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參數(shù)資料
| 型號： | TDA7409D |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 音頻控制 |
| 英文描述： | 1 CHANNEL(S), TONE CONTROL CIRCUIT, PDSO20 |
| 封裝： | SOP-20 |
| 文件頁數(shù)： | 20/25頁 |
| 文件大?。?/td> | 299K |
| 代理商： | TDA7409D |
TDA7409
4/25
ELECTRICAL CHARACTERISTICS (VS =9V; TAMB=25 ;RL=10k; all gains = 0dB; f = 1kHz; unless otherwise
specified)
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
INPUT SELECTOR
Rin
Input Resistance
all single ended Inputs
70
100
130
k
VCL
Clipping Level
2.20
2.60
VRMS
SIN
Input Separation
80
100
dB
GIN MIN
Min. Input Gain
-1
0
1
dB
GIN MAX
Max. Input Gain
18
20
22
dB
GSTEP
Step Resolution
0.5
1
1.5
dB
VDC
DC Steps
Adjacent Gain Steps
-5
1
5
mV
GMIN to GMAX
-10
5
10
mV
Voffset
Remaining offset with AutoZero
0.5
mV
BEEP CONTROL
VRMS
Beep Level
250
350
500
mV
fB
Beep Frequency
fB1
740
781
820
Hz
fB2
1.48
1.56
1.64
kHz
fB3
1.7
1.8
1.9
kHz
MIXING CONTROL
MLEVEL
Mixing Level
Main / Mix-Source
0/00
dB
Main / Mix-Source
-0.5/-
10.6
-3.5/-
9.6
-2.5/-
8.6
dB
Main / Mix-Source
-5/-5
-6/-6
-7/-7
dB
Main / Mix-Source
-11/-
1.5
-12/-
2.5
-13/-
3.5
dB
VOLUME CONTROL
GMAX
Max. Gain
28
30
32
dB
AMAX
Max. Attenuation
-83
-79
-75
dB
ASTEP
Step Resolution
0.5
1
1.5
dB
EA
Attenuation Set Error
G = -20 to +20dB
-1
0
1
dB
G = -80 to -20dB
-4
0
3
dB
ET
Tracking Error
2dB
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