TEA6846H/V2,557

Current - Receiving:	78mA
Supplier Device Package:	80-LQFP (12x12)
Package / Case:	80-LQFP
Operating Temperature:	-40°C ~ 85°C
Voltage - Supply:	7.8 V ~ 9.2 V
Features:	--
Antenna Connector:	PCB, Surface Mount
Memory Size:	--
Data Interface:	PCB, Surface Mount
Series:	--
Applications:	AM/FM Radio Receiver
Modulation or Protocol:	AM, FM
Data Rate (Max):	--
Sensitivity:	--
Frequency:	AM, FM, WB
Part Status:	Obsolete
Packaging:	Tray

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TEA6846H/V2,557 RF Receivers are the latest wireless communication components and integrated circuits with built-in receivers. It is suitable for FM/AM car audio receivers and receivers and other accessories in the in-vehicle multimedia system. It is available for full range distance station recognition and providing excellent sound quality.TEA6846H/V2,557 RF Receivers is a highly integrated single-chip solution which including built-in Soundchip, FM/AM antennal interfaces, tuner, digital demodulator, digital baseband, audio frequency processing, and PI for supporting the automatic gain control, the IF filter, and the analog volume control. The receiving and output functions are all designed in one chip and few external components needed.The TEA6846H/V2-- 557 RF Receiver is mainly used for receiving as well as transmitting FM/AM signals. It has two main receiver functions. The first is the FM receiver. The center frequency of the IF amplifier is 375KHz, the gain is 0.5 up to 52dB roughly, the noise figure is 3dB, and the adjacent channel rejection ratio is 54dB. The second is the AM receiver, and its center frequency is 537KHz, the gain is 2 up to 45dB roughly, the noise figure is 4dB and the adjacent channel rejection ratio can reach 38 dB.The working principle of TEA6846H/V2-- 557 RF Receivers is based on the principle of impedance matching. The internal amplifier, tuner and transmitter modules form an impedance-balancing network, which controls the transmission and reception of radio frequency signals. This tuner is designed to be very sensitive to digital signal interference. The signal strength required is only about 1/1000 of the normal signal strength, which gives the device a more than 3dB noise margin.Apart from the reception of analog signals, the TEA6846H/V2-- 557 RF Receiver also provide perfect digital processing functions. For example, the built-in Soundchip provides sound effects such as treble, bass, balance, and loudness. It is also equipped with IF filter module to filter out interferences and reduce the noise figure. Moreover, there is a built-in PI module for supporting AGC( automatically gain control), which will continuously adjust the gain control of the receiver to ensure the best signal to noise ratio.In terms of output, the TEA6846H/V2-- 557 RF Receiver is able to output 2-channel analog audio signal and provide PWM ( pulse width modulated) signal. It also supports other digital outputs such as Bluetooth module and analog output ports. In conclusion, TEA6846H/V2-- 557 RF Receiver is a highly integrated single-chip solution with built-in receivers and digital baseband designs. It is perfect for FM/AM car audio receivers and receivers and other accessories in the in-vehicle multimedia system. With cleverly designed architecture, built-in PI, IF filter, soundchip, tuner, and demodulator, the TEA6846H/V2-- 557 RF Receiver is able to not only provide superb sound effect but also effective transmission of radio frequency signal, and achieve a higher signal-to-noise ratio.

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