LTC1543C View Datasheet(PDF) - Linear Technology
Part Name
Description
Manufacturer
LTC1543C Datasheet PDF : 20 Pages
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LTC1543
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
LTC1543C .............................................. 0°C to 70°C
LTC1543I ........................................... – 40°C to 85°C
Storage Temperature Range ................ – 65°C to 150°C
Lead Temperature (Soldering, 10 sec)................. 300°C
PACKAGE/ORDER INFORMATION
C1– 1
C1+ 2
VDD 3
VCC 4
D1 5
D2 6
D3 7
R1 8
R2 9
R3 10
M0 11
M1 12
M2 13
DCE/DTE 14
TOP VIEW
CHARGE PUMP
D1
D2
D3
R1
R2
R3
28 C2+
27 C2–
26 VEE
25 GND
24 D1 A
23 D1 B
22 D2 A
21 D2 B
20 D3/R1 A
19 D3/R1 B
18 R2 A
17 R2 B
16 R3 A
15 R3 B
ORDER PART
NUMBER
LTC1543CG
LTC1543IG
G PACKAGE
28-LEAD PLASTIC SSOP
TJMAX = 150°C, θJA = 65°C/ W
Consult factory for Military grade parts.
ELECTRICAL CHARACTERISTICS VCC = 5V (Notes 2, 3)
SYMBOL PARAMETER
CONDITIONS
MIN TYP MAX
Supplies
ICC
VCC Supply Current (DCE Mode,
All Digital Pins = GND or VCC)
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
13
100 130
20
126 170
20
40
75
120 500
PD
Internal Power Dissipation (DCE Mode) 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.28 Mode, with Load, IDD = 10mA
V–
Negative Charge Pump Output Voltage V.28, V.35 Modes, No Load
V.28 Mode, Full Load
V.35 Mode, Full Load
RS530, RS530-A, X.21 Modes, Full Load
230
600
140
q 8.0
9.4
q 8.0
8.7
6.5
– 9.6
q – 8.0 – 8.5
q – 5.5 – 6.7
q – 4.5 – 5.7
fOSC
Charge Pump Oscillator Frequency
150
tr
Supply Rise Time
No-Cable Mode or Power-Up to Turn On
2
Logic Inputs and Outputs
VIH
Logic Input High Voltage
VIL
Logic Input Low Voltage
q
2
q
0.8
2
UNITS
mA
mA
mA
mA
mA
mA
µA
mW
mW
mW
V
V
V
V
V
V
V
kHz
ms
V
V
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