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TDA7405 bảng dữ liệu(PDF) 27 Page - STMicroelectronics

tên linh kiện TDA7405
Giải thích chi tiết về linh kiện  EQUALIZER CARRADIO SIGNAL PROCESSOR
PDF  57 Pages
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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
Trang chủ  http://www.st.com
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TDA7405 bảng dữ liệu(HTML) 27 Page - STMicroelectronics

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TDA7405
5. All thresholds are measured using a pulse with TR = 2 µs, THIGH= 2 µs and TF = 10 µs. The repetition rate must not increase the PEAK voltage.
VRECT
Rectifier Voltage
VMPX=0mV
0.5
0.9
1.3
V
VMPX=50mV, f=150kHz
1.5
1.7
2.1
V
VMPX=200mV, f=150kHz
2
2.5
2.9
V
VRECTDEV Deviation dependent
Rectifier Voltage
meas.with
VMPX=500mV
(75kHz dev.)
11
10
01
00
0.5
0.9
1.7
2.5
0.9 (off)
1.2
2.0
2.8
1.3
1.5
2.3
3.1
VOP
VOP
VOP
VOP
VRECTFS
Fieldstrength
controlled Rectifier
Voltage
meas.with
VMPX=0mV,
VLEVEL<< VSBL
(fully mono)
11
10
01
00
0.5
0.9
1.7
2.1
0.9 (off)
1.4
1.9
2.4
1.3
1.5
2.3
3.1
V
V
V
V
TSFM
Suppression Pulse Duration FM
Signal HOLDN
in Testmode
00
01
10
11
38
25.5
32
22
µs
µs
µs
µs
TSAM
Suppression Pulse Duration AM
Signal HOLDN
in Testmode
00
01
10
11
1.2
800
1.0
640
ms
µs
ms
µs
VRECTADJ Noise rectifier discharge
adjustment
Signal PEAK in
Testmode
00
01
10
11
0.3
0.8
1.3
2.0
V/ms
SRPEAK
Noise rectifier
charge
Signal PEAK in
Testmode
0
1
10
20
mV/µs
VADJMP
Noise rectifier adjustment
through
Multipath
Signal PEAK in
Testmode
00
01
10
11
0.3
0.5
0.7
0.9
V/ms
RAMIF
AM IF Input resistance
35
50
65
kOhm
GAMIF,min min. gain AM IF
Signal AM-RECTIFIER in
Testmode
6dB
GAMIF,max max. gain AM IF
20
dB
GAMIF,step step gain AM IF
2
dB
fAMIF,min
min. fc AM IF
Signal AM-RECTIFIER in
Testmode
14
kHz
fAMIF,max max. fc AM IF
56
kHz
Table 8. ELECTRICAL CHARACTERISTICS (continued)
All parameters mesured in FM mode if not otherwise specified.
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit



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