ISL3690IR-TK

® ISL3690 Data Sheet March 2003 FN8046 Dual Band Direct Conversion Transceiver The Intersil ISL3690 is a highly integrated UHF2 process, DUAL BAND direct conversion transceiver and is part of a 2.4/5.2GHz, IEEE802.11a/b/g compliant radio chipset. The ISL3690 directly interfaces with Intersil’s ISL3890 Medium Access Controller with Integrated Baseband processor. The addition of Intersil’s ISL3990 power amplifier and ISL3090 10GHz VCO completes a WLAN transceiver application. Features • Highly integrated Dual Band RF to baseband solution • Frequency of operation . 2.4 to 2.5GHz or 5.15 to 5.35GHz • Low supply operation . . . . . . . . . . . . . . . . . . . . 2.7 to 3.3V • Noise figure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.4dB • TX OFDM Output Power . . . . . . . . . . . . . . . . . . . . .-5dBm • TX I/Q MTPR, PAR=12 . . . . . . . . . . . . . . . . . . . . . . -45dB • RX Voltage gain . . . . . . . . . . . . . . . . . . . . . . . . . 0 to 74dB • RX I/Q MTPR, PAR=12, High Gain . . . . . . . . . . . . . -35dB Pinout ISL3690 (QFN) TOP VIEW BB_GND/RREF_2 • TX/RX switching speed . . . . . . . . . . . . . . . . . . . . . . .