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TDA7540B датащи(PDF) 47 Page - STMicroelectronics

номер детали TDA7540B
подробное описание детали  AM/FM Car Radio Tuner IC with Stereo Decoder and Intelligent Selectivity System (ISS)
PDF  75 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7540B датащи(HTML) 47 Page - STMicroelectronics

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TDA7540B
Software specification
47/75
0
Switch “OFF” ISS filter 120kHz
1
Switch “ON” ISS filter 80kHz
0
Switch “OFF” ISS filter 30KHz for weatherband
1
Switch “ON” ISS filter 30KHz for weatherband
00
0
discharge current1
µA, charge current mid 74µA
narrow124
µA
00
1
discharge current3
µA, charge current mid 72µA
narrow122
µA
01
0
discharge current5
µA, charge current mid 70µA
narrow120
µA
0
1
1
discharge current7
µA, charge current mid 68ϖ narrow118µA
--
-
-
11
1
discharge current15µA,charge current mid
60
µAnarrow110µA
Table 20.
Addr 9 Quality Detection Adjacent Channel
MSB
LSB
Function
d7
d6
d5
d4
d3
d2
d1
d0
0/1
Not valid
0
AC highpass frequency 100kHz
1
AC bandpass frequency 100kHz
0
AC gain 32dB
1
AC gain 38dB
0
0
0
AC wide band threshold 0.25V
0
0
1
AC wide band threshold 0.35V
0
1
0
AC wide band threshold 0.45V
---
-
1
1
1
AC wide band threshold 0.95V
0
0
AC narrow band threshold 0.0V
0
1
AC narrow band threshold 0.1V
1
0
AC narrow band threshold 0.2V
1
1
AC narrow band threshold 0.3V
Table 19.
Addr 8 Quality ISS Filter (continued)
MSB
LSB
Function
d7
d6
d5
d4
d3
d2
d1
d0



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