參數(shù)資料
型號: TDA7403
廠商: 意法半導(dǎo)體
英文描述: BASIC SIGNAL PROCESSOR
中文描述: 基本信號處理器
文件頁數(shù): 5/26頁
文件大?。?/td> 195K
代理商: TDA7403
ELECTRICALCHARACTERISTICS
(continued)
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
VOLUMECONTROL
G
MAX
A
MAX
A
STEP
E
A
Max Gain
Max Attenuation
Step Resolution
Attenuation Set Error
20
79
1
0
0
dB
dB
dB
dB
dB
dB
mV
mV
G = -20 to 20dB
G = -60 to 20dB
-1.25
-4
1.25
3
2
3
5
E
T
V
DC
Tracking Error
DC Steps
Adjacent Attenuation Steps
From 0dB to G
MIN
0.1
0.5
LOUDNESSCONTROL
A
STEP
A
MAX
f
CMIN
f
CMAX
Step Resolution
Max. Attenuation
Lower Center Frequency
Higher Center Frequency
1
15
200
400
dB
dB
Hz
Hz
SOFTMUTE
A
MUTE
T
D
Mute Attenuation
Delay Time
70
100
0.48
0.96
40.4
324
dB
ms
ms
ms
ms
V
V
K
V
T1
T2
T3
T4
V
THlow
V
THhigh
R
PU
V
PU
Low Threshold for SM Pin
(1)
High Threshold for SM Pin
Internal Pull-up Resistor
Pull-up Voltage
1
2.5
70
100
4.7
130
SOFTSTEP
T
SW
Switch Time
10
ms
BASSCONTROL
C
RANGE
A
STEP
f
C
Control Range
Step Resolution
Center Frequency
±
14
2
60
70
80
100
(2)
1
1.25
1.5
2
0
4.4
dB
dB
Hz
Hz
Hz
Hz
f
C1
f
C2
f
C3
f
C4
Q
1
Q
2
Q
3
Q
4
DC = off
DC = on
Q
BASS
Quality Factor
DC
GAIN
Bass-Dc-Gain
dB
dB
1) SM pinis active low (mute condition)
2) See description of Audioprocessor Part - Bass & Treble filter characteristics programming
TDA7403
5/26
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