note: this is a summary document. the complete document is available under nda. for more information, please contact your local atmel sales office. features ? 5.8 ghz transceiver 5 dbm tx output power ?97 dbm sensitivity 1152 kbit/s data-rate supply-voltage range 2.9v to 3.6v low if receiver low current consumption few low cost external components no mechanical adjustment required small 32 pin 5 mm 5 mm qfn package applications 5.8 ghz digital cordless phones game controllers wireless head set fcc part 15 compliant radio link 1. description the atr2820 is a single-chip rf-transceiver for applications in the 5.8 ghz ism band. the qfn32 packaged ic is a complete transceiver including image rejection mixer, low-if filter, fm demodulator, rss i, tx preamplifier, in tegrated pll with fully integrated vco. no mechanical adjustment is necessary in production. low if wdct 5.8 ghz transceiver atr2820 summary preliminary 4704as?dect?04/07
2 4704as?dect?04/07 atr2820 [preliminary] figure 1-1. block diagram lna ir-mixer bp cp/vt vreg_vco vs vreg iref rx_in vs_syna rx_data rssi clock data vs_ifa vs_syn d reg_dec digital demod li mi ter enable vs_ifd pa pll ref clk i comp tx mod vco reg bias tx_on hbs rx_on vco tx_out ron_out rx_on output buffer vs_trx bus ctrl logic
3 4704as?dect?04/07 atr2820 [preliminary] 3. package information 2. ordering information extended type number package remarks ATR2820-PNQG qfn32, 5 mm 5 mm taped and reeled 0.23 0.07 0.4 0.05 0.9 0.1 3.15 0.15 9 16 32 25 17 24 8 1 32 8 1 5 0.5 nom. package: qfn 32 - 5 x 5 exposed pad 3.15 x 3.15 (acc. jedec outline no. mo-220) dimensions in mm specifications according to din technical drawings issue: 2; 24.01.03 drawing-no.: 6.543-5087.01-4
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