QS7777 データシートの表示（PDF） - Nippon Precision Circuits
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QS7777 Datasheet PDF : 11 Pages
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QS7777PF/CF
Noise and THD Characteristics
VCC = 9V, VDD = 5V, Ta = 25°C
Parameter
Bypass noise voltage
QSurround noise voltage (front)
QSurround noise voltage (rear)
QSurround mono total harmonic
distortion (front)
QSurround mono total harmonic
distortion (rear)
Symbol
Condition
Rating
Unit
min
typ
max
BYP = AR = AC = HIGH, MO = SPREAD =
N B Y P L O W , “A”-wgt, FLOUT, R L O U T, FRO U T,
–
R ROUT, COUT
11
22
µVRMS
N QSF
BYP = MO = SPREAD = LOW , AR = AC =
HIGH, “A”-wgt, FLOUT, FRO U T
–
16
32
µVRMS
N QSR
BYP = MO = SPREAD = LOW , AR = AC =
HIGH, “A”-wgt, RLOUT, RRO U T
–
14
28
µVRMS
MO = HIGH, all other excluding MO =
THDF LOW , all inputs 1VRMS, f = 1kHz, FRO U T,
–
FLOUT
–
0.1
%
MO = AR = AC = HIGH, BYP = SPREAD =
THDR AE = LOW , all inputs 1VRMS, f = 1kHz,
–
R R O U T, RLOUT, COUT
–
0.1
%
AC Characteristics
VCC = 9V, VDD = 5V, Ta = 25°C
Parameter
Symbol
Condition
Rating
min
typ
max
Front maximum input voltage 1
V FIN1
FLIN = FRIN, RLIN = RRIN = CIN = SUBIN
= 0V, BYP = LOW , f = 1kHz
1.4
–
–
Front maximum input voltage 2
V FIN2
FLIN = −FRIN, RLIN = RRIN = CIN =
SUBIN = 0V, BYP = LOW , f = 1kHz
0.5
–
–
Rear maximum input voltage 1
V RIN1
RLIN = RRIN, FLIN = FRIN = CIN = SUBIN
= 0V, BYP = LOW , AR = LOW , f = 1kHz
1.4
–
–
Rear maximum input voltage 2
RLIN = −RRIN, FLIN = FRIN = CIN =
V RIN2 SUBIN = 0V, BYP = LOW , AR = LOW ,
0.3
–
–
f = 1kHz
Center maximum input voltage
V CIN
FLIN = FRIN = RLIN = RRIN = SUBIN =
0 V, BYP = LOW , AC = LOW , f = 1kHz
1.7
–
–
Sub-woofer maximum input voltage
V SUBIN
FLIN = FRIN = RLIN = RRIN = CIN = 0V,
f = 1kHz
2.2
–
–
FIN to FOUT bypass gain
G FFBYP
BYP = HIGH, f = 1kHz, FLIN to FLOUT,
FRIN to FROUT
−2
0
2
RIN to ROUT bypass gain
G RRBYP
BYP = HIGH, AR = HIGH, f = 1kHz,
RLIN to RLOUT, RRIN to RRO U T
−2
0
2
RIN to FOUT bypass gain
G RFBYP
BYP = HIGH, AR = LOW , f = 1kHz,
RLIN to FLOUT, RRIN to FRO U T
−2
0
2
CIN to COUT gain
CIN to FOUT gain
G CC
AC = HIGH, f = 1kHz, CIN to COUT
G CF
A C = LOW , f = 1kHz, CIN to FLOUT,
CIN to FROUT
−2
0
2
−2.8
−0.8
1.2
SUBIN to FOUT gain
G SUBF
f = 1kHz, SUBIN to FLOUT, SUBIN to
FROUT
−8
−6
−4
FIN to FOUT gain
G FF
SPREAD = HIGH, BYP = LOW , f = 1kHz,
FLIN to FLOUT, FRIN to FRO U T
5.7
7.5
9.5
FIN to FOUT crosstalk gain
G FXF
SPREAD = HIGH, BYP = LOW , f = 1kHz,
FLIN to FROUT, FRIN to FLOUT
3.7
5.7
7.7
RIN to ROUT gain
G RR
BYP = LOW, AR = HIGH, f = 1kHz,
RLIN to RLOUT, RRIN to RRO U T
2.7
4.7
6.7
RIN to ROUT crosstalk gain
G RXR
BYP = LOW, AR = HIGH, f = 1kHz,
RLIN to RROUT, RRIN to RLOUT
−1.2
0.8
2.8
Unit
V RMS
V RMS
V RMS
V RMS
V RMS
V RMS
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
NIPPON PRECISION CIRCUITS—5
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