LNBH25 STMicroelectronics, LNBH25 Datasheet - Page 28

• Manufacturer Part Number: LNBH25
• Description: LNB supply and control IC with step-up and I2C interface
• Manufacturer: STMicroelectronics

Electrical characteristics
Table 19.
Note:
28/34
Symbol
A
F
A
F
TH-H
TH-H
TH-L
TH-L
Amplitude diagnostic low threshold DETIN pin AC coupled
Amplitude diagnostic high
threshold
Frequency diagnostic low
thresholds
Frequency diagnostic high
thresholds
Refer to
VSEL1 = 1, TEN=1, RSEL = 11.5 kΩ, DSQIN = HIGH, V
otherwise stated. Typical values are referred to T
software description section for I²C access to the system register.
22 kHz tone diagnostic (TMON bit, STATUS 2 register) characteristics
If the 22 kHz Tone parameters are lower or higher than the above limits, the TMON I²C bit is
set to “1”.
Section 5
Parameter
, T
J
from 0 to 85 °C, All DATA 1..4 register bits set to “0” unless
Doc ID 022433 Rev 4
DETIN pin AC coupled
DETIN pin AC coupled
DETIN pin AC coupled
Test condition
J
= 25 °C. V
IN
= 12 V, I
OUT
Min.
= V
200
900
13
24
OUT
OUT
= 50 mA, unless
1100
Typ.
16.5
29.5
300
pin voltage. See
Max.
1200
400
20
38
LNBH25
Unit
kHz
kHz
mV
mV