AT86RF535A

Features Single-chip WiMax Transceiver @ 3.5GHz Fully Differential Design Low-IF Receiver Architecture; Requires No External Filters Self Calibration Mode for RX / TX Filters Supports Channel Bandwidths of 1.75, 3.5, and 7MHz Modulation up to 64QAM Ultra-fast Fractional-N Synthesizer Sensitivity < -68dBm @ 64-QAM, CR=¾, 7MHz BW Phase Noise Synthesizer: 0.8° (-37dBc) Low Supply Voltage: 2.7V TX Output PRF: -12 dBm RX/TX Operating Current: 200/320mA Typical Low Power Off Current: < 20µA Typical 56-lead QFN Package Low External Component Count of only a few Passives WiMax Transceiver 802.16-2004 AT86RF535A Applications 3.5 GHz Band Wireless Communication Devices IEEE® 802.16-2004 Radios Supports OFDM up to 64QAM Preliminary Figure 1. www.DataSheet4U.com AT86RF535A Block Diagram TX Power Control RX Gain Control LNA I Q Synthesizer Driver I Q Config Register CLK 5108B–WiMax–2/06 Description Atmel’s AT86RF535A is a fully integrated, low cost RF 3.5GHz Low-IF conversion transceiver for WiMax applications. It combines excellent RF performance with low current consumption at the smallest die size. The AT86RF535A chip is fabricated on the advanced AT46000 SiGe BiCMOS process. The transceiver combines LNA, PA driver, RX/TX mixer, RX/TX filters, VCO, Synthesizer, RX Gain control, and TX Power control, all fully digital controlled. The number of external components is limited to only a few devices. Quick Reference Data Table 1. Symbol F...