LT6658AIDE-1.8#PBF

Voltage Reference Overview

The LT6658AIDE-1.8#PBF is a precision dual output voltage reference from Analog Devices, packaged in a 16-lead (4mm × 3mm) plastic DFN with an exposed thermal pad. It provides a fixed 1.8V output with an initial accuracy of ±0.05% and a maximum temperature coefficient of 10ppm/°C. The device operates within a specified junction temperature range of -40°C to +85°C and supports input voltages up to 36V.

Voltage Reference Feature Summary

• Combines precision voltage reference performance with linear regulator capabilities for high current drive
• Features two independent outputs that track each other over temperature and load variations
• Includes Kelvin sense connections on outputs to minimize load regulation error
• Provides separate supply pins for each output to allow power consumption reduction and buffer isolation

Voltage Reference Applications

• Microcontroller or FPGA systems requiring integrated ADC/DAC references
• High-resolution data acquisition systems
• Precision low noise regulators
• Automotive control and monitoring circuits

Voltage Reference Procurement Notes

Verify the specific suffix 'AIDE' corresponds to the A-grade specification and DFN package before ordering. Confirm the '#PBF' designation indicates RoHS compliance. Ensure the required operating temperature range aligns with the I-grade limits (-40°C to +85°C). Check for availability of tape and reel options if automated assembly is planned.

Voltage Reference Selection Notes

Select this part when dual tracking outputs are required for simultaneous powering of mixed-signal components. The A-grade offers tighter accuracy and drift specifications compared to B-grade alternatives. Consider the DFN package for thermal management needs versus the MSOP option. Verify input voltage headroom requirements against the dropout characteristics for the 1.8V output configuration.

Voltage Reference Part Context

This component belongs to the LT6658 family of Refulators, which merge reference and regulator functions. The 'A' denotes the highest accuracy grade, while 'IDE' specifies the DFN package and 1.8V output. Other variants include MSOP packages and different voltage options like 2.5V or 5V.

Voltage Reference Replacement Considerations

LT6658BIDE-1.8#PBF offers similar functionality with lower accuracy grades (±0.1%, 20ppm/°C). For higher temperature operation, consider LT6658AHDE-1.8#PBF. Package alternatives include the MSOP versions such as LT6658AIMSE-1.8#PBF.