参数资料
型号: LTC1335ISW#TR
厂商: Linear Technology
文件页数: 8/20页
文件大小: 0K
描述: IC TXRX RS232/485/EIA562 24SOIC
标准包装: 1,000
类型: 收发器
驱动器/接收器数: 6/6
规程: RS232,RS485
电源电压: 4.75 V ~ 5.25 V
安装类型: 表面贴装
封装/外壳: 24-SOIC(0.295",7.50mm 宽)
供应商设备封装: 24-SOIC
包装: 带卷 (TR)
16
LTC1321/LTC1322/LTC1335
U
S
A
O
PPLICATI
TYPICAL
A typical EIA562/RS232 interface application is shown in
Figure 17 with LTC1322. A typical EIA562 interface appli-
cation with LTC1335 is shown in Figure 18.
A typical connection for RS485 transceiver is shown in
Figure 19. A twisted pair of wires connects up to 32 drivers
and receivers for half duplex multi-point data transmis-
sion. The wires must be terminated at both ends with
resistors equal to the wire’s characteristic impedance,
generally 120
. An optional shield around the twisted pair
helps to reduce unwanted noise and should be connected
to ground at one end.
1/2 LTC1322
1321/22/35 F17
17
16
15
14
7
DR IN
RX OUT
OV
3
2
5
4
8
9
10
11
22
23
20
21
6
RX OUT
DR IN
0V
EIA562/
RS232
INTERFACE
LINES
Figure 17. Typical Connection for EIA562/RS232 Interface
Figure 18. Typical Connection for EIA562 Interface
1/2 LTC1335
1321/22/35 F18
17
16
15
14
7
DR IN
RX OUT
OV
3
2
5
4
8
9
10
11
22
23
20
21
6
RX OUT
DR IN
0V
EIA562
INTERFACE
LINES
1
OE = 0V
1
OE = 0V
Figure 19. Typical Connection for RS485 Interface
5V
2
1/2 LTC1322/LTC1335
1321/22/35 F19
RX OUT
DR ENABLE
DR IN
5V
120
3
4
5
22
21
20
6
11
10
9
8
7
RX OUT
16
5V
DR ENABLE
54
32
20
DR IN
RX OUT
DR ENABLE
21
22 6
15
DR IN
17
120
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