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TDA7464 데이터 시트보기 (PDF) - STMicroelectronics
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TDA7464
DIGITALLY CONTROLLED AUDIO PROCESSOR WITH SRS SURROUND SOUND AND VOICE CANCELLER
STMicroelectronics
TDA7464 Datasheet PDF : 21 Pages
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TDA7464
ELECTRICAL CHARACTERISTICS
(continued)
Symbol
Parameter
Test Condition
SPEAKER & RECORD ATTENUATORS
C
range
Control Range
S
STEP
Step Resolution
E
A
Attenuation set error
V
DC
A
MUTE
R
VAR
DC Steps
Output Mute Condition
Input Impedance
Av = 0 to -20dB
Av = -20 to -79dB
Adjacent att. steps
SPEAKER ATTENUATORS
V
TH
Zero CrossingThreshold
D7 = 0
AUDIO OUTPUTS
N
O(OFF)
Output Noise (OFF)
N
O(MOV)
N
O(MUS)
N
O(SIM)
N
O(SRS)
d
S
C
V
OCL
R
OUT
V
OUT
Output Noise (Movie) Standard
Surround Sound
Output Noise (Music) Standard
Surround Sound
Output Noise (Simulated)
Standard Surround Sound
Output Noise (SRS)
Surround Sound
Distorsion
Channel Separation
Clipping Level
Output Resistance
DC Voltage Level
BUS INPUTS
V
IL
Input Low Voltage
V
IH
Input High Voltage
I
IN
Input Current
V
O
Output Voltage SDA
Acknowledge
Output Mute, Flat
B
W
= 20Hz to 20KHz
Mode = Movie ,
B
W
= 20Hz to 20KHz
Mode = Music ,
B
W
= 20Hz to 20KHz,
Mode = Simulated,
B
W
= 20Hz to 20KHz
B
W
= 20Hz to 20KHz
Av = 0 ; V
in
= 1Vrms
d = 0.3%
I
O
= 1.6mA
Min. Typ. Max. Unit
79
dB
0.5
1
1.5
dB
-1.5
0
1.5
dB
-3
0
2
dB
-3
0
3
mV
70
100
dB
22.5
30
37.5 K
Ω
V
S
2
+
20
mV
4
µ
Vrms
5
µ
Vrms
30
µ
Vrms
30
µ
Vrms
30
µ
Vrms
50
µ
Vrms
0.01 0.1
%
70
90
dB
2
2.5
Vrms
10
30
50
Ω
3.8
V
1
V
3
V
-5
+5
µ
A
0.4
V
6/21
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