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LNBH23PPR Scheda tecnica(PDF) 20 Page - STMicroelectronics

Il numero della parte LNBH23PPR
Spiegazioni elettronici  LNBs supply and control IC with step-up and I²C interface
PDF  32 Pages
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Produttore elettronici  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

LNBH23PPR Scheda tecnica(HTML) 20 Page - STMicroelectronics

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Electrical characteristics
LNBH23
20/32
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
FDETIN
Tone detector frequency
capture range
0.4VPP sine wave
(2)
19
22
25
kHz
VDETIN
Tone detector input amplitude Sine wave signal, 22 kHz
0.3
1.5
VPP
ZDETIN
Tone detector input
impedance
150
k
Ω
VOL
DSQOUT pin logic LOW
DETIN Tone present, IOL=2mA
0.3
0.5
V
IOZ
DSQOUT pin leakage current DETIN Tone absent, VOH=6V
10
µA
VIL
DSQIN,TTX,13/18, EXTM pin
logic Low
0.8
V
VIH
DSQIN,TTX,13/18, EXTM pin
logic High
2V
IIH
DSQIN,TTX,13/18, EXTM pin
input current
VIH=5V
15
µA
IOBK
Output backward current
EN=0, VOBK=21V
-6
-15
mA
TSHDN
Thermal shut-down threshold
150
°C
ΔT
SHDN
Thermal shut-down
hysteresis
15
°C
1.
External signal frequency range in which the EXTM function is guaranteed.
2.
Frequency range in which the DETIN function is guaranteed. The VPP level is intended on the LNB bus (before the C12
capacitor. See Figure 4)
Table 8.
Electrical characteristics (continued) (Refer to the typical application circuit, TJ = 0 to 85
°C, EN=1, VSEL=LLC=TEN=PCL=ITEST=TTX=AUX=0, RSEL = 11 kΩ, DSQIN = LOW, VI =
12 V, IO = 50 mA, unless otherwise stated. Typical values are referred to TJ = 25 °C. VO =
VoRX pin voltage. See software description section for I²C access to the system register)
Table 9.
I²C electrical characteristics (TJ from 0 to 85 °C, VI = 12 V)
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
VIL
LOW Level input voltage
SDA, SCL
0.8
V
VIH
HIGH Level input voltage
SDA, SCL
2
V
II
Input current
SDA, SCL, VI = 0.4 to 4.5V
-10
10
µA
VOL
Low level output voltage
SDA (open drain), IOL = 6mA
0.6
V
fMAX
Maximum clock frequency
SCL
400
kHz
Table 10.
Address pin characteristics (TJ from 0 to 85 °C, VI = 12 V)
Symbol
Parameter
Test condition
Min.
Typ.
Max.
Unit
VADDR-1
"0001010(R/W)" Address pin
voltage range
R/W bit determines the transmission
mode: read (R/W=1) write (R/W=0)
00.8
V
VADDR-2
"0001011(RW)" Address pin
voltage range
R/W bit determines the transmission
mode: read (R/W=1) write (R/W=0)
25
V



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