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TDA7514 数据表(PDF) 10 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) 10 Page - STMicroelectronics

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TDA7514
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Symbol
Parameter
Test Condition
Min
Typ
Max
Unit
Gvlpf
Gain of LPF
14
dB
Idischarl
discharge current low at
DEVTC
6
µA
Idischarh
discharge current high at
DEVTC
20
µA
Idischarstep
discharge current step at
DEVTC
2
µA
Vth1
Low threshold1
15
kHzdev
Vth2
Low threshold2
20
kHzdev
Vth3
Low threshold3
28
kHzdev
Vth4
Low threshold4
44
kHzdev
Rdev1
Ratio of Vthreshold between
strong and high deviation
Vthhighdev/Vthdev
1
Rdev2
Ratio of Vthreshold between
strong and high deviation
Vthhighdev/Vthdev
1.3
Rdev3
Ratio of Vthreshold between
strong and high deviation
Vthhighdev/Vthdev
1.4
Rdev4
Ratio of Vthreshold between
strong and high deviation
Vthhighdev/Vthdev
1.5
DEVdesens1
Offset1 for Vsoftmute for
desens
referred to soft mute threshold
50
mV
DEVdesens2
Offset2 for Vsoftmute for
desens
referred to soft mute threshold
150
mV
Field Strength ISS ( FSISS )
∆Vthisissl
Low offset for Vthsm of
softmute by Smeter(1ms)
referred to soft mute threshold
-467
mV
∆Vthisissh
High offset for Vthsm of
softmute by Smeter(1ms)
referred to soft mute threshold
+467
mV
∆Vthisissstep
Step offset for Vthsm of
Softmute by Smeter(1ms)
67
mV
SoftMute by Smeter
Vthsm1
Threshold level1
T14<1:0>=00
0.3
V
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
Table 3. (continued)



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