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TDA7514 Arkusz danych(PDF) 15 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) 15 Page - STMicroelectronics

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TDA7514
Symbol
Parameter
Test Condition
Min
Typ
Max
Unit
Vthsm2
Threshold level2
T14<1:0>=01
0.4
V
Vthsm3
Threshold level3
T14<1:0>=10
1.6
V
Vthsm4
Threshold level4
T14<1:0>=11
1.8
V
Attsmmax
Maximum attenuation
21.5
dB
Attsmmin
Minimum attenuation
4.5
dB
Attsmstep
Step attenuation
2.5
dB
AM Filtered Smeter
VFSM1
Filtered Smeter1
@AMIF2AMPIN=50dB
µV0.8
V
VFSM2
Filtered Smeter2
@AMIF2AMPIN=70dB
µV2.2
V
VFSM3
Filtered Smeter3
@AMIF2AMPIN=90dB
µV4.4
V
FSMR1
Filtered Smeter resistor
T16<5>=0
200
k
Ω
FSMR2
Filtered Smeter resistor
T16<5>=1
21
M
Ω
CLVFSM
Clamped voltage
5
V
TCsm1
Time constant1
T16<5>=0
10
ms
TCsm2
Time constant2
T16<5>=1
0.9
s
AM Smeter Slider
SLSTEP
Slider step
40
mV
SLMAX
Maximum Slider
@VFSM=2.6V
1.23
V
SLMIN
Minimum Slider
@VFSM=2.6V
-1.25
V
AM Station Detector by Smeter
VSDl
Low output level
@SD pin
0
V
VSDh
High output level
@SD pin
5
V
Vthsdmin
Threshold level minimum
T29<3:0>=0000
0.3
V
Vthsdmax
Threshold level maximum
T29<3:0>=1111
2.55
V
Vthsdstep
Threshold level step
0.15
V
AMAGC2 Time Constant
Ragc2tc1
Time constant FAST mode
Output resistance
AMAGC1TCpin
4.8
k
Ω
Ragc2tc2
Time constant Normal mode
Output resistance
AMAGC1TCpin
150
k
Ω
AMIFNB
Wgateifnb
Width of gate
12
µsec
Voffset0
Rectifier offset0
T31<3:0>=0000
0
mV
Voffset1
Rectifier offset1
T31<3:0>=0001
46
mV
Voffset2
Rectifier offset2
T31<3:0>=0010
100
mV
Voffset3
Rectifier offset3
T31<3:0>=0011
146
mV
Table 4. (continued)



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