LTC1543(RevA) View Datasheet(PDF) - Linear Technology
Part Name
Description
Manufacturer
LTC1543 Datasheet PDF : 20 Pages
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LTC1543
ABSOLUTE AXI U RATI GS
(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
UW U
PACKAGE/ORDER I FOR ATIO
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 = 90°C/ W
Consult LTC Marketing for parts specified with wider operating
temperature ranges.
ELECTRICAL CHARACTERISTICS The q denotes specifications which apply over the full operating tempera-
ture range. VCC = 5V (Notes 2, 3)
SYMBOL
Supplies
ICC
PARAMETER
VCC Supply Current (DCE Mode,
All Digital Pins = GND or VCC)
PD
Internal Power Dissipation (DCE Mode)
V+
Positive Charge Pump Output Voltage
V–
Negative Charge Pump Output Voltage
fOSC
Charge Pump Oscillator Frequency
tr
Supply Rise Time
Logic Inputs and Outputs
VIH
Logic Input High Voltage
VIL
Logic Input Low Voltage
CONDITIONS
RS530, RS530-A, X.21 Modes, No Load
RS530, RS530-A, X.21 Modes, Full Load
V.35 Mode, No Load
V.35 Mode, Full Load
V.28 Mode, No Load
V.28 Mode, Full Load
No-Cable Mode
RS530, RS530-A, X.21 Modes, Full Load
V.35 Mode, Full Load
V.28 Mode, Full Load
Any Mode, No Load
V.28 Mode, with Load
V.28 Mode, with Load, IDD = 10mA
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
No-Cable Mode or Power-Up to Turn On
MIN TYP MAX
UNITS
13
mA
q
100 130
mA
20
mA
q
126 170
mA
20
mA
q
40
75
mA
q
120 500
µA
230
mW
600
mW
140
mW
q 8.0
9.4
V
q 8.0
8.7
V
6.5
V
– 9.6
V
q – 8.0 – 8.5
V
q – 5.5 – 6.7
V
q – 4.5 – 5.7
V
150
kHz
2
ms
q
2
q
V
0.8
V
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