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參數資料
| 型號： | QS7785CF |
| 廠商： | Seiko NPC Corporation |
| 英文描述： | 3D 2/4-Channel Stereo Surround Synthesizer |
| 中文描述： | 三維環(huán)繞立體聲合成2/4-Channel |
| 文件頁數： | 5/15頁 |
| 文件大?。?/td> | 185K |
| 代理商： | QS7785CF |
QS7785PF/CF
NIPPON PRECISION CIRCUITS—5
DC Characteristics
V
CC
= 9V, V
DD
= 5V, GND = 0V, Ta = 25
°
C
Noise and THD Characteristics
V
CC
= 9V, V
DD
= 5V, GND = 0V, Ta = 25
°
C
Parameter
Symbol
Condition
Rating
Unit
min
typ
max
Analog input impedance
Z
AIN1
LIN, RIN
16
20
24
k
Z
AIN2
CIN
8
10
12
Reference voltage output
V
REFOUT
–
V
CC
/2
–
V
HIGH-level input voltage
V
IH
0.7V
DD
–
–
V
LOW-level input voltage
V
IL
–
–
0.3V
DD
V
Input leakage current
I
LEAK
Digital inputs, V
DD
input voltage
3
–
3
μA
I
ILOPD
SDA, SCL, 10V input voltage
3
–
3
LOW-level output voltage
V
OL
ACK signal output from SDA, 3mA sink
current
0
–
0.4
V
Supply voltage (analog)
V
CC
5
–
13
V
Supply voltage (digital)
V
DD
4.5
–
5.5
V
Current consumption (analog)
I
CC
–
6
8
mA
Current consumption (digital)
I
DD
–
0.3
0.5
mA
Standby current (analog)
I
CCSAVE
–
0.1
0.2
mA
Parameter
Symbol
Condition
Rating
Unit
min
typ
max
Bypass noise voltage
N
BYP
BYP = HIGH, SUR = MONO = SP = LOW
“A”-wgt, FLOUT FROUT
–
10
20
μV
RMS
Qsurround noise voltage (front)
N
QSF
SUR = SP = HIGH, BYP = MONO = LOW
“A”-wgt, FLOUT FROUT
–
20
40
μV
RMS
Qsurround noise voltage (surround)
N
QSR
SUR = SP = HIGH, BYP = MONO = LOW
“A”-wgt, SLOUT SROUT
–
15
30
μV
RMS
Bypass total harmonic distortion
THD
B
BYP = SUR = HIGH, MONO = SP = LOW
LIN = RIN = 1V
RMS
, f = 1kHz, FLOUT
FROUT SLOUT SROUT
–
–
0.1
%
Qsurround mono total harmonic
distortion
THD
QM
BYP = LOW SUR = MONO = SP = HIGH,
LIN = RIN = 1V
RMS
, f = 1kHz, FLOUT
FROUT SLOUT SROUT
–
–
0.1
%
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