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TDA7514 数据表(PDF) 9 Page - STMicroelectronics

部件名 TDA7514
功能描述  SINGLE-CHIP FM/AM TUNER WITH STEREO DECODER AND AUDIO PROCESSOR
PDF  74 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

TDA7514 数据表(HTML) 9 Page - STMicroelectronics

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TDA7514
Symbol
Parameter
Test Condition
Min
Typ
Max
Unit
Vthacstep
Threshold for weak adjacent
step
100
mV
∆ACl
Differential Vthreshold between
weak and strong adjacent low
0mV
∆ACh
Differential Vthreshold between
weak and strong adjacent high
300
mV
∆ACstep
Differential Vthreshold between
weak and strong step
100
mV
ACdesen1
Desens Th1
Vsmeter at starting desens
0.25
V
ACdesen2
Desens Th2
Vsmeter at starting desens
0.83
V
ACdesen3
Desens Th3
Vsmeter at starting desens
1.42
V
ACdesen4
Desens Th4
Vsmeter at starting desens
2.0
V
Slop1
∆AC/∆Vsmeter1
T22<6:5>=00
-2.7
Slop2
∆AC/∆Vsmeter2
T22<6:5>=01
-3.3
Slop3
∆AC/∆Vsmeter3
T22<6:5>=10
-5
Slop4
∆AC/∆Vsmeter4
T22<6:5>=11
-10
Multipath Channel detector for ISS ( input: Smeter unfiltered+Buffer)
FcenterMP
BPF center
19
kHz
Qmp
Quality factor of BPF
8.5
FiltGv1
Gain1 of BPF
T25<1:0>=00
-7
dB
FiltGv2
Gain2 of BPF
T25<1:0>=01
4
dB
FiltGv3
Gain3 of BPF
T25<1:0>=10
7
dB
FiltGv4
Gain4 of BPF
T25<1:0>=11
10
dB
Grect1
Rectifier Gain1
T25<3:2>=00
6
dB
Grect2
Rectifier Gain2
T25<3:2>=01
12
dB
Grect3
Rectifier Gain3
T25<3:2>=10
18
dB
Grect4
Rectifier Gain4
T25<3:2>=11
22
dB
Vmpl
Output voltage low
3.0
V
Vmph
Output voltage high
4.9
V
Vthmp1
Threshold level1
3.49
V
Vthmp2
Threshold level2
3.74
V
Vthmp3
Threshold level3
4.06
V
Vthmp4
Threshold level4
4.31
V
Deviation detector for ISS (input: Demodulator output)
FcDev
Cutoff Frequency of MPX LPF
(2nd order)
10
kHz
Table 3. (continued)



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