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LTC2635CUD-HZ12/CPBF
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Product Detailed Parameters
- Description：LTC2635 - QUAD I2C VOUT DACS WIT
- Series：-
- Mfr：Linear Technology
- Package：Bulk
- Number of Bits：12
- Number of D/A Converters：4
- Settling Time：5µs (Typ)
- Output Type：Voltage - Unbuffered
- Differential Output：No
- Data Interface：I2C
- Reference Type：External, Internal
- Voltage - Supply, Analog：4.5V ~ 5.5V
- Voltage - Supply, Digital：4.5V ~ 5.5V
- INL/DNL (LSB)：±1, ±1 (Max)
- Architecture：R-2R
- Operating Temperature：0°C ~ 70°C
- Package / Case：16-WFQFN Exposed Pad
- Supplier Device Package：16-QFN (3x3)
- Mounting Type：Surface Mount
- Grade：-
- Qualification：-
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Overview
The LTC2635CUD-HZ12/CPBF is a quad 12-bit voltage-output digital-to-analog converter featuring an integrated precision reference with a full-scale output of 4.096V. It operates from a single 4.5V to 5.5V supply and utilizes a 2-wire I2C-compatible serial interface supporting standard (100kHz) and fast (400kHz) modes. The device includes rail-to-rail output buffers, guaranteed monotonicity over the commercial temperature range of 0°C to 70°C, and a power-on reset circuit configured to initialize outputs to zero-scale.
Feature Summary
- Quad-channel architecture with integrated high-accuracy, low-drift internal reference
- Rail-to-rail output buffers ensuring guaranteed monotonic operation
- I2C-compatible serial interface with selectable standard and fast mode clock rates
- Power-on reset functionality with configurable zero-scale initialization
Applications
- Mobile communications systems
- Process control and industrial automation
- Power supply margining
- Portable equipment
- Automotive applications
Procurement Notes
Verify the specific ordering suffixes against official documentation to confirm package type, temperature grade, and reset configuration. Ensure compatibility with system voltage requirements and I2C bus specifications before integration.
Selection Notes
Select this component for designs requiring four independent 12-bit DAC channels with precise internal referencing. Confirm that the 4.5V minimum supply voltage aligns with the system power rails and that the commercial temperature range meets environmental constraints.
Part Context
This part belongs to the LTC2635 family of quad DACs available in 16-pin QFN and 10-lead MSOP packages. Variants include different resolutions (8, 10, 12 bits), full-scale voltages (2.5V or 4.096V), and temperature grades (Commercial or Automotive).
Replacement Considerations
Consult the manufacturer's selection guide for alternative pin-compatible options within the LTC2635 family, such as different resolution or reset configuration variants.
