Manufacturer Part Number
SI4708-B-GMR
Manufacturer
Skyworks Solutions, Inc.
Introduction
The SI4708-B-GMR is a high-performance, low-power FM radio receiver integrated circuit (IC) designed for a wide range of applications.
Product Features and Performance
Operates in the FM broadcast band of 76MHz to 108MHz
Low current consumption of 16mA during reception
Supports a wide supply voltage range of 2.7V to 5.5V
Integrated low-noise amplifier (LNA), mixer, and baseband circuitry
Highly sensitive receiver with excellent selectivity and image rejection
Automatic Gain Control (AGC) and Received Signal Strength Indicator (RSSI) functions
Integrated deemphasis filter and audio amplifier
Supports various audio output modes including mono, stereo, and dual mono
Product Advantages
Compact 16-QFN (2.5x2.5mm) package with exposed pad for improved thermal performance
Suitable for a wide range of applications, from portable electronics to automotive infotainment systems
Low power consumption enables extended battery life in portable devices
High performance and integration simplifies design and reduces external component count
Key Technical Parameters
Frequency Range: 76MHz to 108MHz
Supply Voltage: 2.7V to 5.5V
Current Consumption (Receive Mode): 16mA
Operating Temperature Range: -20°C to 85°C
Package: 16-QFN (2.5x2.5mm) with exposed pad
Quality and Safety Features
Meets industrial-grade quality and reliability standards
RoHS-compliant and lead-free package
Compatibility
Suitable for a wide range of applications, including portable electronics, automotive infotainment systems, and general-purpose FM radio designs
Application Areas
Portable electronics (e.g., smartphones, tablets, personal audio players)
Automotive infotainment systems
General-purpose FM radio designs
Product Lifecycle
The SI4708-B-GMR is an actively supported product, with no plans for discontinuation in the near future.
Replacement or upgrade options are available from Skyworks Solutions, Inc., as the manufacturer continues to innovate and release new generations of FM receiver ICs.
Key Reasons to Choose This Product
High performance and low power consumption for extended battery life in portable devices
Compact and integrated package design simplifies circuit board layout and reduces external component count
Versatile and suitable for a wide range of applications, from consumer electronics to automotive systems
Robust quality and reliability, backed by Skyworks Solutions, Inc., a leading provider of analog semiconductors
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