LTC6605IDJC-14#TRPBF

Overview

The LTC6605IDJC-14#TRPBF is a dual-channel, matched 14MHz lowpass filter with low noise and low distortion differential amplifiers. It operates on a 2.7V to 5.25V supply within the –40°C to 85°C temperature range. The device features pin-selectable gains of 0dB, 6dB, or 9.5dB and adjustable f–3dB frequencies from 12.4MHz to 20MHz using external resistors. Supply current per channel ranges from 0.35mA in shutdown to 33.1mA at full power. Key electrical parameters include an input-referred noise density of 2.1nV/√Hz, gain match of ±0.25dB maximum, and phase match of ±1.1° maximum.

Feature Summary

• Dual fully differential amplifiers configured as matched second-order lowpass filters
• Pin-selectable three-state BIAS control for shutdown, medium power, or full power operation
• Adjustable output common mode voltage via dedicated VOCM pins
• Rail-to-rail output swing capability with buffered low impedance outputs

Applications

• Broadband wireless ADC driver and filtering
• Antialiasing filter applications
• Single-ended to differential signal conversion
• DAC smoothing filter circuits
• Zero-IF direct conversion receivers

Procurement Notes

Verify that the ordering suffix #TRPBF corresponds to the tape and reel packaging format required for automated assembly processes. Confirm the IDJC variant meets the specified industrial temperature range requirements for the target environment. Ensure the component matches the manufacturer's lead-free finish specifications before finalizing procurement orders.

Selection Notes

Select this component when precise channel-to-channel matching is critical for differential signal processing. The internal laser-trimmed components ensure tight gain and phase tolerances without requiring external calibration. Consider the available pin-strapped gain options and the ability to tailor frequency response with minimal external passive components.

Part Context

This part belongs to the LTC6605 family of active filters manufactured by Analog Devices Inc. The IDJC designation indicates the industrial temperature grade version housed in a 22-lead plastic DFN package. The TRPBF suffix specifies the tape and reel packaging configuration for surface mount technology integration.

Replacement Considerations

Consult Analog Devices marketing for parts with wider operating temperature ranges if environmental conditions exceed the standard industrial limits. Verify pin compatibility and electrical characteristics against alternative active filter solutions if redesigning the circuit board layout.