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 4704bs?dect?12/08
2 4704bs?dect?12/08 atr2820 figure 1-1. block diagram lna ir-mixer bp cp/vt vreg_vco v s _vreg iref rx_in v s _ s yna rx_data r ss i clock data v s _ifa v s _ s ynd reg_dec digital demod li mi ter enable v s _ifd pa pll ref_clk i_comp tx_mod vco reg bia s tx_on hb s rx_on vco tx_out ron_out rx_on output b u ffer v s _trx bu s ctrl logic
3 4704bs?dect?12/08 atr2820 3. package information 4. revision history 2. ordering information extended type number package remarks atr2820-pnqg qfn32, 5 mm 5 mm taped and reeled 32 5 1 9 16 32 25 17 24 8 1 5 3.7 3.5 0.5 nom. 0.23 0.4 0.9 0.1 0.05 -0.05 +0 specifications according to din technical drawings issue: 1; 22.01.03 drawing-no.: 6.543-5096.01-4 package: qfn 32 - 5 x 5 exposed pad 3.7 x 3.7 dimensions in mm not indicated tolerances 0.05 please note that the following page numbers referred to in this section refer to the specific revision mentioned, not to this document. revision no. history 4704bs-dect-12/08 ? section 3 ?package information? on page 3 changed
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