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參數(shù)資料
| 型號： | TDA7419TR |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | 3 BAND CAR AUDIO PROCESSOR |
| 中文描述： | 3波段車載音頻處理器 |
| 文件頁數(shù)： | 5/30頁 |
| 文件大?。?/td> | 804K |
| 代理商： | TDA7419TR |
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TDA7419
4
ELECTRICAL CHARACTERISTICS
Table 6. Electrical Characteristcs
V
S
= 8.5V; T
amb
= 25°C; R
L
= 10k
; all gains = 0dB; f = 1kHz; unless otherwise specified
Symbol
SUPPLY
Vs
Parameter
Test Condition
Min.
Typ.
Max.
Unit
Supply Voltage
8
8.5
10
V
I
S
Supply Current
27
37
47
mA
INPUT SELECTOR
R
in
V
CL
Input Resistance
All single ended inputs
70
100
130
k
Clipping level
All Input
1.8
2
V
RMS
V
RMS
dB
QD input
1.7
2
S
IN
Input Separation
80
100
G
IN MIN
G
IN MAX
G
STEP
V
DC
Min. Input Gain
-1
0
1
dB
Max. Input Gain
13
15
17
dB
Step Resolution
0.5
1
1.5
dB
DC Steps
Adjacent Gain Steps
G
MIN
to G
MAX
-5
-20
1
4
5
mV
mV
20
V
offset
DIFFERENTIAL STEREO INPUTS
R
in
Input Resistance
CMRR
Common Mode Rejection Ratio
Remaining offset with AutoZero
0.5
mV
Differential
70
100
130
K
V
CM
=1 VRMS@ 1kHz
V
CM
=1 VRMS@ 10kHz
20Hz-20kHz,flat;all stages 0dB
46
70
dB
46
60
dB
μ
V
e
No
Output Noise @ Speaker Outputs
MIXING CONTROL
M
LEVEL
Mixing Ratio
G
MAX
Max Gain
A
MAX
Max Attenuation
A
STEP
Step Resolution
LOUDNESS CONTROL
A
MAX
Max Attenuation
A
STEP
Step Resolution
f
Peak
Peak Frequency
12
Main / Mix Source
-6/-6
dB
13
15
17
dB
-83
-79
-75
dB
0.5
1
1.5
dB
-17
-15
-13
dB
0.5
1
1.5
dB
f
P1
f
P2
f
P3
360
400
440
Hz
720
800
880
Hz
2200
2400
2600
Hz
VOLUME CONTROL
G
MAX
A
MAX
A
STEP
E
A
Max Gain
13
15
17
dB
Max Attenuation
-83
-79
-75
dB
Step Resolution
0.5
1
1.5
dB
Attenuation Set Error
G = -20 to +20dB
G = -79 to -20dB
-0.75
-4
0
0
+0.75
3
2
dB
dB
dB
E
T
V
DC
Tracking Error
DC Steps
Adjacent Attenuation Steps
-3
0.1
3
mV
From 0dB to G
MIN
-5
0.5
5
mV
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| TDA7420 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:MULTIFUNCTIONAUDIO PROCESSOR |
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