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LTC2634CMSE-HMX8#TRPBF
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Product Detailed Parameters
- Description：IC DAC 8BIT V-OUT 10MSOP
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR)
- 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：0°C ~ 70°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 LTC2634CMSE-HMX8#TRPBF is a quad 8-bit voltage output digital-to-analog converter (DAC) in a 10-lead MSOP package. It features an integrated precision reference with 10ppm/°C drift, providing a full-scale output of 2.5V when using the internal reference. The device operates on a single 2.7V to 5.5V supply and includes rail-to-rail output buffers. Communication is handled via a 3-wire SPI/MICROWIRE compatible interface supporting clock rates up to 50MHz. This specific variant resets to mid-scale upon power-up when operating in external reference mode.
Feature Summary
- Quad 8-bit DACs with integrated 10ppm/°C precision reference
- Rail-to-rail output buffers with guaranteed monotonicity
- SPI/MICROWIRE compatible 3-wire serial interface
- Power-on reset to mid-scale in external reference mode
Applications
- Mobile communications
- Process control and industrial automation
- Automatic test equipment
- Portable equipment
- Automotive systems
Procurement Notes
Verify the #TRPBF suffix indicates a tape and reel packaging format containing 2,500 pieces per reel. Confirm the MSE designation corresponds to the 10-lead MSOP package type. Ensure the C temperature grade meets the required commercial operating range of 0°C to 70°C for the specific application environment.
Selection Notes
Select this part for applications requiring four independent 8-bit outputs with low crosstalk and high accuracy. The H suffix denotes a 4.096V full-scale output, but the L suffix (present in CMSE-LMX8) provides 2.5V; verify the specific ordering code matches the desired full-scale voltage. The MX suffix specifies mid-scale reset behavior for external reference configurations.
Part Context
This component belongs to the LTC2634 family of quad DACs available in 12-, 10-, and 8-bit resolutions. The family offers various package options including 16-lead QFN and 10-lead MSOP. Variants are distinguished by resolution, temperature grade, full-scale voltage, and power-on reset behavior, allowing customization for specific system requirements.
Replacement Considerations
Direct substitutes within the same family include LTC2634CMSE-LMX8#TRPBF for different full-scale voltage or LTC2634IMSE-HMX8#TRPBF for extended temperature ranges. Verify pin compatibility and electrical specifications before substitution.
