QS7785 NPC [Nippon Precision Circuits Inc], QS7785 Datasheet - Page 6

• Manufacturer Part Number: QS7785
• Description: 3D 2/4-Channel Stereo Surround Synthesizer
• Manufacturer: NPC [Nippon Precision Circuits Inc]

AC Characteristics
V
Bypass-mode maximum input voltage
Qsurround enhanced-mode
maximum input voltage
Qsurround-mode maximum input
voltage (surround speakers on)
Mono/stereo conversion enhanced
mode maximum input voltage
Mono/stereo conversion mode
maximum input voltage (surround
speakers on)
Bypass gain
Bypass gain (surround speakers on)
Qsurround mode gain
Qsurround mode crosstalk gain
Qsurround mode gain (surround)
Qsurround mode crosstalk gain
(surround)
Qsurround enhanced mode gain
Qsurround enhanced mode crosstalk
gain
Mono/stereo conversion mode left-
channel gain
Mono/stereo conversion mode right-
channel gain
Mono/stereo conversion enhanced
mode left-channel gain
Mono/stereo conversion enhanced
mode right-channel gain
Mono/stereo conversion mode
surround left-channel gain
Mono/stereo conversion mode
surround right-channel gain
SCL clock pulse period
SCL clock HIGH-level pulsewidth
SCL clock LOW-level pulsewidth
SDA setup time
SDA hold time
STRB setup time
STRB pulsewidth
STRB hold time
CC
= 9V, V
Parameter
DD
= 5V, GND = 0V, Ta = 25 ° C
Symbol
G
G
G
G
G
G
G
G
G
V
G
G
G
G
V
V
V
G
V
BYP1
BYP2
QXS
QX+
MR+
MSL
MSR
ML+
t
t
t
t
t
t
t
t
MS
Q+
QS
M+
QX
QS
MR
Q+
ML
0
1
2
3
4
5
6
7
B
Q
BYP = SUR = HIGH, MONO = SP = LOW,
LIN = RIN, f = 1kHz
BYP = MONO = SUR = LOW, SP = HIGH,
LIN = RIN, f = 1kHz
BYP = MONO = SP = LOW, SUR = HIGH,
LIN = RIN, f = 1kHz
BYP = SUR = LOW, MONO = SP = HIGH,
LIN = RIN, f = 1kHz
BYP = SP = LOW, MONO = SUR = HIGH,
LIN = RIN, f = 1kHz
BYP = HIGH, MONO = SUR = SP = LOW,
LIN to FLOUT, RIN to FROUT, f = 1kHz
BYP = SUR = HIGH, MONO = SP = LOW,
LIN to SLOUT, RIN to SROUT, f = 1kHz
BYP = MONO = SUR = SP = LOW, LIN to
FLOUT, RIN to FROUT, f = 1kHz
BYP = MONO = SUR = SP = LOW, LIN to
FROUT, RIN to FLOUT, f = 1kHz
BYP = MONO = SP = LOW, SUR = HIGH,
LIN to SLOUT, RIN to SROUT, f = 1kHz
BYP = MONO = SP = LOW, SUR = HIGH,
LIN to SROUT, RIN to SLOUT, f = 1kHz
BYP = MONO = SUR = LOW, SP = HIGH,
LIN to FLOUT, RIN to FROUT, f = 1kHz
BYP = MONO = SUR = LOW, SP = HIGH,
LIN to FROUT, RIN to FLOUT, f = 1kHz
BYP = SUR = SP = LOW, MONO = HIGH,
LIN = RIN, FLOUT, f = 1kHz
BYP = SUR = SP = LOW, MONO = HIGH,
LIN = RIN, FROUT, f = 1kHz
BYP = SUR = LOW, MONO = SP = HIGH,
LIN = RIN, FLOUT, f = 1kHz
BYP = SUR = LOW, MONO = SP = HIGH,
LIN = RIN, FROUT, f = 1kHz
BYP = SP = LOW, MONO = SUR = HIGH,
LIN = RIN, SLOUT, f = 1kHz
BYP = SP = LOW, MONO = SUR = HIGH,
LIN = RIN, SROUT, f = 1kHz
QS7785PF
QS7785PF
QS7785PF
QS7785PF
QS7785PF
QS7785PF
QS7785PF
QS7785PF
QS7785PF/CF
Condition
− 1.5
− 2.3
− 1.9
−3.8
− 1.6
min
100
100
1.7
1.8
1.3
0.8
0.8
3.9
4.7
1.3
2.6
3.6
2.4
3.3
− 2
−2
40
40
15
30
50
50
NIPPON PRECISION CIRCUITS—6
Rating
− 0.3
−1.8
typ
2.3
2.4
1.7
1.0
1.0
5.9
0.5
0.1
6.7
3.3
4.6
5.6
4.4
5.3
0.4
0
0
–
–
–
–
–
–
–
–
max
7.9
2.5
1.7
2.1
8.7
5.3
6.6
7.6
6.4
7.3
0.2
2.4
–
–
–
–
–
–
–
–
–
–
–
–
–
2
2
V
V
V
V
V
Unit
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
RMS
RMS
RMS
RMS
RMS
ns
ns
ns
ns
ns
ns
ns
ns