LMV228SDX/NOPB

RF Detectors Overview

The LMV228SDX/NOPB is a single-channel RF power detector amplifier manufactured by Texas Instruments, designed for high-frequency signal monitoring. It operates within a frequency range of 450 MHz to 2 GHz and supports supply voltages from 2.7 V to 5 V. The device features an accuracy of ±1 dB and draws approximately 8 mA of supply current. It is housed in a compact 6-WDFN (WSON) package with an exposed pad, measuring 2.5 x 2.2 mm with a height of 0.8 mm. The component functions reliably across an operating temperature range of -40 °C to +85 °C.

RF Detectors Feature Summary

• Provides linear-in-dB detection for RF power signals
• Supports wideband operation from 450 MHz to 2 GHz
• Delivers measurement accuracy of ±1 dB
• Utilizes low-profile surface-mount packaging

RF Detectors Applications

• RF power detection in CDMA systems
• RF power detection in WCDMA systems
• Signal monitoring in wireless communication modules

RF Detectors Procurement Notes

Verify the specific suffix 'SDX' against official Texas Instruments documentation to confirm tape-and-reel packaging specifications. Ensure the part number matches the exact datasheet revision required for your design. Cross-reference the 6-WDFN package dimensions with your PCB footprint library. Confirm RoHS compliance status through the manufacturer's latest environmental declarations before finalizing procurement orders.

RF Detectors Selection Notes

Select this component when designing circuits requiring precise RF power monitoring within the 450 MHz to 2 GHz spectrum. Consider its 8 mA supply current consumption relative to system power budgets. Evaluate the 6-WDFN package size constraints against available board space. Ensure the 2.7 V to 5 V supply voltage range aligns with the target system's power rails and operational requirements.

RF Detectors Part Context

This device belongs to the LMV225/LMV228 family of RF power detectors from Texas Instruments. These components are engineered for use in cellular infrastructure and mobile devices. They serve as critical interfaces between RF front-end amplifiers and baseband processors, enabling accurate power level feedback for closed-loop control systems in modern wireless standards.

RF Detectors Replacement Considerations

The LMV225SD/NOPB is a documented substitute within the same product family. Both parts share identical frequency ranges, accuracy specifications, and package types. Verify pinout compatibility and thermal characteristics during substitution to ensure seamless integration without redesigning the surrounding circuitry.