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Part Name
Description
TDA7409 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
Manufacturer
TDA7409
CARRADIO-SIGNAL-PROCESSOR
STMicroelectronics
TDA7409 Datasheet PDF : 25 Pages
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TDA7409
ELECTRICAL CHARACTERISTICS
(V
S
=9V; T
AMB
=25 ;R
L
=10k
Ω
; all gains = 0dB; f = 1kHz; unless otherwise
specified)
Symbol
Parameter
Test Conditions
Min. Typ. Max. Unit
INPUT SELECTOR
R
in
Input Resistance
all single ended Inputs
70
100 130
k
Ω
V
CL
Clipping Level
2.20 2.60
V
RMS
S
IN
Input Separation
80
100
dB
G
IN MIN
Min. Input Gain
-1
0
1
dB
G
IN MAX
Max. Input Gain
18
20
22
dB
G
STEP
Step Resolution
0.5
1
1.5
dB
V
DC
DC Steps
Adjacent Gain Steps
G
MIN
to G
MAX
-5
1
5
mV
-10
5
10
mV
V
offset
Remaining offset with AutoZero
0.5
mV
BEEP CONTROL
V
RMS
Beep Level
250 350 500 mV
f
B
Beep Frequency
f
B1
740 781 820
Hz
f
B2
1.48 1.56 1.64 kHz
f
B3
1.7
1.8
1.9
kHz
MIXING CONTROL
M
LEVEL
Mixing Level
Main / Mix-Source
Main / Mix-Source
0/00
dB
-0.5/- -3.5/- -2.5/- dB
10.6 9.6
8.6
Main / Mix-Source
-5/-5 -6/-6 -7/-7 dB
Main / Mix-Source
-11/- -12/- -13/- dB
1.5
2.5
3.5
VOLUME CONTROL
G
MAX
Max. Gain
28
30
32
dB
A
MAX
Max. Attenuation
-83
-79
-75
dB
A
STEP
Step Resolution
0.5
1
1.5
dB
E
A
Attenuation Set Error
G = -20 to +20dB
-1
0
1
dB
G = -80 to -20dB
-4
0
3
dB
E
T
Tracking Error
2
dB
4/25
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