参数资料
型号: LTC1535
厂商: Linear Technology Corporation
英文描述: Isolated RS485 Transceiver
中文描述: 485隔离收发器
文件页数: 2/12页
文件大小: 226K
代理商: LTC1535
2
LTC1535
ORDER PART
NUMBER
LTC1535CSW
T
JMAX
= 125
°
C,
θ
JA
= 125
°
C/W
Consult factory for Industrial and Military grade parts.
The
G
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25
°
C. 0
°
C
T
A
70
°
C, V
CC
= 5V, V
CC2
= 5V unless otherwise noted.
(Note 1)
V
CC
to GND................................................................ 6V
V
CC2
to GND2 ............................................................ 8V
Control Input Voltage to GND ...... –0.3V to (V
CC
+ 0.3V)
Driver Input Voltage to GND ........ –0.3V to (V
CC
+ 0.3V)
Driver Output Voltage
(Driver Disabled) to GND2..............(V
CC2
– 13V) to 13V
Driver Output Voltage
(Driver Enabled) to GND2 ...............(V
CC2
– 13V) to 10V
Receiver Input Voltage to GND2 ............................
±
14V
Receiver Output Voltage .............. –0.3V to (V
CC
+ 0.3V)
Operating Temperature Range..............0
°
C
T
A
70
°
C
Lead Temperature (Soldering, 10 sec)..................300
°
C
SYMBOL
V
CC
V
CC2
I
CC
I
CC2
PARAMETER
V
CC
Supply Range
V
CC2
Supply Range
V
CC
Supply Current
V
CC2
Supply Current
CONDITIONS
MIN
4.5
4.5
TYP
MAX
5.5
7.5
18
73
12
5
UNITS
G
V
V
G
No Load
R = 27
, Figure 1
No Load
No Load
R = 50
(RS422) Note 2
R = 27
(RS485), Figure 1
G
13
63
7
mA
mA
mA
G
G
V
OD1
V
OD2
Differential Driver Output
Differential Driver Output
G
V
V
V
G
G
2
1.5
2
I
OSD1
Driver Short-Circuit Current
V
OUT
= HIGH
V
OUT
= LOW
Logic Input High Voltage
Logic Input Low Voltage
Input Current (A, B)
–7V
V
CM
10V
–7V
V
CM
10V
DE, DI, RE V
CC
= 4.5V
DE, DI, RE V
CC
= 4.5V
Note 3
G
G
75
75
2
100
100
135
135
mA
mA
V
IH
V
IL
I
IN
G
V
V
G
0.8
0.25
–0.20
–10
70
85
V
IN
= 12V
V
IN
= –7V
G
mA
mA
mV
mV
k
G
V
TH
V
TH
R
IN
V
OH
Receiver Input Threshold
Receiver Input Hysteresis
Receiver Input Impedance
RO Output High Voltage
–7V
V
CM
12V, Note 4
–7V
V
CM
12V
G
–200
10
50
3.7
–90
30
68
4.0
3.4
0.4
0.9
G
G
I
RO
= –4mA, V
CC
= 4.5V
I
RO
= –10mA, V
CC
= 4.5V
I
RO
= 4mA, V
CC
= 4.5V
I
RO
= 10mA, V
CC
= 4.5V
G
V
V
V
V
V
OL
RO Output Low Voltage
G
0.8
1
2
3
4
11
12
13
14
28
27
26
25
18
17
16
15
V
CC
ST1
ST2
GND
GND2
Z
Y
V
CC2
RO
RE
DE
DI
SLO
RO2
A
B
SW PACKAGE
28-LEAD PLASTIC SO WIDE
TOP VIEW
ABSOLUTEW
W
W
U
PACKAGE/ORDER IU
U
W
ELECTRICAL CHARACTERISTICS
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