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SI4113-D-ZT1 Datasheet(PDF) 1 Page - Silicon Laboratories |
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SI4113-D-ZT1 Datasheet(HTML) 1 Page - Silicon Laboratories |
1 / 36 page Rev. 1.61 1/10 Copyright © 2010 by Silicon Laboratories Si4133 Si4133 Si4123/22/13/12 D UAL-B AND RF S YNTHESIZER WITH I NTEGRATED VCO S F OR WIRELESS C OMMUNICATIONS F EATURES Applications Description The Si4133 is a monolithic integrated circuit that performs both IF and dual- band RF synthesis for wireless communications applications. The Si4133 includes three VCOs, loop filters, reference and VCO dividers, and phase detectors. Divider and powerdown settings are programmable with a three- wire serial interface. Functional Block Diagram Dual-band RF synthesizers RF1: 900 MHz to 1.8 GHz RF2: 750 MHz to 1.5 GHz IF synthesizer IF: 62.5 to 1000 MHz Integrated VCOs, loop filters, varactors, and resonators Minimal (2) number of external components required Low phase noise Programmable powerdown modes 1 µA standby current 18 mA typical supply current 2.7 to 3.6 V operation Packages: 24-pin TSSOP, 28-lead QFN Lead-free and RoHS compliant Dual-band communications Digital cellular telephones GSM 850, E-GSM 900, DCS 1800, PCS 1900 Digital cordless phones Analog cordless phones Wireless local loop IFOUT IFLA IFLB RFOUT XIN PWDN SDATA SCLK SEN IF RF2 RF1 Powerdown Control Reference Amplifier Serial Interface AUXOUT IFDIV R R R N N N Phase Detector 22-bit Data Register Test Mux RFLC RFLD RFLA RFLB Phase Detector Phase Detector Patents pending Ordering Information: See page 31. Pin Assignments Si4133-GT Si4133-GM 124 223 322 421 520 619 718 817 916 10 15 11 14 12 13 SCLK SDATA GNDR RFLD RFLC RFLB GNDR RFLA GNDR GNDR RFOUT VDDR SEN VDDI IFOUT GNDI IFLB IFLA GNDD VDDD GNDD XIN PWDN AUXOUT GND Pad RFLD RFLC RFLB GNDR RFLA GNDI IFLB IFLA VDDD GNDD XIN 21 20 19 18 17 16 15 8 9 10 11 12 13 14 28 27 26 25 24 23 22 1 2 3 4 5 6 7 GNDR GNDR GNDD |
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