QS7785 NPC [Nippon Precision Circuits Inc], QS7785 Datasheet - Page 5

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

DC Characteristics
V
Noise and THD Characteristics
V
Analog input impedance
Reference voltage output
HIGH-level input voltage
LOW-level input voltage
Input leakage current
LOW-level output voltage
Supply voltage (analog)
Supply voltage (digital)
Current consumption (analog)
Current consumption (digital)
Standby current (analog)
Bypass noise voltage
Qsurround noise voltage (front)
Qsurround noise voltage (surround)
Bypass total harmonic distortion
Qsurround mono total harmonic
distortion
CC
CC
= 9V, V
= 9V, V
Parameter
Parameter
DD
DD
= 5V, GND = 0V, Ta = 25 ° C
= 5V, GND = 0V, Ta = 25 ° C
V
Symbol
I
Symbol
THD
CCSAVE
I
REFOUT
THD
Z
Z
I
N
N
N
ILOPD
V
V
LEAK
V
V
V
I
I
AIN1
AIN2
QSR
CC
DD
BYP
QSF
OL
CC
DD
IH
IL
QM
B
LIN, RIN
CIN
Digital inputs, V
SDA, SCL, 10V input voltage
ACK signal output from SDA, 3mA sink
current
BYP = HIGH, SUR = MONO = SP = LOW,
“A”-wgt, FLOUT, FROUT
SUR = SP = HIGH, BYP = MONO = LOW,
“A”-wgt, FLOUT, FROUT
SUR = SP = HIGH, BYP = MONO = LOW,
“A”-wgt, SLOUT, SROUT
BYP = SUR = HIGH, MONO = SP = LOW,
LIN = RIN = 1V
FROUT, SLOUT, SROUT
BYP = LOW, SUR = MONO = SP = HIGH,
LIN = RIN = 1V
FROUT, SLOUT, SROUT
QS7785PF/CF
RMS
RMS
DD
Condition
Condition
input voltage
, f = 1kHz, FLOUT,
, f = 1kHz, FLOUT,
0.7V
min
min
4.5
− 3
− 3
16
8
–
–
0
5
–
–
–
–
–
–
–
–
NIPPON PRECISION CIRCUITS—5
DD
Rating
Rating
V
typ
typ
CC
0.3
0.1
20
10
10
20
15
–
–
–
–
–
–
–
6
–
–
/2
0.3V
max
max
0.4
5.5
0.5
0.2
0.1
0.1
24
12
13
20
40
30
–
–
3
3
8
DD
µV
µV
µV
Unit
Unit
mA
mA
mA
k Ω
µA
%
%
V
V
V
V
V
V
RMS
RMS
RMS