RF Power Detector For CDMA And WCDMA In Micro SMD

The LMV225 LMV226 LMV228 are 30 dB RF Power detectors intended for use in CDMA and WCDMA applications. The device has an RF frequency range from 450 MHz to 2 GHz. It provides an accurate temperature and supply compensated output voltage that relates linearly to the RF input power in dBm. The circuit operates with a single supply from 2.7V to 5.5V. The LMV225 LMV226 LMV228 have an integrated Filter for low-ripple average power detection of CDMA signals with 30 dB dynamic range. Additional filtering CAN be applied using a single external capacitor.
The LMV225 has an RF Power detection range from -30 dBm to 0 dBm and is ideally suited for direct use in combination with resistive taps. The LMV226 LMV228 have a detection range from -15 dBm to 15 dBm and are intended for use in combination with a directional coupler. The LMV226 is equipped with a buffered output which makes it suitable for GSM, EDGE, GPRS and TDMA applications.
The device is active for Enable = HI, otherwise it is in a low power consumption shutdown mode. During shutdown the output will be LOW. The output voltage ranges from 0.2V to 2V and CAN be scaled down to meet ADC input range requirements.
The LMV225 LMV226 LMV228 power detectors are offered in the thin 1.0 mm x 1.0 mm x 0.6 mm micro SMD package and the ultra thin 1.0 mm x 1.0 mm x 0.35 mm micro SMD package. The LMV225 and the LMV228 are also offered in the 2.2 mm x 2.5 mm x 0.8 mm LLP package.
By National Semiconductor Corporation
Part Manufacturer Description Datasheet Samples
LMV228SDX/NOPB Texas Instruments RF Power Detector for CDMA and WCDMA in micro SMD 6-WSON
LMV228URX/NOPB Texas Instruments RF Power Detector for CDMA and WCDMA in micro SMD 4-DSBGA
LMV228TLX/NOPB Texas Instruments RF Power Detector for CDMA and WCDMA in micro SMD 4-DSBGA -40 to 85
LMV228UR/NOPB Texas Instruments RF Power Detector for CDMA and WCDMA in micro SMD 4-DSBGA -40 to 85
LMV228SD/NOPB Texas Instruments RF Power Detector for CDMA and WCDMA in micro SMD 6-WSON
LMV228TL/NOPB Texas Instruments RF Power Detector for CDMA and WCDMA in micro SMD 4-DSBGA -40 to 85
LMV228 's PackagesLMV228 's pdf datasheet
LMV228SD LLP
LMV228SDX LLP
LMV228TL
LMV228TLX
LMV228UR
LMV228URX




LMV228 Pinout, Pinouts
LMV228 pinout,Pin out
This is one package pinout of LMV228,If you need more pinouts please download LMV228's pdf datasheet.

LMV228 Application circuits
LMV228 circuits
This is one application circuit of LMV228,If you need more circuits,please download LMV228's pdf datasheet.


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