LTC1544 View Datasheet(PDF) - Linear Technology
Part Name
Description
Manufacturer
LTC1544 Datasheet PDF : 20 Pages
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LTC1544
ABSOLUTE AXI U RATI GS
(Note 1)
Supply Voltage, VCC ................................................ 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)
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
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
UW U
PACKAGE/ORDER I FOR ATIO
VCC 1
VDD 2
D1 3
D2 4
D3 5
R1 6
R2 7
R3 8
D4 9
R4 10
M0 11
M1 12
M2 13
DCE/DTE 14
TOP VIEW
D1
D2
D3
R1
R2
R3
D4
R4
28 VEE
27 GND
26 D1 A
25 D1 B
24 D2 A
23 D2 B
22 D3/R1 A
21 D3/R1 B
20 R2 A
19 R2 B
18 R3 A
17 R3 B
16 D4/R4 A
15 INVERT
G PACKAGE
28-LEAD PLASTIC SSOP
TJMAX = 150°C, θJA = 65°C/ W
Consult factory for Military grade parts.
ORDER PART
NUMBER
LTC1544CG
LTC1544IG
ELECTRICAL CHARACTERISTICS The q denotes specifications which apply over the full operating tempera-
ture range, otherwise specifications are at TA = 25°C. VCC = 5V, VDD = 8V, VEE = – 7V for V.28, – 5.5V for V.10, V.11 (Notes 2, 3)
SYMBOL PARAMETER
CONDITIONS
MIN TYP MAX
UNITS
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.28 Mode, No Load
q
V.28 Mode, Full Load
q
No-Cable Mode
q
2.7
mA
95
120
mA
1
2
mA
1
2
mA
10
200
µA
IEE
VEE Supply Current (DCE Mode,
RS530, RS530-A, X.21 Modes, No Load
All Digital Pins = GND or VCC)
RS530, X.21 Modes, Full Load
VEE = – 5.6V (RS530, RS530-A Modes) RS530-A, Full Load
VEE = – 8.46V (V.28 Mode)
V.28 Mode, No Load
V.28 Mode, Full Load
No-Cable Mode
2.1
mA
14
mA
25
mA
1
mA
12
mA
10
µA
IDD
VDD Supply Current (DCE Mode,
All Digital Pins = GND or VCC)
VDD = 8.73V
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
0.2
mA
0.2
mA
1
mA
12
mA
10
µA
PD
Internal Power Dissipation (DCE Mode, RS530, RS530-A, X.21 Modes, Full Load
(All Digital Pins = GND or VCC)
V.28 Mode, Full Load
300
mW
54
mW
2
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