Si4201-BM

Aero AERO® TRANSCEIVER FOR GSM AND GPRS WIRELESS COMMUNICATIONS Features Low-IF receiver: Dual or triple-band LNA Image-reject down-converter High-performance A/D converters Universal baseband interface: Digital IF to baseband converter, channel-select filter and gain control Analog or digital I/Q interface Offset-PLL transmitter: High precision I/Q up-converter Integrated TX VCO and loop filter Dual RF synthesizer: Integrated RF and IF VCOs, loop filters, varactors, and resonators Quad-band support: GSM 850 Class 4, small MS E-GSM 900 Class 4, small MS DCS 1800 Class 1 PCS 1900 Class 1 GPRS Class 12 compliant CMOS process technology Low profile packages: Si4200: 5 x 5 mm QFN32 Si4201: 4 x 4 mm QFN20 Si4133T: 5 x 5 mm QFN28 3-wire serial interface 2.7 V to 3.0 V operation Pin Assignments (Top View) Si4200-G-GM (Si4200DB-BM see page 41) VDD PDN GND NC NC GND VDD RFOG 32 31 30 29 28 27 26 25 ION 1 24 RFOD IOP 2 23 VDD CKN 3 22 RFIGN CKP 4 TXIP 5 GND 21 RFIGP PAD 20 RFIDN TXIN 6 19 RFIDP TXQP 7 18 RFIPN TXQN 8 17 RFIPP 9 10 11 12 13 14 15 16 IFLOP IFLON GND RFLOP RFLON VDD DIAG2 DIAG1 Applications Multi-band GSM/GPRS digital cellular handsets GSM/GPRS wireless data modems Description The Aero® transceiver is a complete RF front end for multi-band GSM and GPRS wireless communications. The transmit section interfaces between the baseband processor and the power amplifier. The receive section interfaces between the RF band-select SAW filters and the baseband ...