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LNBH26 датащи(PDF) 32 Page - STMicroelectronics

номер детали LNBH26
подробное описание детали  Dual LNBS supply and control IC with step-up and I짼C interface
PDF  38 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

LNBH26 датащи(HTML) 32 Page - STMicroelectronics

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Electrical characteristics
LNBH26
32/38
Doc ID 022771 Rev 1
Refer to
Section 5, TJ from 0 to 85 °C, All DATA 1..4 register bits set to “0” except
VSEL1 = 1, TEN=1, RSEL = 11 k
Ω, DSQIN = HIGH, VIN = 12 V, IOUT = 50 mA, unless
otherwise stated. Typical values are referred to TJ = 25 °C. VOUT = VOUT pin voltage. See
software description section for I²C access to the system register.
Note:
If the 22 kHz tone parameters are lower or higher than the above limits, the TMON I²C bit is
set to “1”.
Table 19.
22 kHz tone diagnostic (TMON-A/B bit, STATUS 2 register) characteristics
Symbol
Parameter
Test condition
Min.
Typ.
Max.
Unit
ATH-L
Amplitude diagnostic low threshold DETIN pin AC coupled
200
300
400
mV
ATH-H
Amplitude diagnostic high
threshold
DETIN pin AC coupled
900
1100
1200
mV
FTH-L
Frequency diagnostic low
thresholds
DETIN pin AC coupled
13
16.5
20
kHz
FTH-H
Frequency diagnostic high
thresholds
DETIN pin AC coupled
24
29.5
38
kHz



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