參數(shù)資料
型號: TDA7400
廠商: 意法半導體
英文描述: ADVANCED CAR SIGNAL PROCESSOR
中文描述: 先進的汽車信號處理器
文件頁數(shù): 11/28頁
文件大?。?/td> 209K
代理商: TDA7400
2.4V(00)
1.9V(01)
1.4V(10)
0.9V
VPEAK
E’
D97AU650
MONO
STEREO
noisy signal
good signal
ATC_SB OFF (11)
NOISE
3V
Figure 3. FieldstrengthControlled Trigger Adjustment
Multipath Detector
Internal19kHz band pass filter
Programmableband pass and rectifiergain
two pin solution fully independent usable for
externalprogramming
selectable internalinfluence on Stereoblend
ELECTRICALCHARACTERISTICS
(continued)
Symbol
f
CMP
Parameter
Test Condition
Min.
Typ.
19
Max.
Unit
KHz
Center Frequency of Multipath-
Bandpass
Bandpass Gain
stereodecoder locked on Pilottono
G
BPMP
bits D
2
, D
1
configuration byte = 00
bits D
2
, D
1
configuration byte = 10
bits D
2
, D
1
configuration byte = 01
bits D
2
, D
1
configuration byte = 11
bits D
7
, D
6
configuration byte = 00
bits D
7
, D
6
configuration byte = 01
bits D
7
, D
6
configuration byte = 10
bits D
7
, D
6
configuration byte = 11
bit D
5
configuration byte = 0
bit D
5
configuration byte = 1
6
dB
dB
dB
dB
dB
dB
dB
dB
μ
A
μ
A
mA
12
16
18
7.6
4.6
0
off
0.5
1.0
1
G
RECTMP
Rectifier Gain
I
CHMP
Rectifier Charge Current
I
DISMP
Rectifier Discharge Current
0.5
1.5
Quality Detector
Symbol
A
Parameter
Test Condition
Min.
Typ.
0.7
0.85
1.00
1.15
Max.
Unit
Multipath Influence Factor
bit D
7
High-Cut byte +
bit D
7
Fieldstrength byte +
00
01
10
11
TDA7400
11/28
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