AP1098 Datasheet | RFIC

features a LOW current of 85m A, small signal gain of 25 d B, linear power of 19d Bm and PAE of 28% for 802.11g under 3.3V. It can also be adjusted to smaller current(~60m A) with lower linear power (~16d Bm). The AP1098 is housed in a 3 x 3 (mm), 16-pin, and QFN leadless package. The AP1098 is suitable to be used in portable, low current 802.11b and 802.11g WLAN applications. Major Applications - IEEE 802.11b/g WLAN system - WLAN Portable Devices - WLAN USB Devices - Bluetooth and other 2.4 GHz ISM Band Application - Ultra LOW Current (see below specs) - Ultra High Efficiency: PAE>28% @802.11g linear power - Gain: 25 d B Under Vc=3.3V, Vref=3V - 11g linear power: 19d Bm current: 85m A - 11b linear power: 23d Bm current: 165m A Pin Details Pin Number 1 2 Functional Block Diagram NC 16 NC Vcc1 Vcc1 RF IN 15 14 1 2 Input Match e r P C 3 4 5 6 7 13 12 RF OUT 11 RF OUT y r a n i m i l - Low Idle Current: 25m A Name Description RF_IN GND RF input. DC and RF ground. Vcc_Bias Supply voltage for bias circuit. Power detector output. 1st-stage control voltage 2nd-stage control voltage DC and RF ground. No contact (Connect to ground for better thermal dissipation.) RF output. Require external matching. The detail configuration can be found in Application Notes Supply voltage for first stage. Some bypass capacitors are needed for system application. The detail configuration can be found in Application Notes. No contact (Connect to ground for better thermal dissipation.) Dect_Out Vb1 Vb2 GND NC NC RF_OUT RF_OUT RF_OUT VCC1 VCC1 NC NC 8 9 10 11 12 13 14 15 Vcc_Bias Bias 10 RF OUT Dect_Out 4 5 Vb1 6 Vb2 7 Detector 8 NC QFN- 16 pin, 3 x 3 (mm) Package Base The package ground provides circuit Center Metal ground as well as heat dissipation path for the power amplifier. © 2003 RF Integrated Corporation. All rights reserved. Vb2 can be connected with Vb1 pin into a single Vref through external resistor. (Please refer to the AP1098...