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LTC2634HMSE-HMI8#PBF
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Product Detailed Parameters
- Description：IC DAC 8BIT V-OUT 10MSOP
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tube
- Number of Bits：8
- Number of D/A Converters：4
- Settling Time：3.8µs (Typ)
- Output Type：Voltage - Buffered
- Differential Output：No
- Data Interface：SPI
- Reference Type：External, Internal
- Voltage - Supply, Analog：5V
- Voltage - Supply, Digital：5V
- INL/DNL (LSB)：±0.05, ±0.5 (Max)
- Architecture：-
- Operating Temperature：-40°C ~ 125°C
- Package / Case：10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad
- Supplier Device Package：10-MSOP-EP
- Mounting Type：Surface Mount
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Overview
The LTC2634HMSE-HMI8#PBF is a quad 8-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 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 communicates via a 3-wire SPI/MICROWIRE compatible interface. Power-on reset defaults to mid-scale in external reference mode.
Feature Summary
- Quad 8-bit DACs with integrated 4.096V precision reference
- Automotive grade (-40°C to 125°C) with AEC-Q100 qualification
- Rail-to-rail output buffers and guaranteed monotonicity
- 3-wire SPI/MICROWIRE serial interface with 50MHz clock rate
Applications
- Mobile Communications
- Process Control and Industrial Automation
- Automatic Test Equipment
- Portable Equipment
- Automotive Systems
Procurement Notes
Verify the specific ordering suffix #PBF indicates lead-free compliance and RoHS adherence. Confirm the MSE package designation corresponds to the 10-lead MSOP form factor required for the design. Ensure the H-grade temperature rating matches the operational environment specifications.
Selection Notes
Select this part for applications requiring four independent 8-bit outputs with high accuracy and automotive reliability. The H-series variant supports a 4.096V full-scale range, necessitating a minimum 4.5V supply. Consider the HMI suffix if mid-scale power-on reset behavior in external reference mode is required for system initialization safety.
Part Context
This component belongs to the LTC2634 family of quad DACs, which also offers 10-bit and 12-bit resolutions. Variants are available in 16-lead QFN packages or different temperature grades (C for commercial, I for industrial). The HMSE designation specifically identifies the 8-bit resolution, H-grade temperature range, MSOP package, and mid-scale internal reference reset configuration.
Replacement Considerations
Direct substitutes within the same family include LTC2634IMSE-HMI8#PBF for industrial temperature range or LTC2634CUD-LMX8#PBF for commercial temperature in a QFN package. Cross-family replacements like the LTC2637 offer I2C interfaces but differ in channel count and pinout.
