ISL3686A

® ISL3686A Data Sheet May 2003 FN8065.1 Direct Down Conversion Transceiver www.datasheet4u.com Features Highly integrated RF to baseband solution Frequency of operation . . . . . . . . . . . . 2.4GHz to 2.5GHz Low supply operation . . . . . . . . . . . . . . . . . . . 2.7V to 3.3V Noise figure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.1dB Voltage gain . . . . . . . . . . . . . . . . . . . . . . . +1.5dB to 81dB Gain and phase balance, typical . . . . . . . . . ±0.5dB, ±2deg. TX/RX switching speed . . . . . . . . . . . . . . . . . . . . . . < 1µs Direct simple interface to ISL3880 The Intersil ISL3686A is a highly integrated SiGe process, direct down conversion transceiver and is part of the PRISM GT, 2.4GHz 54Mbps, IEEE802.11b/g compliant radio chipset. The ISL3686A directly interfaces with Intersil’s ISL3865A Baseband Processor (BBP) and ISL3880 Integrated Medium Access Controller (MAC) with BBP. The addition of the ISL3980 Intersil power amplifier, and the ISL3084 5GHz VCO completes the LAN radio application. Pinout ISL3686A (MLFP) TOP VIEW QOFFSET+ QOFFSETBB_AGC+ IOFFSET+ BB_OVLD BB_RREF BB_AGCIOFFSETMX_GND MX_GND BB_GND LNA_H/L MX_VCC Enhanced replacement for ISL3686 Applications PC card wireless LAN adapters High data rate wireless LAN systems targeting IEEE802.11b/g standards Spread spectrum WLAN RF modems TDMA or CSMA packet protocol radios PCI wireless LAN cards ISA, ISA PnP WLAN cards PCN / wireless PBX / w...