Name Number Parallel 1 2 3 4 5 6 7 8 SP 9 – 10 11 BYP 12 – SUR 13 – 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 BASS MUTE PSAVE VREFOUT NC VREFIN LPC CIN COUT SLOUT SROUT FLOUT FROUT QXBC4 QXBC3 QXBC2 QXBC1 VCC QXAC4 QXAC3 QXAC2 QXAC1 BASC1 SCL I I I I O – I I I O O O O O O I O I – O I O I I Serial clock signal input Bass boost mode .
a center signal output for clear listening of vocal and speech signals.
FEATURES
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Surround signal output for 2-channel front speakers Surround signal output for 4-channel front + surround speakers Center speaker output for voice signals Parallel and 2 serial interfaces for mode control supported
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• QS7785CF: I2C bus 2-wire serial interface (Data and Clock)
• QS7785PF: 3-wire serial interface (Data, Clock and Strobe) 5 to 13V analog supply 4.5 to 5.5V digital supply 48-pin QFP package
APPLICATIONS
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TV, radio and VCRs Car audio
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Multimedia products
PINOUT (Top view)
QS.
No. | Partie # | Fabricant | Description | Fiche Technique |
---|---|---|---|---|
1 | QS7785CF |
Nippon Precision Circuits Inc |
3D 2/4-Channel Stereo Surround Synthesizer | |
2 | QS7785PF |
Nippon Precision Circuits Inc |
3D 2/4-Channel Stereo Surround Synthesizer | |
3 | QS7779CM |
Nippon Precision Circuits Inc |
3D Stereo Enhancement and 3D Virtual Stereo Surround | |
4 | QS7779PM |
Nippon Precision Circuits Inc |
3D Stereo Enhancement and 3D Virtual Stereo Surround | |
5 | QS74FCT1280T |
Quality |
High Speed CMOS 9 Bit Parity Generator / Checker | |
6 | QS74FCT151T |
Quality |
(QS74FCT251T) High Speed CMOS 8 Bit Multiplexers | |
7 | QS74FCT161T |
Quality |
(QS74FCT163T) High Speed CMOS Synchronous Presettable 4 Bit Binary Counters | |
8 | QS74FCT16244T |
Quality |
High Speed CMOS 16 Bit Buffers / Line Drivers | |
9 | QS74FCT16245T |
Quality |
High Speed CMOS 16 Bit Bidirectional Transceivers | |
10 | QS74FCT16373T |
Quality |
High Speed CMOS 16 Bit Transparent Latches | |
11 | QS74FCT163T |
Quality |
(QS74FCT161T) High Speed CMOS Synchronous Presettable 4 Bit Binary Counters | |
12 | QS74FCT239T |
Quality |
High Speed CMOS Dual Binary 1of4 Decoders |