LT6658AIDE-3.3#TRPBF

Voltage Reference Overview

The LT6658AIDE-3.3#TRPBF is a precision dual output voltage reference from Analog Devices, housed in a 16-lead (4mm × 3mm) plastic DFN package with an exposed thermal pad. It provides a fixed 3.3V output with an initial accuracy of ±0.05% and a maximum temperature coefficient of 10ppm/°C. The device operates within a junction temperature range of -40°C to 85°C and supports input voltages up to 36V. Output 1 delivers up to 150mA sourcing current, while Output 2 provides up to 50mA.

Voltage Reference Feature Summary

• Combines precision voltage reference and linear regulator performance for driving high-resolution ADCs and DACs under heavy loading.
• Features Kelvin sense connections on outputs to achieve low load regulation and accurate voltage delivery.
• Includes separate supply pins for each output to allow power consumption reduction and buffer amplifier isolation.

Voltage Reference Applications

• Microcontroller or FPGA systems integrated with ADC/DAC components
• Precision data acquisition systems
• Automotive control and monitoring circuits

Voltage Reference Procurement Notes

Verify the specific suffix #TRPBF indicates tape and reel packaging when ordering. Confirm the A-grade designation matches the required ±0.05% accuracy and 10ppm/°C drift specifications. Ensure the DFN-16 footprint aligns with the PCB layout requirements, particularly regarding the exposed ground pad connection.

Voltage Reference Selection Notes

Select this component for applications requiring simultaneous high-current buffering and ultra-low noise reference generation. The dual-output architecture allows powering supporting circuitry while maintaining strict stability for sensitive analog inputs. Verify that the 3.3V fixed output meets system requirements without needing external resistor adjustment.

Voltage Reference Part Context

This part belongs to the LT6658 family of Refulator™ devices, which merge reference and regulator functions. The 'A' grade ensures tighter tolerance specifications compared to B-grade variants. The 'IDE' code identifies the specific 16-lead DFN package form factor suitable for compact designs.

Voltage Reference Replacement Considerations

LT6658BIDE-3.3#TRPBF offers similar functionality with relaxed accuracy specifications (±0.1%, 20ppm/°C). LT6658AIMSE-3.3#TRPBF provides identical electrical performance but utilizes a 16-lead MSOP package instead of DFN.