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LTC2635HUD-LZ10#TRPBF
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Product Detailed Parameters
- Description：IC DAC 10BIT V-OUT 16QFN
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR)
- Number of Bits：10
- Number of D/A Converters：4
- Settling Time：4.1µs (Typ)
- Output Type：Voltage - Buffered
- Differential Output：No
- Data Interface：I2C
- 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：16-WFQFN Exposed Pad
- Supplier Device Package：16-QFN (3x3)
- Mounting Type：Surface Mount
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Overview
The LTC2635HUD-LZ10#TRPBF is a quad 10-bit voltage-output digital-to-analog converter (DAC) from Analog Devices Inc. It features an integrated precision reference with a full-scale output of 4.096V and a temperature coefficient of 10ppm/°C. The device operates on a single supply voltage ranging from 4.5V to 5.5V. It includes rail-to-rail output buffers and is guaranteed monotonic over the automotive temperature range of –40°C to 125°C. Communication is handled via a 2-wire I²C-compatible serial interface supporting standard (100kHz) and fast (400kHz) modes. The part incorporates a power-on reset circuit configured to reset outputs to zero-scale.
Feature Summary
- Quad 10-Bit Resolution with Integrated 4.096V Precision Reference
- Automotive Temperature Grade (–40°C to 125°C)
- Rail-to-Rail Output Buffers with Guaranteed Monotonicity
- Power-On Reset to Zero-Scale
Applications
- Process Control and Industrial Automation
- Power Supply Margining
- Portable Equipment
Procurement Notes
Verify the specific ordering suffix #TRPBF indicates a lead-free tape and reel packaging configuration containing 2,500 pieces. Confirm that the H-grade designation aligns with the required 4.5V to 5.5V supply voltage range and automotive temperature specifications for the target application environment.
Selection Notes
Select this component when a quad-channel DAC with high accuracy and low drift is required in an automotive or industrial setting. The H-grade variant necessitates a minimum supply voltage of 4.5V, distinguishing it from the L-grade which supports lower voltages down to 2.7V. Ensure the system design accommodates the 16-pin QFN package dimensions and thermal requirements.
Part Context
This part belongs to the LTC2635 family of quad DACs available in 8-, 10-, and 12-bit resolutions. The 'H' suffix denotes the 4.096V full-scale internal reference version, while 'L' denotes the 2.5V version. The 'UD' package code specifies the 16-lead 3mm × 3mm QFN form factor used in this specific part number.
Replacement Considerations
Direct replacements within the same family include LTC2635HUD-LZ12#TRPBF (12-bit) or LTC2635HUD-LZ8#TRPBF (8-bit), provided the resolution difference is acceptable. Other packages such as the 10-lead MSOP (MSE) are available but require pinout adaptation.
