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LTC2752AILX#PBF
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Product Detailed Parameters
- Description：IC DAC 16BIT A-OUT 48LQFP
- Series：SoftSpan™
- Mfr：Analog Devices Inc.
- Package：Tray
- Number of Bits：16
- Number of D/A Converters：2
- 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)：±0.4, ±0.2
- Architecture：Multiplying DAC
- Operating Temperature：-40°C ~ 85°C
- Package / Case：48-LQFP
- Supplier Device Package：48-LQFP (7x7)
- Mounting Type：Surface Mount
- Grade：-
- Qualification：-
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Overview
The LTC2752AILX#PBF is a dual 16-bit multiplying digital-to-analog converter with serial input and current output. It operates from a single 2.7V to 5.5V supply and guarantees monotonicity over temperature. The device features SoftSpan technology, allowing six selectable output ranges (up to ±10V) via SPI or pin-strapping. Key electrical specifications include a maximum integral nonlinearity (INL) of ±1 LSB and differential nonlinearity (DNL) of ±1 LSB for the A grade. The supply current is typically 1µA, with a settling time of 2µs and glitch impulse of 0.6nV•s at 3V. It is housed in a 48-lead 7mm × 7mm LQFP package.
Feature Summary
- Dual 16-bit resolution with ±1 LSB max INL/DNL over temperature
- SoftSpan capability: Six programmable output ranges (0V to 5V, 0V to 10V, –2.5V to 7.5V, ±2.5V, ±5V, ±10V)
- Serial interface with full register readback support
- Low power consumption: 1µA maximum supply current
Applications
- Process control and industrial automation
- Automatic test equipment
- Data acquisition systems
Procurement Notes
Verify the component grade matches the 'A' suffix for guaranteed ±1 LSB INL/DNL performance across the industrial temperature range (-40°C to 85°C). Confirm the package type is the 48-lead LQFP. Ensure the ordering suffix '#PBF' indicates lead-free finish and RoHS compliance as per manufacturer standards.
Selection Notes
Select this model when high precision (±1 LSB linearity) and low power are required for dual-channel applications. The SoftSpan feature allows flexible voltage range configuration without external resistor networks. Consider the manual span mode if software overhead for range switching is undesirable in fixed-range designs.
Part Context
This part belongs to the LTC2752 family of SoftSpan DACs. The 'A' designation specifies the performance grade with tighter linearity errors compared to the 'B' grade. The 'ILX' indicates the industrial temperature range and LQFP packaging. Analog Devices acquired Linear Technology, the original designer of this series.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. Consult manufacturer resources for cross-reference information.
