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SI4721-B20-GM

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Application Specific Clock/Timing [15]
Audio Special Purpose [18]
LDO Voltage Regulators [66]
Clock Buffers, Drivers [146]
Instrumentation, OP Amps, Buffer Amps [214]
Switching Controllers [137]
Clock Generators, PLLs, Frequency Synthesizers [79]
LDO Voltage Controllers [417]
Delay Lines [3]
Linear Voltage Regulators [4]
Video Amps and Modules [14]
IC Batteries [3]
Switching Voltage Regulators [715]
Programmable Timers and Oscillators [23]
RF JFET Transistors [10]
Analog to Digital Converters - ADC [50]
Hot Swap Voltage Controllers [6]
Real Time Clocks [108]
ADCs/DACs - Special Purpose [26]
Digital to Analog Converters - DAC [29]
RF Bipolar Transistors [2]
EEPROM [15]
Flash Memory [91]
Digital Potentiometers [2]
Memory ICs [806]
Analog Comparators [56]
Limiting Amplifiers [2]
Application Specific Microcontrollers [16]
SRAM [27]
CPLDs (Complex Programmable Logic Devices) [257]
Operational Amplifiers - Op Amps [112]
DSP (Digital Signal Processors) [27]
Video Amplifiers [2]
FPGAs (Field Programmable Gate Array) [697]
Isolation Amplifiers [3]
Audio Amplifiers [63]
Audio D/A Converter ICs [3]
Microcontrollers [1497]
Instrumentation Amplifiers [1]
Microcontrollers, Microprocessor, FPGA Modules [1]
LED Lighting Drivers [200]
Microprocessors [6]
PLDs (Programmable Logic Device) [72]
Video ICs [28]
Audio DSPs [5]
System On Chip (SoC) [127]
Analog Switches - Special Purpose [87]
High Speed Optocouplers [39]
AC/DC Converters [7]
Analog Switches, Multiplexers, Demultiplexers [7]
CODECS [42]
Gate Drivers [395]
Supervisory Circuits [71]
Logic Output Optocouplers [19]
Specialized ICs [4]
Battery Management [39]
Drivers, Receivers, Transceivers [9]
Encoders, Decoders, Converters [10]
Voltage References [36]
Filters - Active [4]
Power Management Specialized - PMIC [48]
Clock Buffer [26]
I/O Expanders [67]
LCD, OLED, Graphic [3]
Modems - ICs and Modules [6]
Real Time Clock [3]
RF Accessories [2]
Clock Generators & Support Products [49]
Modules [4]
RF Transceiver ICs [201]
Ethernet ICs [69]
Sensor and Detector Interfaces [25]
Fiber Optic Transmitters - Drive Circuitry Integrated [1]
Sensor, Capacitive Touch [6]
Timers & Support Products [16]
Network Controller & Processor ICs [27]
Serializers, Deserializers [21]
Interface - Specialized [99]
LED Emitters - Infrared, UV, Visible [15]
Signal Buffers, Repeaters, Splitters [35]
Motor / Motion / Ignition Controllers & Drivers [134]
semiconductors-Integrated Circuits - ICs [222]
CAN Interface IC [26]
Specialized [6]
Digital Isolators [178]
Telecom [94]
PCI Interface IC [35]
UARTs (Universal Asynchronous Receiver Transmitter [74]
Clock Synthesizer / Jitter Cleaner [29]
Voice Record and Playback [23]
RS-232 Interface IC [123]
Interface - I/O Expanders [8]
Sensor Hardware & Accessories [1]
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors [21]
Telecom Interface ICs [16]
Interface - CODECs [1]
Resettable Fuses - PPTC [136]
Video Processing [86]
Buffers, Drivers, Receivers, Transceivers [115]
Linear Displacement Sensors [2]
RS-422/RS-485 Interface IC [152]
Comparators [10]
USB Interface IC [26]
Counters, Dividers [2]
Interface - Signal Buffers, Repeaters [5]
Varistors [54]
Automotive Connectors [295]
FIFOs Memory [1]
I/O Connectors [38]
Board to Board & Mezzanine Connectors [165]
Gates and Inverters [126]
Gates and Inverters - Multi-Function, Configurable [3]
Modular Connectors / Ethernet Connectors [35]
Buffers & Line Drivers [56]
USB Connectors [54]
Inverters [89]
Multivibrators [8]
Latches [14]
Parity Generators and Checkers [1]
Drivers, Receivers, Transceivers IC [225]
Shift Registers [17]
