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TDA7540N 데이터시트(PDF) 16 Page - STMicroelectronics

부품명 TDA7540N
상세설명  AM/FM car radio tuner IC with stereo decoder and intelligent selectivity system (ISS)
PDF  76 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7540N 데이터시트(HTML) 16 Page - STMicroelectronics

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Electrical specifications
TDA7540N
16/76
Adjacent channel ISS filter threshold
VNTH
Internal low threshold
ACNTH
0
V
VNTH
Internal high threshold
ACNTH
0.24
0.3
0.36
V
VWTH
Internal low threshold
ACWTH
0.2
0.25
0.3
V
VWTH
Internal high threshold
ACWTH
0.76
0.95
1.14
V
Multipath threshold
VTHMP
Internal low threshold
MPTH
0.40
0.50
0.60
V
VTHMP
Internal high threshold
MPTH
1.0
1.25
1.5
V
ISS filter time constant
I27,I28
Charge current low mid
TISS, ISSCTL = 1
-96
-74
-54
μA
I27,I28
Charge current high mid
TISS, ISSCTL = 1
-60
μA
I27,I28
Charge current low narrow
TISS, ISSCTL = 1
-165
-124
-87
μA
I27,I28
Charge current high narrow
TISS, ISSCTL = 1
-110
μA
I27,I28
Discharge current low
TISS, ISSCTL = 0
-0.4
1
2.0
μA
I27,I28
Discharge current high
TISS, ISSCTL = 0
10
15
20
μA
V27,V28
Low voltage
ISSCTL = 0
0.1
0.2
V
V27,V28
High voltage
ISSCTL = 1
4.6
4.9
V
ISS filter switch threshold
V27,V28
Threshold ISS on
ISSCTL = 0
3
V
V27,V28
Threshold ISS off
ISSCTL = 0
1
V
V27,V28
Threshold ISS narrow on
ISSCTL = 0
4
V
V27,V28
Threshold ISS narrow off
ISSCTL = 0
2
V
I3
Charge current low
TDEV
-20
-32
-40
μA
I3
Charge current high
TDEV
-30
-39
-48
μA
I3
Discharge current low
TDEV
0.5
1
1.5
μA
I3
Discharge current high
TDEV
5.5
8
10.5
μA
DEVWTH
Internal low threshold
DWTH
30
kHz
DEVWTH
Internal high threshold
DWTH
75
kHz
RATIOmin
Referred to threshold
DTH
1
RATIOmax
Referred to threshold
DTH
1.5
Table 6.
FM section electrical characteristics (continued)
(Tamb = 25°C, VCC1 = VCC2 = VCC3 = VCCST= VCCVCO = VCCMIX1 = VCCMIX2 = VCCIF1 = 8.5V,
fRF = 98MHz, dev= 40kHz, fMOD = 1kHz, fXtal = 10.25MHz, in application circuit, unless
otherwise specified).
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit



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