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LTC2754BIUKG-16
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Product Detailed Parameters
- Description：IC DAC 16BIT A-OUT 52QFN
- Series：SoftSpan™
- Mfr：Analog Devices Inc.
- Package：Tube
- Number of Bits：16
- Number of D/A Converters：4
- Settling Time：2µs (Typ)
- Output Type：Current - Unbuffered
- Differential Output：Yes
- Data Interface：SPI
- Reference Type：External
- Voltage - Supply, Analog：2.7V ~ 5.5V
- Voltage - Supply, Digital：2.7V ~ 5.5V
- INL/DNL (LSB)：±2 (Max), ±1 (Max)
- Architecture：Multiplying DAC
- Operating Temperature：-40°C ~ 85°C
- Package / Case：52-WFQFN Exposed Pad
- Supplier Device Package：52-QFN (7x8)
- Mounting Type：Surface Mount
- Grade：-
- Qualification：-
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Overview
The LTC2754BIUKG-16 is a quad-channel, 16-bit current-output digital-to-analog converter (DAC) from Analog Devices. It features SoftSpan technology, allowing programmable output ranges including 0 to 5V, 0 to 10V, +/- 5V, +/- 10V, +/- 2.5V, and -2.5V to +7.5V via external resistors. The device integrates offset and gain adjustment pins for transient response optimization. It operates on a single supply voltage ranging from 2.7 V to 5.5 V for both analog and digital domains. Key performance metrics include a settling time of 2 µs, differential nonlinearity (DNL) of +/- 0.2 LSB, and integral nonlinearity (INL) of +/- 0.4 LSB. It utilizes a 3-wire or SPI-compatible serial interface.
Feature Summary
- Quad-channel 16-bit resolution with SoftSpan programmable output ranges
- Integrated offset and gain adjustment pins for transient optimization
- Low power consumption with 500 nA operating current and 1.5 µW power dissipation
- Monotonic operation over the full temperature range
Applications
- Industrial process control systems requiring multi-channel precision current outputs
- Data acquisition systems needing high-resolution DACs with flexible voltage scaling
- Test and measurement equipment utilizing low-power, high-accuracy signal generation
Procurement Notes
Verify the specific suffix 'I' versus 'C' in the part number against official Analog Devices documentation to confirm the operational temperature range. The 'B' grade indicates tighter performance specifications compared to standard grades. Confirm package availability and reel/tray options directly with authorized distributors, as stock levels vary. Ensure the ordering suffix matches the required RoHS compliance status.
Selection Notes
Select the LTC2754BIUKG-16 when simultaneous four-channel conversion with 16-bit accuracy is required. Choose this model over voltage-output variants if the application demands current sources with configurable voltage spans. Consider the integrated trim capabilities if system-level calibration complexity must be reduced. Verify that the 2.7 V to 5.5 V supply range aligns with the system power architecture.
Part Context
This component belongs to the LTC2754 family of SoftSpan DACs, designed for applications requiring flexible output scaling without external amplifiers. The BIUKG-16 variant specifically denotes the industrial temperature grade and QFN-52 package. It complements other data converters in the portfolio by providing precise digital-to-analog conversion with minimal external component count.
Replacement Considerations
Direct replacements within the same family include the LTC2754CIUKG-16 for commercial temperature range applications. For voltage-output equivalents, consider the LTC2704 series. Verify pin compatibility and software register settings when substituting with other quad-channel DACs from Analog Devices.
