參數(shù)資料
型號： QS7785CF
廠商： QSound Labs, Inc.
英文描述： 3D audio processor IC(3D 音效處理IC)
中文描述： 3D音頻處理器IC（集成電路三維音效處理）
文件頁數(shù)： 4/10頁
文件大?。?/td> 1083K
代理商： QS7785CF
Ref: QS7785R1.DOC
Rev: 1.00
QS7785 Data Sheet -- Preliminary
QSound Labs, Inc.
Date: 06/11/99
Page 4 of 10
QS7785CF/QS7785PF
QSound Multi-Speaker System
Device Specifications - Preliminary Information
Electrical Specification:
Absolute Maximum Ratings
Parameter
Symbol
V
ANA
V
DIG
V
IANA
V
IDIG
P
D
Tstg
T
SLD
t
SLD
Rating
Unit
V
V
V
V
mW
°
C
°
C
Sec
Supply voltage range (analog)
Supply voltage range (digital)
Input voltage range (analog)
Input voltage range (digital)
Power dissipation
Storage temperature range
Soldering temperature
Soldering time
Recommended Operating Condition
Parameter
Operating voltage (analog)
Operating voltage (digital)
Operating temperature range
Electrical Chracteristics
Parameter
Input voltage
Analog input impedance1
Analog input impedance2
Reference voltage out
HIGH level input voltage
LOW level input voltage
HIGH level input current
LOW level input current
SCL width HIGH
SCL width LOW
Set-up time, SDA to SCL
Hold time, SCL to SDA
Set-up time, SCL to STRB
STRB width HIGH
Hold time, SDA to SCL
Set-up time, SCL to SDA
Hold time, SCL to SDA
Set-up time, SDA to SCL
SCL width HIGH
SCL width LOW
SCL rise time
SCL fall time
Operating current (analog)
Operating current (digital)
Standby current (analog)
Standby current (digital)
Signal to Noise Ratio
Frequency Response
Total Harmonic Distortion
Total Harmonic Distortion
-0.3 to 15, and V
ANA
>V
DIG
-0.3
-0.3 to 7
-0.3 to V
ANA
+0.3
-0.3 to V
DIG
+0.3
-40 to 125
255
10
Symbol
V
ANA
V
DIG
T
OPR
Limits
Unit
V
V
°
C
5 to 13 and V
ANA
≥
V
DIG
4.5 to 5.5
0 to 70
(V
ANA
=9V,V
DIG
=5V TA=25
°
C unless otherwise noted)
Limits/min
Limits/typ
Symbol
V
IN1
Z
AIN1
Z
AIN2
V
REFOUT
V
IH
V
IL
I
IH
I
IL
t
1
t
2
t
3
t
4
t
5
t
6
t
HD;STA
t
SU;STA
t
HD;DAT
t
SU;DAT
t
HIGH
t
LOW
t
R
t
F
I
ANA
I
DIG
I
ANASAVE
I
DIGSAVE
S/N
F
THD
F
THD
R
Condition
Limits/max
1.1
Unit
V
RMS
k
k
V
V
V
μ
A
μ
A
μ
S
μ
S
nS
μ
S
n
S
μ
S
μ
S
μ
S
μ
S
nS
μ
S
μ
S
nS
nS
mA
mA
mA
mA
dB
Hz
%
%
L
IN
, R
IN
C
IN
20
10
V
ANA
/2
2.4
0.5
V
IN
=V
CC
V
IN
=GND
4.0
4.7
250
5.0
250
5.0
4.0
4.0
5.0
250
4.0
4.7
1000
300
10
0.3
0.1
0.035
96
20
20k
FLIN, SPREAD=HIGH, NO CLIPPING
RLIN, Q1=ON, NO CLIPPING
0.025
0.025
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