RF2861 Datasheet | RF Micro Devices

Features - 3mm x 3mm LNA/Mixer Solution - Adjustable LNA and Mixer Current/IIP3 - Meets IMD Tests with Three Gain States/Two Logic Control Pins - Integrated TX LO Buffer Amplifier - Full ESD Protection on all Pins Applications - CDMA/JCDMA Cellular Systems - CDMA450 Handsets/Data Cards - AMPS Cellular Systems - General Purpose LNA and Downconverter - mercial and Consumer Systems - Portable Battery-Powered Equipment 16 15 14 13 G2 1 12 LO IN LNA IN 2 11 GND LNA EMITTER 3 10 IF OUT- LNA OUT 4 9 IF OUT+ ISET2 ISET1 G1 MIX IN Functional Block Diagram Product Description The RF2861 is a receiver front-end for CDMA cellular applications, including JCDMA and CDMA450. It is designed to amplify and downconvert RF signals, using a three gain state LNA to obtain 17d B of stepped gain control. Features include digital control of LNA gain and power down mode, along with an integrated TX LO buffer amplifier. Another feature of the chip is adjustable IIP3 of the LNA and mixer using off-chip current setting resistors to allow for minimum DC current consumption. Noise figure, IIP3, and other specs are designed to be patible with the TIA/EIA 98D standard for CDMA cellular munications. The IC is manufactured on an advanced Silicon Germanium Bi-CMOS process and is in a 3mm x 3mm, 16-pin, QFN. Ordering Information RF2861SQ RF2861SR RF2861TR7 RF2861PCK-410 Sample bag with 25 pieces 7" Reel with 100 pieces 7" Reel with 2500 pieces 460MHz to 900MHz PCBA with 5-piece sample bag DS120220 Optimum Technology Matching® Applied Ga As HBT - Si Ge Bi CMOS Ga As p HEMT Ga N...