參數(shù)資料
型號: TDA7407
廠商: 意法半導(dǎo)體
英文描述: ADVANCED CAR SIGNAL PROCESSOR
中文描述: 先進(jìn)的汽車信號處理器
文件頁數(shù): 4/30頁
文件大?。?/td> 470K
代理商: TDA7407
AUDIO PROCESSOR PART
Input Multiplexer
Quasi-differential CD and cassette stereo input
AM mono input
Phone differential input
Multiplexer signal after In-Gain available at
separate pins
Volume control
1dB attenuator
Max. gain 15dB
Max. attenuation 79dB
Bass Control
2nd order frequency response
Center frequency programmable in 4(5) steps
DC gain programmable
±
15 x 1dB steps
Mid Control
2nd order frequency response
Center frequency programmable in 4 steps
Q-factor programmable in 2 steps
±
15 x 1dB steps
Treble Control
2nd order frequency response
Center frequency programmable in 4 steps
±
15 x 1dB steps
Speaker Control
4 independent speaker controls in 1dB steps
max gain 15dB
max. attenuation 79dB
Mute Functions
Direct mute
Digitally controlled softmute with 4 programmable
mute time.
ELECTRICAL CHARACTERISTICS
(V
S
= 9V; T
amb
= 25°C; R
L
= 10K
; all gains = 0dB; f = 1KHz;
unless otherwise specified).
Symbol
INPUT SELECTOR
R
in
V
CL
S
IN
G
IN MIN
G
IN MAX
G
STEP
V
DC
Parameter
Test Condition
Min.
Typ.
Max.
Unit
Input Resistance
Clipping Level
Input Separation
Min. Input Gain
Max. Input Gain
Step Resolution
DC Steps
all inputs except Phone
70
2.2
80
-1
13
0.5
-5
-10
100
2.6
100
0
15
1
0.5
5
130
K
V
RMS
dB
dB
dB
dB
mV
mV
1
17
1.5
5
10
Adjacent Gain Step
G
MIN
to G
MAX
DIFFERENTIAL CD STEREO INPUT
R
in
Input Resistance
Differential
Common Mode
V
CM
= 1
VRMS
@ 1KHz
V
CM
= 1
VRMS
@ 10KHz
20Hz to 20KHz flat; all stages
0dB
70
70
45
45
100
100
70
60
6
130
130
K
K
dB
dB
μ
V
CMRR
Common Mode Rejection Ratio
e
N
Output Noise @ Speaker
Outputs
15
DIFFERENTIAL PHONE INPUT
R
in
Input Resistance
CMRR
Common Mode Rejection Ratio
Differential
V
CM
= 1
VRMS
@ 1KHz
V
CM
= 1
VRMS
@ 10KHz
40
40
40
56
70
60
K
dB
dB
VOLUME CONTROL
G
MAX
A
MAX
A
STEP
E
A
Max Gain
Max Attenuation
Step Resolution
Attenuation Set Error
13
70
0.5
-1.25
-4
15
79
1
0
0
17
dB
dB
dB
dB
dB
1.5
1.25
3
G = -20 to 20dB
G = -60 to 20dB
TDA7407
4/30
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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