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LMV226 Datasheet(PDF) 1 Page - Texas Instruments |
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LMV226 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 30 page PA ANTENNA RFIN/EN OUT LMV226/ LMV228 RF ENABLE R2 10 k: VDD GND 50: C 100 pF PA ANTENNA OUT RF VDD GND RFIN/EN LMV225 R1 1.8 k: R2 10 k: ENABLE C 100 pF LMV225, LMV226, LMV228 www.ti.com SNWS013L – AUGUST 2003 – REVISED MARCH 2013 LMV225/LMV226/LMV228 RF Power Detector for CDMA and WCDMA Check for Samples: LMV225, LMV226, LMV228 1 FEATURES DESCRIPTION The LMV225/LMV226/LMV228 are 30 dB RF power 2 • 30 dB Linear in dB Power Detection Range detectors intended for use in CDMA and WCDMA • Output Voltage Range 0.2 to 2V applications. The device has an RF frequency range • Logic Low Shutdown from 450 MHz to 2 GHz. It provides an accurate temperature and supply compensated output voltage • Multi-Band Operation from 450 MHz to 2000 that relates linearly to the RF input power in dBm. MHz The circuit operates with a single supply from 2.7V to • Accurate Temperature Compensation 5.5V. The LMV225/LMV226/LMV228 have an • Packages: integrated filter for low-ripple average power detection of CDMA signals with 30 dB dynamic range. – DSBGA Thin 1.0 mm x 1.0 mm x 0.6 mm Additional filtering can be applied using a single – DSBGA Ultra Thin 1.0 mm x 1.0 mm x 0.35 external capacitor. mm The LMV225 has an RF power detection range from – WSON 2.2 mm x 2.5 mm x 0.8 mm –30 dBm to 0 dBm and is ideally suited for direct use – (LMV225 and LMV228) in combination with resistive taps. The LMV226/LMV228 have a detection range from –15 APPLICATIONS dBm to 15 dBm and are intended for use in combination with a directional coupler. The LMV226 • CDMA RF Power Control is equipped with a buffered output which makes it • WCDMA RF Power Control suitable for GSM, EDGE, GPRS and TDMA • CDMA2000 RF Power Control applications. • PA Modules 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 DSBGA package and the ultra thin 1.0 mm x 1.0 mm x 0.35 mm DSBGA package. The LMV225 and the LMV228 are also offered in the 2.2 mm x 2.5 mm x 0.8 mm WSON package. Typical Application Figure 1. LMV225 Figure 2. LMV226/LMV228 1 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. 2 All trademarks are the property of their respective owners. PRODUCTION DATA information is current as of publication date. Copyright © 2003–2013, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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