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參數(shù)資料
| 型號： | HI-3183PJM |
| 廠商： | HOLT INTEGRATED CIRCUITS INC |
| 元件分類： | 通用總線功能 |
| 英文描述： | ARINC 429 DIFFERENTIAL LINE DRIVER |
| 中文描述： | LINE DRIVER, PQCC28 |
| 封裝： | PLASTIC, LCC-28 |
| 文件頁數(shù)： | 2/11頁 |
| 文件大?。?/td> | 309K |
| 代理商： | HI-3183PJM |
FUNCTIONAL DESCRIPTION
The SYNC and CLOCK inputs establish data synchronization
utilizing two AND gates, one for each data input (figure 2).
Eachlogicinput,includingthepowerenable(
areTTL/CMOScompatible.
)input,
Figure 1 illustrates a typical ARINC 429 bus application.
Three power supplies are necessary to operate the HI-3182;
typically +15V, -15V and +5V. The chip also works with ±12V
supplies. The +5V supply can also provide a reference
voltage that determines the output voltage swing.
differentialoutputvoltageswingwillequal2V
V
other than +5V is needed, a separate +5V power supply
isrequiredforpinV .
1
The
. Ifavalueof
With the DATA(A) input at a logic high and DATA(B) input at a
logic low, A
will switch to the +V
switch to the -V
rail (ARINC HIGH state). With both data
inputsignalsatalogiclowstate,theoutputswillbothswitchto
0V(ARINCNULLstate).
rail and B
will
The driver output impedance, R
ohmsdependingontheoptionchosen. Theriseandfalltimes
of the outputs can be calibrated through the selection of two
externalcapacitorvaluesth
input pins. Typical values for high-speed operation
(100KBPS) are C = C = 75pF and for low-speed operation
(12.5to14KBPS)C =C =500pF.
A
, is nominally 75, 26 or 0
OUT
reconnectedtotheC andC
STROBE
REF
REF
OUT
REF
OUT
REF
A
B
A
ata
The C and C pins swing between +5V and ground allowing
the switching of capacitor values with an external single-
supplyanalogswitch.
A
B
TheARINC outputs can be put in a tri-state mode by applying
a logic high to the
input pin. If this feature is not
being used, the pin should be tied to ground. The
STROBE
STROBE
function is not available in the 14 & 16-pin SOIC package
configurations where the pin is internally connected to
ground.
TheARINC outputs of the HI-3182, HI-3184 and HI-3187 are
protected by internal fuses capable of sinking between 800 -
900mAforshortperiodsoftime(125 s).
TheVrefpinhasaninternalpull-upresistortoV+,allowingthe
use of a simple external zener diode to set the reference
voltage.
POWER SUPPLY SEQUENCING
The power supplies should be controlled to prevent large
currents during supply turn-on and turn-off. The
recommended sequence is +V followed by V , always
ensuring that +V is the most positive supply. The -V supply
is not critical and can be asserted at any time.
1
HI-3182, HI-3183, HI-3184, HI-3185, HI-3186, HI-3187, HI-3188
DATA (A)
OUT
DATA (B)
INPUTS
TO ARINC BUS
A
OUT
B
REF
V
1
V
SYNC
CLOCK
-V
+V
STROBE
GND
B
A
C
C
-15V
+15V
+5V
Figure 1.
ARINC 429 BUS APPLICATION
Figure 2.
FUNCTIONAL BLOCK DIAGRAM
OUT
B
Shorted on
HI-3186, HI-3187, HI-3188
C
L
REF
V
F
A
R
L
F
B
OUT
A
OUTPUT
DRIVER (B)
OUTPUT
DRIVER (A)
B
C
GND
-V
DATA (A)
DATA (B)
SYNC
CLOCK
V
1
STROBE
A
C
+V
LEVEL SHIFTER
AND SLOPE
CONTROL (B)
LEVEL SHIFTER
AND SLOPE
CONTROL (A)
CURRENT
REGULATOR
13
13
24.5
Shorted on
HI-3183, HI-3186
HI-3187, HI-3188
Shorted on
HI-3183, HI-3185
HI-3186, HI-3188
24.5
HOLT INTEGRATED CIRCUITS
2
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PDF描述 |
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| HI-3183PJMF | ARINC 429 DIFFERENTIAL LINE DRIVER |
| HI-3183PJTF | ARINC 429 DIFFERENTIAL LINE DRIVER |
| HI-3183PSIF | ARINC 429 DIFFERENTIAL LINE DRIVER |
| HI-3183PSM | ARINC 429 DIFFERENTIAL LINE DRIVER |
| HI-3183PSMF | ARINC 429 DIFFERENTIAL LINE DRIVER |
相關(guān)代理商/技術(shù)參數(shù) |
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| HI-3183PJMF | 制造商:HOLTIC 制造商全稱:Holt Integrated Circuits 功能描述:ARINC 429 DIFFERENTIAL LINE DRIVER |
| HI-3183PJT | 制造商:HOLTIC 制造商全稱:Holt Integrated Circuits 功能描述:ARINC 429 DIFFERENTIAL LINE DRIVER |
| HI-3183PJTF | 制造商:HOLTIC 制造商全稱:Holt Integrated Circuits 功能描述:ARINC 429 DIFFERENTIAL LINE DRIVER |
| HI-3183PSI | 制造商:HOLTIC 制造商全稱:Holt Integrated Circuits 功能描述:ARINC 429 DIFFERENTIAL LINE DRIVER |
| HI-3183PSIF | 制造商:HOLTIC 制造商全稱:Holt Integrated Circuits 功能描述:ARINC 429 DIFFERENTIAL LINE DRIVER |
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