SI4136-EVB Silicon Labs

Si4136/Si4126 ISM RF SYNTHESIZER WITH INTEGRATED VCOS FOR WIRELESS COMMUNICATIONS Features Dual-band RF synthesizers Minimal external components RF1: 2300 MHz to 2500 MHz required RF2: 2025 MHz to 2300 MHz Low phase noise IF synthesizer 5 A standby current 62.5 MHz to 1000 MHz 25.7 mA typical supply current Ordering Information: Integrated VCOs, loop filters, 2.7 V to 3.6 V operation See page 29. varactors, and resonators Packages: 24-pin TSSOP, 28-lead QFN Lead-free/RoHS-compliant options available Pin Assignments Applications Si4136-GT ISM and MMDS band Dual-band communications SEN SCLK 1 24 communications Wireless LAN and WAN VDDI SDATA 2 23 IFOUT GND 3 22 Description GND GND 4 21 NC IFLB The Si4136 is a monolithic integrated circuit that performs both IF and RF 5 20 synthesis for wireless communications applications. The Si4136 includes GND 6 19 IFLA three VCOs, loop filters, reference and VCO dividers, and phase detectors. NC GND 7 18 Divider and powerdown settings are programmable through a three-wire VDDD serial interface. GND 8 17 GND GND 9 16 Functional Block Diagram GND XIN 10 15 RFOUT PWDN 11 14 Reference VDDR AUXOUT XIN 1/2 R 12 13 RF1 Phase Amplifier Detect RF1 Power PWDN Down RFOUT Si4136-GM N 2 Control RF1 SDATA R RF2 Phase Serial Interface Detect SCLK RF2 28 27 26 25 24 23 22-bit 22 SEN Data GND 1 21 GND N 2 Register RF2 GND 2 20 IFLB R Test IF Phase NC 3 19 IFLA AUXOUT IFDIV IFOUT Mux Detect GND GND 4 18 GND IF IFLA NC 5 17 VDDD N IF IFLB GND 6 16 GND GND 7 15 XIN 8 9 10 11 12 13 14 Patents pending Rev. 1.42 Copyright 2014 by Silicon Laboratories Si4136/Si4126 This information applies to a product under development. Its characteristics and specifications are subject to change without notice. Silicon Laboratories Confidential. Information contained herein is covered under non-disclosure agreement (NDA). GND GND GND SDATA RFOUT SCLK VDDR SEN AUXOUT VDDI PWDN IFOUT GND GNDSi4136/Si4126 2 Rev. 1.42