LTC1546I データシートの表示（PDF） - Linear Technology
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LTC1546I Datasheet PDF : 20 Pages
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LTC1546
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)
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
LTC1546C ............................................... 0°C to 70°C
LTC1546I ........................................... – 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
28 C2+
27 C2–
26 VEE
25 GND
D1
T
D2
T
24 D1 A
23 D1 B
22 D2 A
D3
21 D2 B
20 D3/R1 A
T
R1
19 D3/R1 B
18 R2 A
R2
T
17 R2 B
R3
16 R3 A
T
15 R3 B
ORDER PART
NUMBER
LTC1546CG
LTC1546IG
G PACKAGE
28-LEAD PLASTIC SSOP
TJMAX = 150°C, θJA = 90°C/ W*
*θJA SOLDERED TO A CIRCUIT BOARD
IS TYPICALLY 60°C/W
Consult factory for parts specified with wider operating temperature ranges.
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)
RS530, RS530-A, X.21 Modes, No Load
RS530, RS530-A, X.21 Modes, Full Load q
V.35 Mode
q
V.28 Mode, No Load
V.28 Mode, Full Load
q
No-Cable Mode
q
14
100 130
126 170
20
35
75
60
500
PD
Internal Power Dissipation (DCE Mode)
RS530, RS530-A, X.21 Modes, Full Load
410
V.35 Mode, Full Load
625
V.28 Mode, Full Load
150
V+
Positive Charge Pump Output Voltage
V.11 or V.28 Mode, No Load
V.35 Mode
V.28 Mode, with Load
V.28 Mode, with Load, IDD = 10mA
V–
Negative Charge Pump Output Voltage
V.28 Mode, No Load
V.28 Mode, Full Load
q 8.0
9.3
q 7.0
8.0
q 8.0
8.7
6.5
– 9.6
q – 7.5 – 8.5
V.35 Mode
q – 5.5 – 6.5
RS530, RS530-A, X.21 Modes, Full Load q – 4.5 – 6.0
UNITS
mA
mA
mA
mA
mA
µA
mW
mW
mW
V
V
V
V
V
V
V
V
2
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