LMV228SD/NOPB

RF Detectors Overview

The LMV228SD/NOPB is an RF power detector amplifier manufactured by Texas Instruments, designed for cellular applications including CDMA, WCDMA, GSM, and EDGE. It operates within a frequency range of 450 MHz to 2 GHz with an input power range of -15 dBm to +15 dBm. The device offers ±1 dB accuracy and draws 8 mA supply current. It functions on a single supply voltage between 2.7 V and 5 V. The component is housed in a 6-pin WDFN package with an exposed pad, measuring 2.5 x 2.2 mm with a height of 0.8 mm.

RF Detectors Feature Summary

• Provides linear detection of RF power levels across wideband cellular frequencies
• Delivers high measurement accuracy suitable for precise signal monitoring
• Integrates into compact surface-mount footprints for space-constrained designs

RF Detectors Applications

• RF power monitoring in CDMA base stations and handsets
• Signal strength detection in WCDMA mobile devices
• Power control loops in GSM and EDGE transceivers
• Linear envelope tracking systems for cellular amplifiers

RF Detectors Procurement Notes

Verify the specific suffix NOPB indicates lead-free compliance when sourcing. Confirm the 6-WDFN package variant matches the required PCB footprint dimensions. Ensure the operating temperature range aligns with the target environment specifications. Cross-reference the manufacturer part number against authorized distributors to avoid counterfeit components.

RF Detectors Selection Notes

Select this component when linear RF power detection is required for cellular standards up to 2 GHz. Consider the ±1 dB accuracy specification for precision monitoring needs. Evaluate the 8 mA supply current against system power budget constraints. Verify compatibility with 2.7 V to 5 V single-supply architectures typical in portable wireless devices.

RF Detectors Part Context

This device belongs to the LMV228 series of RF detectors from Texas Instruments. It complements other low-voltage analog solutions in the company's portfolio. The component addresses the need for accurate power monitoring in multi-standard cellular terminals. It supports the transition toward more integrated radio front-end modules.

RF Detectors Replacement Considerations

Direct substitutes include LMV228 variants with different packaging or suffixes if available. Check for updated revisions from Texas Instruments that maintain pinout compatibility. Verify electrical parameters match before replacing in existing designs.