TDA7412 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'TDA7412' PDF : 56 Pages View PDF
TDA7412
2.4.2 ELECTRICAL CHARACTERISTICS (continued)
Symbol
Parameter
Test Condition
Min. Typ. Max. Unit
VADJMP Noise rectifier adjustment
Signal PEAK in
00
through
Testmode
01
Multipath (2)
10
11
0.3
V/ms
0.5
0.7
0.9
RAMIF AM IF Input resistance
GAMIF,min min. gain AM IF
GAMIF,max max. gain AM IF
GAMIF,step step gain AM IF
Signal AM-RECTIFIER in
Testmode
35
50
65 kOhm
6
dB
20
dB
2
dB
fAMIF,min min. fc AM IF
fAMIF,max max. fc AM IF
Signal AM-RECTIFIER in
Testmode
14
kHz
56
kHz
Notes:
1.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.
2. By design/characterization functionally guaranteed through dedicated test mode structure
V in
V op
DC
TR
T HIGH
TF
Time
Figure 20. Trigger Threshold vs. VPEAK
VTH
MIN . T R IG . T HR ES H OL D
8 STEPS
65mV
30mV
0.9V
260mV (00)
220mV (01)
180mV (10)
140mV (11)
N O ISE C ON T R OL LE D T RIG . TH R ES H O LD
1.5V
VPEAK [V]
27/56
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