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E-TDA7514 View Datasheet(PDF) - STMicroelectronics

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E-TDA7514 Datasheet PDF : 74 Pages
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TDA7514
Table 7. (continued)
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
VADJMP
Noise rectifier adjustment 00
through Multipath (2)
Signal PEAK in Testmode 01
10
0.3
V/ms
0.5
V/ms
0.7
V/ms
11
0.9
V/ms
AM Noise Blanker
TD
AM delay time
128
µs
fc
Corner frequency of AM
delay filter
4
kHz
AM config
AM configuration
Old mode (signal dependant Noise dependent threshold
threshold)
New mode (fixed threshold),
140
%
STDInGain must be 0.5dB
AM Noise Detector High 0
Pass Frequency
1
10
kHz
20
kHz
fcHP
AM Noise Detector High 0
Pass Filter Order
1
1st order
2nd
order
Suppression Pulse
00
Duration AM Signal
TSAM
HOLDN in Testmode
01
10
1.2
ms
800
µs
1.0
ms
11
640
µs
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
Table 8. Quality Actuators
Symbol
Parameter
Stereo Blend
VsbST
Vsb control voltage for full
stereo
VSBL
VSBL = 2V + (“d” factor) * 3V
d
VSB Control Voltage for Full
Mono
d factor
Test Condition
see below
000
001
010
011
100
101
110
111
Min. Typ. Max.
Unit
5
V
29
%
33
%
38
%
42
%
46
%
50
%
54
%
58
%
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