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LTC2634HMSE-HMI10#PBF
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Product Detailed Parameters
- Description：IC DAC 10BIT V-OUT 10MSOP
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tube
- Number of Bits：10
- Number of D/A Converters：4
- Settling Time：4.2µs (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)：±0.2, ±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-HMI10#PBF is a quad 10-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 from 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 50MHz SPI/MICROWIRE compatible 3-wire serial interface. Power-on reset defaults to mid-scale in internal reference mode.
Feature Summary
- Quad 10-bit resolution with ±1 LSB maximum INL error
- Integrated 4.096V full-scale reference with 10ppm/°C drift
- Automotive grade (-40°C to 125°C) with AEC-Q100 qualification
- Rail-to-rail output buffers and ultralow crosstalk (2.4nV•s)
Applications
- Mobile Communications
- Process Control and Industrial Automation
- Automatic Test Equipment
- Portable Equipment
- Automotive Systems
Procurement Notes
Verify the H-grade temperature rating and MSE package type against design requirements. Confirm that the power-on reset behavior aligns with system initialization needs, as this variant resets to mid-scale. Ensure supply voltage sequencing respects the REF pin limits during power-up to prevent latch-up or damage.
Selection Notes
Select this part for applications requiring four independent DAC channels with high accuracy and automotive reliability. The 4.096V full-scale range suits systems needing precise voltage references without external components. Consider the 10-lead MSOP package for space-constrained PCB layouts where QFN options are unsuitable.
Part Context
This component belongs to the LTC2634 family, which offers 8-, 10-, and 12-bit resolutions in both QFN and MSOP packages. The HMSE suffix denotes the H-grade automotive temperature range, MSOP package, and specific power-on reset configuration. Other variants include L-grade for lower voltage operation and different reset behaviors like zero-scale.
Replacement Considerations
Direct substitutes within the same family include LTC2634IMSE-HMI10#PBF (Industrial grade) or LTC2634HUD-HMX10#PBF (QFN package). Cross-family replacements require checking pin compatibility and electrical specifications.
