SI4765-A10-AM RF/IF and RFID

Current - Receiving:	130mA
Supplier Device Package:	40-QFN (6x6)
Package / Case:	40-VFQFN Exposed Pad
Operating Temperature:	-40°C ~ 85°C
Voltage - Supply:	1.5 V ~ 5 V
Features:	--
Antenna Connector:	PCB, Surface Mount
Memory Size:	--
Data Interface:	PCB, Surface Mount
Series:	--
Applications:	Automotive Audio
Modulation or Protocol:	AM, FM, RDS
Data Rate (Max):	--
Sensitivity:	--
Frequency:	520kHz ~ 1.71MHz, 64MHz ~ 108MHz
Part Status:	Obsolete
Packaging:	Tray

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RF Receivers

The SI4765-A10-AM is an Integrated Digital Radio Broadcast Receiver which is designed for application in Radio Data System (RDS) and Radio Broadcast Data System (RBDS) products. This device integrates a low power CMOS radio receiver, a low power, low cost audio decoder, and an RDS/RBDS processing core which implements the RDS/RBDS protocol. This package also contains a low power 8-bit microcontroller system which provides an interface for advanced features such as Traffic Information Delivery System (TIDS), Clock Synchronization, Priority-Switching, and Reprogrammable Software Feature. The SI4765-A10-AM is a highly integrated solution that reduces the system cost, board space, and power dissipation compared to discrete solutions.

The RDS/RBDS system architecture of SI4765-A10-AM comprises of several blocks as shown below. These include an analog radio receiver, a digital signal processor (DSP), an embedded microcontroller, and a microcontroller interface to the external host. The analog radio receiver includes an RF band-pass filter and an RF amplifier to amplify the incoming radio signal to the requisite signal level. The amplified signal is then down-converted and processed by the DSP to extract the digitized audio signal. The DSP along with the embedded microcontroller together performs the RDS/RBDS protocol decoding, data validation, etc. The microcontroller interface to the external host enables applications such as TIDS, Clock Synchronization, Priority-Switching, and Reprogrammable Software Features.

The SI4765-A10-AM is widely used in applications such as consumer radio receivers, automotive and portable audio, smart radios, RDS/RBDS clock synchronizers, automotive navigation systems, traffic information broadcasts, and audio broadcast receivers. It is also used in radio control systems, audio alert systems, and broadcast applications. The device supports various broadcast standards such as DAB, HD radio, DAB+, and FM DAB. This device is capable of providing various types of audio data such as stereo, mono, analog, and AC97 compatible digital audio. It also offers various features such as surround sound, loudness adjustment, equalizer, mute control, and audio level control. Furthermore, the device also supports peripherals such as head phone and speaker drives. This provides enhanced audio quality for the user.

The SI4765-A10-AM is a highly power-efficient device that supports low current operation for extended operation on battery-powered applications. This device also provides a variety of interrupt flags to facilitate efficient power management by the host. The SI4765-A10-AM is ideal for consumer applications as its high degree of integration makes it ideal for space-constrained applications. The SI4765-A10-AM is widely used in various industries, particularly in automotive, consumer, and industrial applications.

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