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參數(shù)資料
| 型號(hào)： | LTC1544 |
| 廠商： | Linear Technology Corporation |
| 英文描述： | Software-Selectable Multiprotocol Transceiver |
| 中文描述： | 軟件選擇多協(xié)議收發(fā)器 |
| 文件頁數(shù)： | 2/20頁 |
| 文件大?。?/td> | 277K |
| 代理商： | LTC1544 |
2
LTC1544
ORDER PART
NUMBER
(Note 1)
Supply Voltage, V
CC
................................................ 6.5V
Input Voltage
Transmitters........................... –0.3V to (V
CC
+ 0.3V)
Receivers............................................... –18V to 18V
Logic Pins .............................. –0.3V to (V
CC
+ 0.3V)
Output Voltage
Transmitters.................. (V
EE
– 0.3V) to (V
DD
+ 0.3V)
Receivers................................ –0.3V to (V
CC
+ 0.3V)
V
EE
........................................................ –10V to 0.3V
V
DD
....................................................... –0.3V to 10V
Short-Circuit Duration
Transmitter Output ..................................... Indefinite
Receiver Output.......................................... Indefinite
V
EE
.................................................................. 30 sec
Operating Temperature Range
LTC1544CG .............................................0
°
C to 70
°
C
LTC1544IG ........................................ –40
°
C to 85
°
C
Storage Temperature Range................ –65
°
C to 150
°
C
Lead Temperature (Soldering, 10 sec)................. 300
°
C
LTC1544CG
LTC1544IG
T
JMAX
= 150
°
C,
θ
JA
= 65
°
C/W
1
2
3
4
5
6
7
8
9
10
11
12
13
14
TOP VIEW
28
27
26
25
24
23
22
21
20
19
18
17
16
15
V
CC
V
DD
D1
D2
D3
R1
R2
R3
D4
R4
M0
M1
M2
DCE/DTE
V
EE
GND
D1 A
D1 B
D2 A
D2 B
D3/R1 A
D3/R1 B
R2 A
R2 B
R3 A
R3 B
D4/R4 A
INVERT
R1
D2
D1
R2
D3
G PACKAGE
28-LEAD PLASTIC SSOP
R3
D4
R4
Consult factory for Military grade parts.
The
G
denotes specifications which apply over the full operating tempera-
ture range, otherwise specifications are at T
A
= 25
°
C. V
CC
= 5V, V
DD
= 8V, V
EE
= –7V for V.28, –5.5V for V.10, V.11 (Notes 2, 3)
SYMBOL
Supplies
I
CC
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
V
CC
Supply Current (DCE Mode,
All Digital Pins = GND or V
CC
)
RS530, RS530-A, X.21 Modes, No Load
RS530, RS530-A, X.21 Modes, Full Load
V.28 Mode, No Load
V.28 Mode, Full Load
No-Cable Mode
RS530, RS530-A, X.21 Modes, No Load
RS530, X.21 Modes, Full Load
2.7
95
1
1
10
2.1
14
25
1
12
10
0.2
0.2
1
12
10
300
54
mA
mA
mA
mA
μ
A
mA
mA
mA
mA
mA
μ
A
mA
mA
mA
mA
μ
A
mW
mW
G
G
G
G
120
2
2
200
I
EE
V
EE
Supply Current (DCE Mode,
All Digital Pins = GND or V
CC
)
V
EE
= –5.6V (RS530, RS530-A Modes) RS530-A, Full Load
V
EE
= –8.46V (V.28 Mode)
V.28 Mode, No Load
V.28 Mode, Full Load
No-Cable Mode
RS530, RS530-A, X.21 Modes, NoLoad
RS530, RS530-A, X.21 Modes, Full Load
V.28 Mode, No Load
V.28 Mode, Full Load
No-Cable Mode
RS530, RS530-A, X.21 Modes, Full Load
V.28 Mode, Full Load
I
DD
V
DD
Supply Current (DCE Mode,
All Digital Pins = GND or V
CC
)
V
DD
= 8.73V
P
D
Internal Power Dissipation (DCE Mode,
(All Digital Pins = GND or V
CC
)
ABSOLUTEW
W
W
U
PACKAGE/ORDER U
U
W
ELECTRICAL CHARACTERISTICS
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