Signal Switches, Multiplexers, Decoders [1]
Phase Locked Loops - PLL [6]
Specialty Logic [2]
RF FETs, MOSFETs [58]
RF Misc ICs and Modules [30]
Translators, Level Shifters [38]
Single, Pre-Biased Bipolar Transistors [69]
RF Mixers [2]
Configuration PROMs for FPGAs [632]
Proximity Sensors [5]
TVS Diodes / ESD Suppressors [1326]
AC DC Converters, Offline Switches [539]
RF Directional Coupler [3]
Battery Chargers [103]
Bridge Rectifiers [1]
Bipolar Transistor Arrays, Pre-Biased [17]
Current Regulation/Management [19]
Zener Diode Arrays [5]
DC DC Switching Controllers [87]
Diodes - General Purpose, Power, Switching [27]
Display Drivers [17]
Schottky Diodes & Rectifiers [20]
Current Sensors [20]
Energy Metering [7]
Varactor Diodes [1]
Full Half-Bridge Drivers [49]
Zener Diodes [20]
SCRs [23]
Bipolar Transistors - BJT [266]
Hot Swap Controllers [11]
Triacs [14]
IGBT Modules [1051]
Lighting, Ballast Controllers [1]
IGBT Transistors [116]
Motor Drivers, Controllers [2]
Darlington Transistors [23]
OR Controllers, Ideal Diodes [11]
Bipolar Transistor Arrays [76]
PFC (Power Factor Correction) [37]
Bipolar RF Transistors [6]
Power Distribution Switches, Load Drivers [7]
Power Management - Specialized [2]
Sidacs [9]
Power Over Ethernet (PoE) Controllers [21]
Power Supply Controllers, Monitors [41]
16-bit Microcontrollers - MCU [2]
RF Receivers [31]
ARM Microcontrollers - MCU [29]
Special Purpose Regulators [6]
32-bit Microcontrollers - MCU [2]
RFID, RF Access, Monitoring ICs [5]
Supervisors [122]
8-bit Microcontrollers - MCU [47]
Thermal Management [9]
Analog Front End - AFE [6]
RF Multiplexers [18]
Humidity, Moisture Sensors [15]
Touch Screen Controllers [10]
Voltage Reference [4]
Power Driver Modules [3]
Voltage Regulators - DC DC Switching Regulators [3000]
Balun [14]
DRAM [42]
Voltage Regulators - Linear [297]
RFID Transponders, Tags [3]
Voltage Regulators - Linear + Switching [24]
Fiber Optic Receivers [1]
Security ICs / Authentication ICs [3]
Voltage Regulators - Linear Regulator Controllers [364]
Controllers [268]
Current Sense Amplifiers [8]
RF Transmitters [19]
Differential Amplifiers [4]
Flow Sensors [14]
High Speed Operational Amplifiers [6]
RF Front End (LNA + PA) [50]
RF Detectors [3]
Headers & Wire Housings [517]
Memory [902]
Sample & Hold Amplifiers [1]
RF Power Dividers/Splitters [2]
Special Purpose Amplifiers [6]
Gas Sensors [2]
Precision Amplifiers [7]
LED Dot Matrix and Cluster [2]
Ballasts, Inverters [3]
LCD Drivers [1]
Microphone Preamplifiers [3]
RFID Antennas [2]
RF Demodulators [1]
Transimpedance Amplifiers [1]
IrDA Transceiver Modules [10]
LED Display Drivers [4]
Color Sensors [4]
High Linearity Optocouplers [8]
MOSFET Output Optocouplers [5]
RF Receiver, Transmitter, and Transceiver Finished Units [1]
Transistor Output Optocouplers [167]
Ultrasonic Receivers, Transmitters [3]
Laser Drivers [4]
FETs, MOSFETs [2977]
Multifunction [1]
Triac & SCR Output Optocouplers [35]
Force Sensors - Industrial [2]
Photodiode Output Optocouplers [1]
Analog and Digital Output [73]
Current & Power Monitors & Regulators [2]
Particle, Dust Sensors [2]
Power Factor Correction - PFC [2]
White LED Lighting [2]
LED Indication - Discrete [30]
Switches (Solid State) [65]
Wireless Charging ICs [2]
Clock Drivers & Distribution [3]
Discrete Semiconductor Modules [734]
Fiber Optic Transceiver Modules [19]
CPLD - Complex Programmable Logic Devices [1]
RF Amplifiers [50]
Analog & Digital Crosspoint ICs [2]
RF Antennas [10]
Digital Signal Processors & Controllers - DSP, DSC [5]
RS-485 Interface IC [26]
Hard Metric Connectors [20]
LIN Transceivers [10]
LVDS Interface IC [2]
RF Connectors / Coaxial Connectors [40]
FPGA - Configuration Memory [1]
