features ? fully integrated tx/rx with 2.9 ghz tx vco for 5.8 ghz applications using a frequency doubler supply voltage range 3.4v to 4.6v tx preamplifier with 0 dbm output power at 2.9 ghz ramp-signal generator for power ramping an d power control of external sige power amplifier fast settling synthesizer (1.728 mhz channel spacing at 5.8 ghz) supports multiple reference clocks (10.368 mhz/13.824 mhz) benefits extended battery operating time low current consumption very small 7 7 mm package few low cost external components no mechanical tuning required 1. description the atr2808 is an rf ic for low-power applications in the 5.8 ghz ism band. the qfn 48-packaged ic is a complete transceiver including image rejection mixer, if amplifier, fm demodulator, baseband filter, rssi, tx preamplifier, power-ramping generator for power amplifiers, integrated synthesizer, fully integrated vco and gaus- sian data filter for tx. figure 1-1. block diagram tank pc rc gf cp vco f : n f : n ctrl logic pd tx / rx switch ir mixer if amp 1 if amp 2 demod bb filter 3-wire bus demod dac rssi tx driver clock data enable rx_on tx_on pu_rx/tx pu_pll tx_data rssi bb_out cf demod if_tank if_in mixer out rf_in tx_out vs_vco cp ld ref_clk vtune vreg vs_reg reg_ctrl vreg_vco vco reg ramp gen ramp_out ramp_set aux reg ole pu_reg gnd_vco d/a i_cpsw ramp d/a 2.9/5.8 ghz wdcet/ism single-chip transceiver atr2808 summary rev. 4693es?dect?03/06 note: this is a summary docu ment. a complete document is available under nda. for more information, please con- tact your local atmel sales office.
2 4693es?dect?03/06 atr2808 3. package information 2. ordering information extended type number package remarks ATR2808-PLQ qfn 48 taped and reeled
printed on recycled paper. 4693es?dect?03/06 ? atmel corporation 2006 . all rights reserved. atmel ? , logo and combinations thereof, everywhere you are ? and others, are registered trade- marks or trademarks of atmel corporation or its subsidiari es. other terms and product names may be trademarks of others. disclaimer: the information in this document is provided in connection with atmel products. no license, express or implied, by estoppel or otherwise, to any intellectual property right is granted by this document or in connection with the sale of atmel products. except as set forth in atmel?s terms and condi- tions of sale located on atmel? s web site, atmel assumes no liability whatsoever and disclaims any express, implied or statutor y warranty relating to its products including, but not limited to, the implied warranty of merchantability, fitness for a particu lar purpose, or non-infringement. in no event shall atmel be liable for any direct, indirect, conseque ntial, punitive, special or i nciden- tal damages (including, without limitation, damages for loss of profits, business interruption, or loss of information) arising out of the use or inability to use this document, even if at mel has been advised of the possibility of such damages. atmel makes no representations or warranties with respect to the accuracy or completeness of the contents of this document and reserves the ri ght to make changes to specifications and product descriptions at any time without notice. atmel does not make any commitment to update the information contained her ein. unless specifically provided otherwise, atmel products are not suitable for, and shall not be used in, automotive applications. atmel?s products are not int ended, authorized, or warranted for use as components in applications intended to support or sustain life. atmel corporation atmel operations 2325 orchard parkway san jose, ca 95131, usa tel: 1(408) 441-0311 fax: 1(408) 487-2600 regional headquarters europe atmel sarl route des arsenaux 41 case postale 80 ch-1705 fribourg switzerland tel: (41) 26-426-5555 fax: (41) 26-426-5500 asia room 1219 chinachem golden plaza 77 mody road tsimshatsui east kowloon hong kong tel: (852) 2721-9778 fax: (852) 2722-1369 japan 9f, tonetsu shinkawa bldg. 1-24-8 shinkawa chuo-ku, tokyo 104-0033 japan tel: (81) 3-3523-3551 fax: (81) 3-3523-7581 memory 2325 orchard parkway san jose, ca 95131, usa tel: 1(408) 441-0311 fax: 1(408) 436-4314 microcontrollers 2325 orchard parkway san jose, ca 95131, usa tel: 1(408) 441-0311 fax: 1(408) 436-4314 la chantrerie bp 70602 44306 nantes cedex 3, france tel: (33) 2-40-18-18-18 fax: (33) 2-40-18-19-60 asic/assp/smart cards zone industrielle 13106 rousset cedex, france tel: (33) 4-42-53-60-00 fax: (33) 4-42-53-60-01 1150 east cheyenne mtn. blvd. colorado springs, co 80906, usa tel: 1(719) 576-3300 fax: 1(719) 540-1759 scottish enterprise technology park maxwell building east kilbride g75 0qr, scotland tel: (44) 1355-803-000 fax: (44) 1355-242-743 rf/automotive theresienstrasse 2 postfach 3535 74025 heilbronn, germany tel: (49) 71-31-67-0 fax: (49) 71-31-67-2340 1150 east cheyenne mtn. blvd. colorado springs, co 80906, usa tel: 1(719) 576-3300 fax: 1(719) 540-1759 biometrics/imaging/hi-rel mpu/ high speed converters/rf datacom avenue de rochepleine bp 123 38521 saint-egreve cedex, france tel: (33) 4-76-58-30-00 fax: (33) 4-76-58-34-80 literature requests www.atmel.com/literature
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