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, RSSI, TX preamplifier, integrated PLL with fully integrated VCO. No mechanical adjustment is necessary in production. Low IF WDCT 5.8 GHz Transceiver ATR2820 Summary Preliminary NOTE: This is a summary document. The complete document is available under NDA. For more information, please contact your local Atmel sales office. 4704AS–DECT–04/07 Figure 1-1. Block Diagram REG_DEC VREG_VCO VCO REG LNA VS VREG IREF VS_SYNA VS_SYND VS_IFA VS_IFD VS_TRX BIAS IR-MIXER BP LIMITER RX_IN DIGITAL DEMOD RX_DATA RSSI RON_OUT RX_ON OUTPUT Buffer BUS PA TX_OUT VCO CTRL LOGIC PLL CLOCK DATA ENABLE RX_ON TX_ON HBS TX MOD 2 CP/VT I COMP REF CLK ATR2820 [Preliminary] 4704AS–DECT–04/07 ATR2820 [Preliminary] 2. Ordering Information Extended Type Number Package Remarks ATR2820-PNQG QFN32, 5 mm × 5 mm Taped and reeled 3. Package Information Package: QFN 32 - 5 x 5 Exposed pad 3.15 x 3.15 (acc. JEDEC OUTLINE No. MO-220) Dimensions in mm 5 0.9±0.1 3.15±0.15 32 25 32 24 1 1 technical drawings according to DIN specifications 17 8 16 0.4±0.05 0.23±0.07 8 9 0.5 nom. Drawing-No.: 6.543-5087.01-4 Issue: 2; 24.01.03 3 4704AS–DECT–04/07 Atmel Corporation 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 Atmel Operations Memory 2325 Orchard Parkway San Jose, CA 95131, USA Tel: 1(408) 441-0311 Fax: 1(408) 436-4314 RF/Automotive Theresienstrasse 2 Postfach 3535 74025 Heilbronn, Germany Tel: (49) 71-31-67-0 Fax: (49) 71-31-67-2340 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 1150 East Cheyenne Mtn. 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