NJG1122PB4

NJG1122PB4 www.DataSheet4U.com W-CDMA Dual LNA GaAs MMIC QGENERAL DESCRIPTION The NJG1122PB4 is a Dual band LNA IC designed for W-CDMA cellular phone of 2.1GHz and 800MHz band. This IC has a LNA pass-through function to select high gain mode or low gain mode. An ultra small and ultra thin package of FFP12–B4 is adopted. QFEATURES OLow voltage operation OLow CTL voltage operation OLow current consumption QPACKAGE OUTLINE NJG1122PB4 OSmall package +2.7V +1.85V 2.4mA typ. @2.1GHz band (High Gain Mode) 2.0mA typ. @800MHz band (High Gain Mode) 4uA typ. @800MHz / 2.1GHz band (Low Gain Mode) FFP12-B4 (Package size: 2.0 x 2.0 x 0.65mm typ) [High gain mode] OHigh gain OLow noise figure OHigh Input IP3 [Low gain mode] OGain OLow noise figure OHigh Input IP3 14.5dB typ. @fRF =2140MHz16.0dB typ. @fRF =885MHz 1.7dB typ. @fRF=2140MHz 1.45dB typ. @fRF =885MHz -3.5dBm typ. @ fRF=2140.0+2140.1MHz, Pin=-36dBm -3.5dBm typ. @fRF=885.0+885.1MHz, Pin=-36dBm -4.0dB typ. @fRF=2140MHz -4.5dB typ. @fRF=885MHz 4.0dB typ. @fRF=2140MHz 4.5dB typ. @fRF=885MHz +2.5dBm typ. @fRF=2140.0+2140.1MHz, Pin=-20dBm +2.0dBm typ. @fRF=885.0+885.1MHz, Pin=-20dBm QPIN CONFIGURATION (Top View) VINV 9 VCTL1 8 GND 7 RFIN2 RFOUT2 10 2.1GHz Band Logic Circuit 6 GND GND 11 5 RFIN1 RFOUT1 12 800MHz Band 4 Pin Connection 1. GND 2. VCTL2 3. EXTCAP 4. RFOUT1 (800MHz band) 5. GND 6. RFOUT2 (2.1GHz band) 7. GND 8. VCTL1 9. VINV 10. RFIN2 (2.1GHz band) 11. GND 12. RFIN1 (800MHz band) GND 1 VCTL2 2 EXTCAP ...