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TDA7512 数据表(PDF) 10 Page - STMicroelectronics

部件名 TDA7512
功能描述  AM/FM CAR RADIO TUNER IC WITH INTELLIGENT SELECTIVITY SYSTEM ISS
PDF  42 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

TDA7512 数据表(HTML) 10 Page - STMicroelectronics

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TDA7512
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ISS (intelligent Selectivity System)
Filter 450kHz
fcentre
Centre frequency
fREF_intern = 450kHz
450
kHz
BW 3dB
Bandwidth, -3dB
ISS80 = 1
80
kHz
BW
20dB
Bandwidth, -20dB
ISS80 = 1
150
kHz
BW 3dB
Bandwidth, -3dB
ISS80 = 0
120
kHz
BW
20dB
Bandwidth, -20dB
ISS80 = 0
250
kHz
BW 3dB
Bandwidth weather band
ISS30 = 1
30
kHz
BW
20dB
-20dB weather band
ISS30 = 1
80
kHz
Adjacent Channel ISS Filter Threshold
VNTH
Internal low threshold
ACNTH
0
V
VNTH
Internal high threshold
ACNTH
0.3
V
VWTH
Internal low threshold
ACWTH
0.25
V
VWTH
Internal high threshold
ACWTH
0.95
V
Multipath Threshold
VTHMP
Internal low threshold
MPTH
0.50
V
VTHMP
Internal high threshold
MPTH
1.25
V
ISS Filter Time Constant
I15
Charge current low mid
TISS, ISSCTL = 1
-74
µA
I15
Charge current high mid
TISS, ISSCTL = 1
-60
µA
I15
Charge current low narrow
TISS, ISSCTL = 1
-124
µA
I15
Charge current high narrow
TISS, ISSCTL = 1
-110
µA
I15
Discharge current low
TISS, ISSCTL = 0
1
µA
I15
Discharge current high
TISS, ISSCTL = 0
15
µA
V15
Low voltage
ISSCTL = 0
0.1
V
Table 3. ELECTRICAL CHARACTERISTICS (continued)
Tamb = +25°C, VCC1 = VCC2 = VCC3 = VCCVCO = VCCMIX1 = VCCIF1=8.5V, fRF = 98MHz, dev. = 40kHz,
fMOD =1kHz, fIF1 =10.7MHz, fIF2 =450KHz, fXtal = 10.25MHz, in application circuit, unless otherwise
specified.
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit



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