LTC1343 查看數據表（PDF） - Linear Technology
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LTC1343 Datasheet PDF : 28 Pages
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LTC1343
ABSOLUTE MAXIMUM RATINGS
(Note 1)
Supply Voltage ....................................................... 6.5V
Input Voltage
Transmitters ........................... – 0.3V to (VCC + 0.3V)
Receivers ............................................... – 18V to 18V
Logic Pins .............................. – 0.3V to (VCC + 0.3V)
Output Voltage
Transmitters ................. (VEE – 0.3V) to (VDD + 0.3V)
Receivers ................................ – 0.3V to (VCC + 0.3V)
Logic Pins .............................. – 0.3V to (VCC + 0.3V)
VEE........................................................ – 10V to 0.3V
VDD ....................................................... – 0.3V to 10V
Short-Circuit Duration
Transmitter Output ..................................... Indefinite
Receiver Output .......................................... Indefinite
VEE.................................................................. 30 sec
Operating Temperature Range
LTC1343C .............................................. 0°C to 70°C
LTC1343I ........................................... – 40°C to 85°C
Storage Temperature Range ................ – 65°C to 150°C
Lead Temperature (Soldering, 10 sec)................. 300°C
PACKAGE/ORDER INFORMATION
VDD 1
C1+ 2
PWRVCC 3
C1– 4
D1 5
D2 6
D3 7
VCC 8
D4 9
D4EN 10
INVERT 11
R1EN 12
R1O 13
R2O 14
R3O 15
R4O 16
M0 17
M1 18
M2 19
CTRL/CLK 20
DCE/DTE 21
LATCH 22
TOP VIEW
CHARGE PUMP
D1
D2
D3
D4
R1
R2
R3
R4
44 C2+
43 C2–
42 VEE
41 PGND
40 GND
39 D1 A
38 D2 A
37 D2 B
36 D3 A
35 D3 B
34 D4 A
33 D4 B
32 R1 A
31 R1 B
30 R2 A
29 R2 B
28 R3 A
27 R3 B
26 R4 A
25 423 SET
24 EC
23 LB
GW PACKAGE
44-LEAD PLASTIC SSOP
TJMAX = 150°C, θJA = 65°C/ W
Consult factory for Military grade parts.
ORDER PART
NUMBER
LTC1343CGW
LTC1343IGW
ELECTRICAL CHARACTERISTICS The q denotes specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VCC = 5V (Notes 2, 3)
SYMBOL PARAMETER
CONDITIONS
MIN TYP MAX
Supplies
ICC
VCC Supply Current (DCE Mode,
All Digital Pins = GND or VCC)
V.10 Mode, No Load
V.10 Mode, Full Load
q
RS530, RS530-A, X.21 Modes, No Load
RS530, RS530-A, X.21 Modes, Full Load
q
V.35 Mode, No Load
V.35 Mode, Full Load
q
V.28 Mode, No Load
V.28 Mode, Full Load
q
No-Cable Mode
q
12
80
150
80
160 200
20
115 160
20
30
90
0.05
1
PD
Internal Power Dissipation (DCE Mode, V.10 Mode, Full Load
All Digital Pins = GND or VCC)
RS530, RS530-A, X.21 Modes, Full Load
V.35 Mode, Full Load
V.28 Mode, Full Load
V+
Positive Charge Pump Output Voltage
Any Mode, No Load
V.28 Mode, with Load
V–
Negative Charge Pump Output Voltage V.28 Mode, Full Load
400
680
500
150
q 8.5
9.1
q 8.0
7.0
q – 7.8 – 8.4
V.35 Mode, Full Load
– 40°C ≤ TA ≤ 85°C
q – 5.8 – 6.7
q – 5.5
V.10, RS530, RS530A, X.21 Modes, Full Load q – 5.0 – 6.1
– 40°C ≤ TA ≤ 85°C
q – 4.8
2
UNITS
mA
mA
mA
mA
mA
mA
mA
mA
mA
mW
mW
mW
mW
V
V
V
V
V
V
V
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