LMV225TL/NOPB

RF Detectors Overview

The LMV225TL/NOPB is a single-channel RF power detector designed for CDMA and WCDMA applications. It operates within a frequency range of 450 MHz to 2 GHz and provides a linear-in-dB detection dynamic range of 30 dB. The device functions on a supply voltage between 2.7 V and 5 V, with a typical supply current of 8 mA. It features an output voltage range of 0.2 V to 2 V and maintains an accuracy of 1 dB. The component supports logic low shutdown and is housed in a DSBGA-4 surface-mount package.

RF Detectors Feature Summary

• Provides linear-in-dB power detection across a wide dynamic range
• Supports multi-band operation from 450 MHz to 2000 MHz
• Features logic low shutdown capability for power management

RF Detectors Applications

• CDMA power amplifier control
• WCDMA base station monitoring
• EDGE and GPRS signal detection

RF Detectors Procurement Notes

Verify the specific suffix (TL vs UR) against the required package type, as the TL variant uses DSBGA-4 while other variants may differ. Confirm RoHS compliance status through official Texas Instruments documentation prior to ordering. Ensure the design accounts for the 8 mA supply current and 2.7 V to 5 V operating voltage range. Cross-reference the datasheet revision to confirm pinout and electrical characteristics match the intended application requirements.

RF Detectors Selection Notes

Select this component when a logarithmic response is required for RF power monitoring in cellular systems. The 1 dB accuracy and 30 dB dynamic range suit applications needing precise power level tracking. Consider the DSBGA-4 package for space-constrained designs. Evaluate thermal performance at maximum operating temperatures up to +85 C. Compare against other LMV225 variants if different packaging or pin configurations are necessary for the PCB layout.

RF Detectors Part Context

The LMV225 series comprises RF power detectors optimized for wireless communication standards. This specific part belongs to the family of devices used for monitoring RF signals in mobile infrastructure and handsets. It serves as a key component for automatic gain control and power amplifier biasing loops in 3G and related technologies.

RF Detectors Replacement Considerations

LMV225UR/NOPB

RF Detectors FAQ

What is the detection power range of the LMV225TL/NOPB?

The detector operates within a power range of -30 dBm to 0 dBm.

How does the shutdown function work?

The device utilizes a logic low input to activate the shutdown mode, reducing power consumption.