參數(shù)資料
型號: TDA7407
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): 10/30頁
文件大?。?/td> 470K
代理商: TDA7407
ELECTRICAL CHARACTERISTICS
(continued)
Symbol
V
ADJMP
Parameter
Test Condition
Min.
(c)
(c)
(c)
(c)
Typ.
0.3
0.5
0.7
0.9
Max.
(c)
(c)
(c)
(c)
Unit
V/ms
V/ms
V/ms
V/ms
Noise Rectifier adjustment
through Multipath
8)
Signal PEAK in
Testmode
MPNB = 00
8)
MPNB = 01
8)
MPNB = 10
8)
MPNB = 11
8)
0) All Thresholds are measured using a pulse with T
R
=2
μ
s, T
HIGH
= 2
μ
s and T
F
= 10
μ
s. The repetition rate must not increase the PEAK voltage.
1) NBT represents the Noiseblanker Byte bits D
2
, D
0
for the noise blanker trigger threshold
2) NAT represents the Noiseblanker Byte bit pair D
4
, D
3
for the noise controlled triggeradjustment
3) OVD represents the Noiseblanker Byte bit pair D
7
, D
6
for the over deviation detector
4) FSC represents the Fieldstrength Byte bit pair D
1
, D
0
for the fieldstrength control
5) BLT represents the Speaker RR Byte bit pair D
7
, D
6
for the blanktime adjustment
6) NRD represents the Configuration-Byte bit pair D
1
, D
0
for the noise rectifier discharge-adjustment
7) PCH represents the Stereodecoder-Byte bit D
5
for the noise rectifier charge-current adjustment
8) MPNB represents the HighCut-Byte bit D
7
and the Fieldstrength-Byte D
7
for the noise rectifier multipath adjustment
65mV
30mV
8 STEPS
NOISE CONTROLLED
TRIG. THRESHOLD
MIN. TRIG. THRESHOLD
260mV(00)
220mV(01)
180mV(10)
140mV(11)
0.9V
VTH
1.5V
VPEAK(V)
D97AU648
Figure 1. Trigger Threshold vs.V
PEAK
VPEAK
(V
OP
)
D97AU649
20
DEVIATION(KHz)
0.9
1.2
2.0
2.8
DETECTOR OFF (11)
32.5
45
75
10
01
00
Figure 2. Deviation Controlled Trigger Adjust-
ment
VOP
VIN
DC
TR
THIGH
TF
Time
D97AU636
TDA7407
10/30
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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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