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TDA7512 датащи(PDF) 11 Page - STMicroelectronics

номер детали TDA7512
подробное описание детали  AM/FM CAR RADIO TUNER IC WITH INTELLIGENT SELECTIVITY SYSTEM ISS
PDF  42 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7512 датащи(HTML) 11 Page - STMicroelectronics

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TDA7512
V15
High voltage
ISSCTL = 1
4.9
V
ISS Filter Switch Threshold
V15
Threshold ISS on
ISSCTL = 0
3
V
V15
Threshold ISS off
ISSCTL = 0
1
V
V15
Threshold ISS narrow on
ISSCTL = 0
4
V
V15
Threshold ISS narrow off
ISSCTL = 0
2
V
I20
Charge current low
TDEV
-20
µA
I20
Charge current high
TDEV
-34
µA
I20
Discharge current low
TDEV
6
µA
I20
Discharge current high
TDEV
20
µA
DEVWTH Internal low threshold
DWTH
30
kHz
DEVWTH Internal high threshold
DWTH
75
kHz
RATIOmi
n
Referred to threshold
DTH
1
RATIOm
ax
Referred to threshold
DTH
1.5
Softmute
VANT
Upper startpoint
SMTH, SMD, SLOPE = 0
10
dB
µV
VANT
lower startpoint
SMTH, SMD, SLOPE = 0
3
dB
µV
aSMmin
Min. softmute depth
SMD, SLOPE = 0, SMTHUpper
18
dB
aSMmax
Max. softmute depth
SMD, SLOPE = 0, SMTHUpper
36
dB
aSMTHIS
S
Mute depth threshold for ISS filter
on
SMCTH
0.2
2
dB
VACTH
Internal AC mute threshold
ACM
60
340
mV
aSMAC
AC mute depth
ACMD
4
10
dB
I42
Charge current
-47.5
µA
I42
Discharge current
2.5
µA
S/N Over All
S/N
VANT_min = 60dB
µV,
dev.= 40kHz,LP=15KHz
deemphasis t = 50
µs
66
dB
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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