Sensor Interface [5]
High Speed / Modular Connectors [22]
I/O Controller Interface IC [12]
RF Diodes [57]
RS-422 Interface IC [9]
Microprocessors - MPU [6]
UART Interface IC [4]
Systems on a Chip - SoC [1]
Digital Potentiometer ICs [48]
Modulator / Demodulator [1]
RF Transmitter [3]
Equalizers [2]
Phase Detectors / Shifters [4]
MEMS Microphones [2]
RF Wireless Misc [2]
Microphones [14]
Light to Digital Converters [1]
Board Mount Pressure Sensors [47]
Up-Down Converters [1]
Display Interface IC [1]
RF System on a Chip - SoC [2]
Board Mount Current Sensors [2]
Bus Transceivers [12]
Industrial Pressure Sensors [1]
Counter Shift Registers [17]
Board Mount Hall Effect / Magnetic Sensors [10]
Logic Gates [14]
Board Mount Humidity Sensors [19]
Translation - Voltage Levels [57]
Board Mount Motion & Position Sensors [25]
Encoders, Decoders, Multiplexers & Demultiplexers [83]
Flip Flops [20]
Board Mount Temperature Sensors [3]
Bus Receivers [1]
Analog Switch ICs [53]
PCI Express / PCI Connectors [14]
D-Sub High Density Connectors [335]
Power Switch ICs - POE / LAN [11]
D-Sub Backshells [1]
USB Switch ICs [4]
D-Sub Tools & Hardware [3]
Digital Bus Switch ICs [11]
Memory Card Connectors [43]
Power Switch ICs - Power Distribution [349]
D-Sub Standard Connectors [1]
FFC & FPC Connectors [131]
Multiplexer Switch ICs [101]
Switch ICs - Various [8]
RF Front End [27]
Industrial Temperature Sensors [2]
RF Transceiver [7]
RF Mixer [9]
RF Receiver [49]
RFID Transponders [1]
Surface Mount Fuses [155]
RF Amplifier [190]
HDMI, Displayport & DVI Connectors [8]
Heavy Duty Power Connectors [2]
DIN 41612 Connectors [1]
RF Switch ICs [101]
Attenuators [25]
Image Sensors, Camera [10]
PTC Thermistors [7]
MOSFET [853]
Photo Detectors - Remote Receiver [16]
Accelerometers [34]
Single Zener Diodes [183]
Photodiodes [20]
Single Diodes [789]
Photointerrupters - Slot Type - Transistor Output [43]
Single FETs, MOSFETs [860]
Ambient Light, IR, UV Sensors [34]
Diode Arrays [182]
Linear, Compass (ICs) [41]
JFETs [12]
Photointerrupters - Slot Type - Logic Output [21]
Variable Capacitance (Varicaps, Varactors) [23]
Phototransistors [15]
IMUs (Inertial Measurement Units) [37]
Reflective - Analog Output [22]
Distance Measuring [9]
Inrush Current Limiters [2]
FPGA - Field Programmable Gate Array [235]
Thermostats - Solid State [3]
DIACs, SIDACs [2]
Gyroscopes [9]
Special Purpose [1]
Reflective - Logic Output [6]
Tilt Switches [1]
Rectifiers [22]
SCRs - Modules [21]
RTD (Resistance Temperature Detector) [5]
Optical Motion Sensors [5]
Position, Proximity, Speed (Modules) - Industrial [4]
Inclinometers [4]
Compass, Magnetic Field (Modules) [5]
Photo Detectors - Logic Output [1]
Photoelectric, Industrial [1]
NTC Thermistors [40]

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SI4721-B20-GM

Category : RF and Wireless RF Transceiver ICs

Digi-Key Programmable : Not Verified

Serial Interfaces : I²S, SPI

Operating Temperature : -40°C ~ 95°C

Memory Size : -

Package / Case : 20-UFQFN Exposed Pad

GPIO : 3

Type : TxRx Only

Current - Transmitting : 18.3mA ~ 18.8mA

Current - Receiving : 16.8mA ~ 19.8mA

Modulation : -

Package : Tray

RF Family/Standard : VHF

Data Rate (Max) : -

Product Status : Obsolete

Protocol : FM Radio

Mounting Type : Surface Mount

Series : -

Sensitivity : -

Supplier Device Package : 20-QFN (3x3)

Mfr : Skyworks Solutions Inc.

Frequency : 76MHz ~ 108MHz

Voltage - Supply : 2.7V ~ 5.5V

Power - Output : -

Base Product Number : SI4721

Description : IC RF TXRX VHF 20UFQFN

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IC RF TxRx Only VHF FM Radio 76MHz ~ 108MHz 20-UFQFN Exposed Pad

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