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A7121 Datasheet(PDF) 1 Page - AMIC Technology |
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A7121 Datasheet(HTML) 1 Page - AMIC Technology |
1 / 2 page A7121 Preliminary 2.4GHz GFSK Transceiver PRELIMINARY (Mar. 2005, Version 0.6) 1 AMIC Technology, Corp. Typical Applications Wireless digital audio Wireless Mouse and Keyboard 2.4GHz ISM Band Communication System Wireless game pad Wireless toy General Description A7121 is a monolithic CMOS integrated circuit for wireless applications in 2.4GHz ISM band. The device is provided in a 32-lead plastic QFN5X5 packaging and is designed as a complete GFSK transceiver up to 3Mbps data rate. The chip features a fully programmable frequency synthesizer with integrated VCO circuitry. Features 2400MHz~2484MHz worldwide license free frequency band Up to 79 selectable channels 2.2 V – 2.8 V voltage supply Programmable output power up to 0dBm Channel switching time < 200us 1 or 3Mbps high speed data rate -20 ºC to 85 ºC operating temperature -87dBm sensitivity Direct / FIFO mode operation Modem interface for low speed, low cost microcontroller Low IF architecture with few external components Pin Configurations 1 2 3 4 5 6 7 8 24 23 22 21 20 19 18 17 A7121 RFO BP _ L I M2 BP _ L I M1 BP _ BPF D D V_ A RF I VD D_ VCO BP _ VCO RX _CLK RX_ SYN CD_ TXEN TRXD TXD F_ CLK RESTEN MS0 QFN Package Top View |
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