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參數(shù)資料
| 型號： | TDA7468D |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 音頻控制 |
| 英文描述： | 2 CHANNEL(S), TONE CONTROL CIRCUIT, PDSO28 |
| 封裝： | SO-28 |
| 文件頁數(shù)： | 19/23頁 |
| 文件大?。?/td> | 249K |
| 代理商： | TDA7468D |
5/23
TDA7468
BASS CONTROL
Gb
Control Range
Max. Boost/cut
±12.0
±14.0
±16.0
dB
BSTEP
Step Resolution
1
2
3
dB
RB
Internal Feedback Resistance
33
44
55
K
BASS ALC CONTROL
Rattack1
Attack Time Resistor 1
12.5
K
Rattack2
Attack Time Resistor 2
25
K
Rattack3
Attack Time Resistor 3
50
K
Rattack4
Attack Time Resistor 4
100
K
Thresh1
Threshold 1
700
mVrms
Thresh2
Threshold 2
485
mVrms
Thresh3
Threshold 3
320
mVrms
Thresh4
Threshold 4
170
mVrms
TREBLE CONTROL
Gt
Control Range
Max. Boost/cut
+13.0
+14.0
+15.0
dB
TSTEP
Step Resolution
1
2
3
dB
Rt
Internal Resistance
25
K
AUDIO OUTPUTS
VOCL
Clipping Level
THD = 0.3%
2
2.5
Vrms
RL
Output Load Resistance
2
K
VOUT
DC Voltage Level
4.5
V
GENERAL
ENO
Output Noise
BW = 20Hz to 20KHz;
All gains 0dB;
output muted
5
V
flat
10
15
V
S/N
Signal to Noise Ratio
All gains 0dB
; VO = 1Vrms ;
100
dB
SC
Channel Separation Left/Right
90
dB
dDistortion
AV = 0; VI = 0.1Vrms ;
0.1
%
AV = 0; VI = 1Vrms ;
0.01
%
SC
Channel Separation left/right
90
dB
Total Tracking Error
0
1
dB
BUS INPUT
VIL
Input Low Voltage
1V
VIH
Input High Voltage
2.5
V
IIN
Input Current
VIN = 0.4V
-5
5
A
VO
Output Voltage (ACK)
IO = 1.6mA
0.4
0.8
V
ELECTRICAL CHARACTERISTICS (continua)
(refer to the test circuit Tamb = 25°C, VS = 9V, f = 1KHz all controls flat (G = 0dB), unless otherwise
specified)
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
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