QS7785CF Nippon Precision Circuits Inc, QS7785CF Datasheet
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QS7785CF
Related parts for QS7785CF
QS7785CF Summary of contents
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... It also features a cen- ter signal output for clear listening of vocal and speech signals. • QS7785CF: I (Data and Clock) • QS7785PF: 3-wire serial interface (Data, Clock and Strobe 13V analog supply I 4 ...
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PACKAGE DIMENSIONS (Unit: mm) 7.00 0.20 9.00 0.20 0.50 0.19 0.05 BLOCK DIAGRAM 36 BASC1 37 RIN 38 LIN 39 BASC2 40 MSC6 41 MSC5 42 MSC4 43 MSC3 44 MSC2 45 MSC1 31 VCC To internal 19 VREFIN 6 ...
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... I Input mode control (HIGH: parallel, LOW: serial) I Enhancement control (HIGH: high spread, LOW: low spread) I Serial data strobe (not applicable to QS7785CF) I Mono-to-stereo convert select (HIGH: mono to stereo mode, LOW: normal mode) I Center output control (HIGH: center on, LOW: center off) I ...
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Name Number Parallel Serial 37 RIN 38 LIN 39 BASC2 40 MSC6 41 MSC5 42 MSC4 43 MSC3 44 MSC2 45 MSC1 46 QXCC1 47 QXCC2 48 QXCC3 SPECIFICATIONS Absolute Maximum Ratings GND = 0V Parameter Supply voltage range (analog) ...
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DC Characteristics = 5V, GND = 0V ° 9V Parameter Symbol Z Analog input impedance Z Reference voltage output V REFOUT HIGH-level input voltage V LOW-level input voltage V I LEAK ...
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AC Characteristics = 5V, GND = 0V ° 9V Parameter Symbol Bypass-mode maximum input voltage V Qsurround enhanced-mode V maximum input voltage Qsurround-mode maximum input V voltage (surround speakers on) Mono/stereo ...
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... Data signal. Sets mode settings. See “Operating Modes.” SCL Clock signal. Data is read on the rising edge. STRB Strobe signal. Mode switches occur on the rising edge of this signal 2-wire (QS7785CF) timing I C address is {AD6 − AD0} = {1011011} 2 SDA AD6 AD0 t ...
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FUNCTIONAL DESCRIPTION Operating Modes The QS7785PF/CF operating mode can be con- trolled over either a parallel interface (P/S = HIGH) or one of two serial interfaces (P/S = LOW). The Output mode No. Input signals 1 2 Stereo only 3 ...
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In output modes 9 to 11, the input stereo signal is output to the speakers without processing. The bypass function works for both stereo and mono input signals, and is used to listen to the original sig- nals. In mode ...
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Speaker Arrangement The QS7785PF/CF supports the following speaker arrangements. 37 RIN SROUT 24 38 LIN FROUT 26 CIN 21 Speakers COUT 22 FLOUT 25 SLOUT 23 Type A. Two front speakers in front and two surround speakers in rear 37 ...
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Center Control The center signal output on COUT is enabled when AC is HIGH. This section describes the output function whereby fixed frequency sound sources, such as vocal and speech signals, can be output on the center signal. As mentioned ...
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Bass Boost With a signal input connected to BASC1 and BASC2, a bass boost function can be implemented. When BASS is HIGH, resistors RA and RB and + RA=10k C:0.15µF Bass boost connection (Gb = 6dB Gain G ...
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TYPICAL APPLICATIONS Parallel Interface 10k 4.7µF 10k 10k 4.7µF 0.15µF 0.22µF 0.022µF 2700pF 0.082µF 0.012µF 1000pF 8200pF QXCC2 QXCC3 8200pF A capacitor for decoupling should be connected between supply and ground. QS7785PF/ 13V 0.01µF 0.01µF 3300pF 3300pF 10k ...
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Serial Interface QS7785PF 10k 10k 0.15µF 4.7µF RIN LIN 10k 10k 4.7µF 0.15µF 0.22µF 0.022µF 2700pF 0.082µF 0.012µF 1000pF 8200pF QXCC2 QXCC3 8200pF QS7785PF 10k 10k 0.15µF 4.7µF 10k 10k 4.7µF 0.15µF 0.22µF 0.022µF 2700pF 0.082µF 0.012µF 1000pF 8200pF QXCC2 ...
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... NIPPON PRECISION CIRCUITS INC. reserves the right to make changes to the products described in this data sheet in order to improve the design or performance and to supply the best possible products. Nippon Precision Circuits Inc. assumes no responsibility for the use of any circuits shown in this data sheet, conveys no license under any patent or other rights, and makes no claim that the circuits are free from patent infringement. Applications for any devices shown in this data sheet are for illustration only and Nippon Precision Circuits Inc. makes no claim or warranty that such applications will be suitable for the use specifi ...