LTC2634HMSE-HZ12#TRPBF

Overview

The LTC2634HMSE-HZ12#TRPBF is a quad 12-bit voltage output digital-to-analog converter (DAC) in a 10-lead MSOP package. It features an integrated 4.096V full-scale reference with a 10ppm/°C drift coefficient. The device operates from a single 4.5V to 5.5V supply and includes rail-to-rail output buffers. It utilizes a 3-wire SPI/MICROWIRE compatible interface with clock rates up to 50MHz. Power-on reset defaults to zero-scale in internal reference mode. Key electrical parameters include a maximum integral nonlinearity of ±2.5 LSB, settling time of 4.8µs at 5V, and supply current of 0.7mA.

Feature Summary

• Quad 12-bit resolution with integrated 4.096V precision reference
• Rail-to-rail output buffers guaranteed monotonic over -40°C to 125°C
• 3-wire SPI/MICROWIRE serial interface operating up to 50MHz
• Power-on reset to zero-scale in internal reference mode

Applications

• Mobile communications
• Process control and industrial automation
• Automatic test equipment
• Portable equipment
• Automotive systems

Procurement Notes

Verify the specific ordering suffix #TRPBF indicates tape and reel packaging containing 2,500 pieces. Confirm the MSE package designation corresponds to the 10-lead MSOP form factor. Ensure the H temperature grade matches requirements for operation between -40°C and 125°C. Cross-reference the Z power-on reset configuration against system initialization needs.

Selection Notes

Select this part when a quad DAC configuration with high accuracy and low drift is required in a small surface-mount package. The 4.096V internal reference eliminates external components for standard voltage ranges. Verify that the 4.5V minimum supply voltage aligns with the system power rails. Consider the MSOP package if QFN availability is limited or specific pin-out preferences exist.

Part Context

This component belongs to the LTC2634 family, which offers various combinations of resolution (8, 10, 12 bits), package types (QFN, MSOP), and power-on reset behaviors. The HMSE suffix specifically denotes the H-grade automotive temperature range, MSOP package, external reference capability (though unused here due to internal ref selection), and Z-reset behavior.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.