LTC2635CMSE-LZ10#PBF

Overview

The LTC2635CMSE-LZ10#PBF is a quad 10-bit voltage-output digital-to-analog converter (DAC) from Analog Devices, housed in a 10-lead MSOP package. It features an integrated precision reference with a full-scale output of 2.5V and a temperature coefficient of 10ppm/°C. The device operates on a single supply ranging from 2.7V to 5.5V and includes rail-to-rail output buffers that are guaranteed monotonic over the commercial temperature range of 0°C to 70°C. Communication is handled via a 2-wire I²C-compatible serial interface supporting standard (100kHz) and fast (400kHz) modes. A power-on reset circuit defaults outputs to zero-scale.

Feature Summary

• Quad 10-bit resolution with ±1 LSB maximum INL error
• Integrated 2.5V precision reference (10ppm/°C drift)
• Rail-to-rail buffered outputs guaranteed monotonic
• Power-on reset to zero-scale
• Low noise: 0.75mV P-P (0.1Hz to 200kHz)

Applications

• Mobile communications
• Process control and industrial automation
• Power supply margining
• Portable equipment

Procurement Notes

Verify the specific ordering suffix #PBF indicates lead-free construction. Confirm the MSE package designation corresponds to the 10-lead MSOP form factor. Ensure the LZ10 code aligns with the required 10-bit resolution and zero-scale power-on reset behavior for the intended design implementation.

Selection Notes

Select this component when four independent 10-bit DAC channels are required in a compact surface-mount package. The internal 2.5V reference simplifies design by eliminating external reference components. Choose the H-grade variant if a 4.096V full-scale output or automotive temperature range (-40°C to 125°C) is necessary instead of the C-grade commercial version.

Part Context

This part belongs to the LTC2635 family, which also offers 12-bit and 8-bit resolutions. Variants include the LTC2635-H series for higher voltage swings and the LTC2635-CUD series in QFN packages. The CMSE-LZ10 specifically denotes the commercial grade, MSOP package, 10-bit resolution, and zero-scale reset configuration within this product line.

Replacement Considerations

Direct pin-compatible replacements within the same family include LTC2635CMSE-LZ12#PBF (12-bit) and LTC2635CMSE-LZ8#PBF (8-bit). For different reset behaviors, consider LTC2635CMSE-LMI10#PBF (mid-scale reset) or LTC2635CMSE-LMX10#PBF (external reference mode mid-scale reset).