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LTC2634HMSE-LZ10#TRPBF
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Product Detailed Parameters
- Description：IC DAC 10BIT V-OUT 10MSOP
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR)
- Number of Bits：10
- 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：2.7V ~ 5.5V
- Voltage - Supply, Digital：2.7V ~ 5.5V
- 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-LZ10#TRPBF is a quad 10-bit voltage output digital-to-analog converter (DAC) 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 from a single 2.7V to 5.5V supply and includes rail-to-rail output buffers guaranteed monotonic over the -40°C to 125°C automotive temperature range. Communication is handled via a 50MHz SPI/MICROWIRE compatible 3-wire serial interface. Upon power-up, the outputs reset to zero-scale.
Feature Summary
- Quad 10-bit DACs with integrated 10ppm/°C precision reference
- Automotive grade (-40°C to 125°C) with AEC-Q100 qualification
- Rail-to-rail output buffers with ultralow crosstalk (2.4nV•s)
- 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 a tape and reel quantity of 2,500 pieces. Confirm the MSE package designation corresponds to the 10-lead MSOP form factor. Ensure the H-grade temperature rating matches the required operational environment of -40°C to 125°C for automotive compliance.
Selection Notes
Select this part when four independent 10-bit channels are required with high accuracy and automotive reliability. The LZ suffix ensures outputs start at zero upon power-up, preventing unintended signals in downstream circuits. Choose the HMSE package variant if board space constraints favor the smaller 10-lead MSOP over the 16-lead QFN option.
Part Context
This component belongs to the LTC2634 family, which offers 8-, 10-, and 12-bit resolutions in both QFN and MSOP packages. The 'H' denotes the automotive temperature grade, while 'L' indicates the 2.5V full-scale version. The 'Z' specifies the zero-scale power-on reset behavior, distinct from the mid-scale reset options available in other variants.
Replacement Considerations
Direct substitutes within the same family include LTC2634IMSE-LZ10#TRPBF for industrial temperature ranges or LTC2634HUD-LZ10#TRPBF for the QFN package. Cross-family replacements like the LTC2633 require interface changes to I2C.
