
Maxim Integrated
General Description
The MAX2830 direct conversion, zero-IF, RF transceiver is designed specifically for 2.4GHz to 2.5GHz 802.11g/b WLAN applications.
FEATUREs
♦ 2.4GHz to 2.5GHz ISM Band Operation
♦ IEEE 802.11g/b Compatible (54Mbps OFDM and 11Mbps CCK)
♦ Complete RF Transceiver, PA, Rx/Tx and Antenna Diversity Switch, and Crystal Oscillator
Best-in-Class Transceiver Performance
62mA Receiver Current
3.3dB Rx Noise Figure
-75dBm Rx Sensitivity (54Mbps OFDM)
No I/Q Calibration Required
0.1dB/0.35° Rx I/Q Gain/Phase Imbalance
33dB RF and 62dB Baseband Gain Control Range
60dB Range Analog RSSI per RF Gain Setting
Fast Rx I/Q DC-Offset Settling
Programmable Baseband Lowpass Filter
20-Bit Sigma-Delta Fractional-N PLL with < 20Hz Step Size
Digitally Tuned Crystal Oscillator
+17.1dBm Transmit Power (5.6% EVM with 54Mbps OFDM)
31dB Tx Gain Control Range
Integrated Power Detector
Fully Integrated RF Input and Output Matching and DC Blocking
Serial or Parallel Gain-Control Interface
> 40dB Tx Sideband Suppression Without Calibration
Rx/Tx I/Q Error Detection
♦ Transceiver Operates from +2.7V to +3.6V
♦ PA Operates from +2.7V to +4.2V
♦ Low-Power Shutdown Mode
♦ Small 48-Pin TQFN Package (7mm x 7mm x 0.8mm)
APPLICATIONs
Wi-Fi, PDA, VOIP, and Cellular Handsets
Wireless Speakers and Headphones
General 2.4GHz ISM Radios