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TDA7514 Arkusz danych(PDF) 20 Page - STMicroelectronics

Numer części TDA7514
Szczegółowy opis  SINGLE-CHIP FM/AM TUNER WITH STEREO DECODER AND AUDIO PROCESSOR
PDF  74 Pages
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Producent  STMICROELECTRONICS [STMicroelectronics]
Strona internetowa  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7514 Arkusz danych(HTML) 20 Page - STMicroelectronics

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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
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
VADJMP
Noise rectifier adjustment
through Multipath (2)
Signal PEAK in Testmode
00
0.3
V/ms
01
0.5
V/ms
10
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
4kHz
AM config
AM configuration
Old mode (signal dependant
threshold)
Noise dependent threshold
New mode (fixed threshold),
STDInGain must be 0.5dB
140
%
fcHP
AM Noise Detector High
Pass Frequency
010
kHz
120
kHz
AM Noise Detector High
Pass Filter Order
0
1st order
1
2nd
order
TSAM
Suppression Pulse
Duration AM Signal
HOLDN in Testmode
00
1.2
ms
01
800
µs
10
1.0
ms
11
640
µs
Table 8. Quality Actuators
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
Stereo Blend
VsbST
Vsb control voltage for full
stereo
5V
VSBL
VSBL = 2V + (“d” factor) * 3V
see below
d
VSB Control Voltage for Full
Mono
d factor
000
29
%
001
33
%
010
38
%
011
42
%
100
46
%
101
50
%
110
54
%
111
58
%
Table 7. (continued)



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