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Product Detailed Parameters
- Description:IC DAC 8BIT V-OUT 16QFN
- Series:-
- Mfr:Analog Devices Inc.
- Package:Tape & Reel (TR)
- Number of Bits:8
- Number of D/A Converters:4
- Settling Time:3.5µs (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):±0.05, ±0.5 (Max)
- Architecture:-
- Operating Temperature:0°C ~ 70°C
- Package / Case:16-WFQFN Exposed Pad
- Supplier Device Package:16-QFN (3x3)
- Mounting Type:Surface Mount
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Overview
The LTC2635CUD-LMX8#TRPBF is a quad 8-bit voltage-output digital-to-analog converter (DAC) from Analog Devices. It features an integrated precision reference with a full-scale output of 2.5V and operates on a single 2.7V to 5.5V supply. The device includes rail-to-rail output buffers, guaranteed monotonicity over the –40°C to 125°C range, and low noise of 0.75mVP-P (0.1Hz to 200kHz). Communication occurs via a 2-wire I2C-compatible interface supporting standard (100kHz) and fast (400kHz) modes. The power-on reset circuit defaults outputs to mid-scale when using an external reference.
Feature Summary
- Quad 8-Bit Resolution with Rail-to-Rail Output Buffers
- Integrated Precision Reference: 2.5V Full-Scale, 10ppm/°C Drift
- Power-On Reset to Mid-Scale in External Reference Mode
- Ultralow Crosstalk Between DACs (3nV•s)
Applications
- Mobile Communications
- Process Control and Industrial Automation
- Portable Equipment
Procurement Notes
Verify the specific ordering suffix #TRPBF indicates a lead-free design packaged in tape and reel format containing 2,500 pieces. Confirm the package type corresponds to the 16-pin 3mm × 3mm QFN configuration. Ensure the temperature grade matches the required operational environment for the application.
Selection Notes
Select this component for applications requiring four independent 8-bit channels with a 2.5V internal reference span. The L suffix denotes the 2.5V full-scale option suitable for 2.7V to 5.5V supplies. Choose the MX suffix if a mid-scale power-on reset state is required when utilizing an external reference voltage source.
Part Context
This part belongs to the LTC2635 family, which also offers 10-bit and 12-bit resolutions. Variants include the H-series for 4.096V full-scale outputs and different power-on reset options such as zero-scale or high-impedance states. The C-grade designation specifies a commercial operating temperature range of 0°C to 70°C.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation.
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