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Si4133

Skyworks
Part Number Si4133
Manufacturer Skyworks
Description DUAL-BAND RF SYNTHESIZER
Published Sep 11, 2023
Detailed Description Si4133 Si4123/22/13/12 DUAL-BAND RF SYNTHESIZER WITH INTEGRATED VCOS FOR WIRELESS COMMUNICATIONS F E AT U R E S  Dua...
Datasheet PDF File Si4133 PDF File

Si4133
Si4133

Overview
Si4133 Si4123/22/13/12 DUAL-BAND RF SYNTHESIZER WITH INTEGRATED VCOS FOR WIRELESS COMMUNICATIONS F E AT U R E S  Dual-band RF synthesizers  Low phase noise RF1: 900 MHz to 1.
8 GHz  Programmable powerdown modes RF2: 750 MHz to 1.
5 GHz  1 µA standby current  IF synthesizer  18 mA typical supply current IF: 62.
5 to 1000 MHz  2.
7 to 3.
6 V operation  Integrated VCOs, loop filters,  Packages: 24-pin TSSOP, varactors, and resonators 28-lead QFN  Minimal (2) number of external Lead-free and RoHS compliant components required Applications  Dual-band communications  Digital cellular telephones GSM 850, E-GSM 900, DCS 1800, PCS 1900  Digital cordless phones  Analog cordless phones  Wireless local loop Description The Si4133 is a monolithic integrated circuit that performs both IF and dualband 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 threewire serial interface.
Functional Block Diagram Ordering Information: See page 31.
Pin Assignments Si4133-GT SCLK 1 SDATA 2 GNDR 3 RFLD 4 RFLC 5 GNDR 6 RFLB 7 RFLA 8 GNDR 9 GNDR 10 RFOUT 11 VDDR 12 24 SEN 23 VDDI 22 IFOUT 21 GNDI 20 IFLB 19 IFLA 18 GNDD 17 VDDD 16 GNDD 15 XIN 14 PWDN 13 AUXOUT XIN PWDN Reference Amplifier Powerdown Control SDATA SCLK SEN AUXOUT Serial Interface 22-bit Data Register Test Mux R Phase Detector RF1 N R Phase Detector RF2 N R Phase Detector IF N IFDIV RFLA RFLB RFOUT RFLC RFLD IFOUT IFLA IFLB Si4133-GM GNDR SDATA SCLK SEN VDDI IFOUT GNDI GNDR RFLD RFLC GNDR RFLB RFLA GNDR 28 27 26 25 24 23 22 1 21 GNDI 2 20 IFLB 3 19 IFLA 4 GND Pad 18 GNDD 5 17 VDDD 6 16 GNDD 7 15 XIN 8 9 10 11 12 13 14 GNDR GNDR RFOUT VDDR AUXOUT PWDN GNDD Patents pending Skyworks Solutions, Inc.
• Phone [949] 231-3000 • sales@skyworksinc.
com • w...


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