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LTC2634HUD-HZ10#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：4.2µs (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)：±0.2, ±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 LTC2634HUD-HZ10#TRPBF is a quad 10-bit voltage-output digital-to-analog converter (DAC) from Analog Devices. It features an integrated precision reference with a full-scale output of 4.096V and operates on a single 4.5V to 5.5V supply. The device includes rail-to-rail output buffers, guaranteed monotonicity over the -40°C to 125°C automotive temperature range, and communicates via a 50MHz SPI/MICROWIRE compatible interface. Upon power-up, outputs reset to zero-scale in internal reference mode.
Feature Summary
- Quad 10-bit DACs with integrated 4.096V 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 #TRPBF suffix indicates a 2,500-unit tape and reel packaging format. Confirm the H-grade designation matches the required -40°C to 125°C operating temperature range for your specific application environment.
Selection Notes
Select this part when a 4.096V full-scale output is required with a minimum 4.5V supply. Ensure the system requires a zero-scale power-on reset state. Verify that the 16-lead QFN package footprint is compatible with the PCB layout constraints.
Part Context
This component belongs to the LTC2634 family of quad DACs. The HUD suffix identifies the 16-lead QFN package, H denotes the automotive temperature grade, Z10 specifies the 10-bit resolution with zero-scale reset, and TRPBF confirms the tape and reel lead-free packaging.
Replacement Considerations
LTC2634CUD-HZ10#TRPBF: Identical electrical specifications but limited to commercial temperature range (0°C to 70°C).
FAQ
What is the settling time for the LTC2634 at 5V?
The typical settling time to ±1LSB (10-bit) is 4.2µs.
How does the REF pin function in this configuration?
In internal reference mode, the REF pin provides access to the 2.048V internal reference output, which can be bypassed with up to 10µF capacitance.
Is the device guaranteed monotonic?
Yes, the LTC2634 is guaranteed monotonic over the entire specified temperature range.
