZ10 suffix matches the required 10-bit resolution, 4.096V full-scale voltage, and zero-scale power-on reset behavior specified in the datasheet.

Selection Notes

Select this part when eight independent voltage outputs are required within a compact footprint. The H-grade variant necessitates a 4.5V to 5.5V supply, distinguishing it from L-grade parts that operate at 2.7V. Choose the Z-reset option if system safety requires outputs to default to zero upon power-up rather than mid-scale.

Part Context

This component belongs to the LTC2636 family of octal DACs, which also offers 8-bit and 12-bit resolutions. Variants exist with different full-scale voltages (2.5V or 4.096V) and reset behaviors (mid-scale or zero-scale). The CDE suffix denotes the commercial temperature grade (0°C to 70°C) and the 14-lead DFN package type.

Replacement Considerations

Direct substitutes include other LTC2636 variants with matching 10-bit resolution and 4.096V full-scale settings, such as LTC2636CDE-HMI10#PBF, provided the mid-scale reset behavior is acceptable. Cross-family replacements like the LTC2635 offer fewer channels.