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ADM3485EAR 参数 Datasheet PDF下载

ADM3485EAR图片预览
型号: ADM3485EAR
PDF下载: 下载PDF文件 查看货源
内容描述: ESD保护,符合EMC , 3.3 V , 20 Mbps的EIA RS- 485收发器 [ESD Protected, EMC Compliant, 3.3 V, 20 Mbps, EIA RS-485 Transceiver]
分类和应用: 线路驱动器或接收器驱动程序和接口接口集成电路光电二极管信息通信管理
文件页数/大小: 11 页 / 121 K
品牌: AD [ ANALOG DEVICES ]
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ADM3485E
Test Circuits
375
R/2
V
OD
R/2
V
CC
375
V
OC
V
OD3
R
L
V
TST
Figure 1. Driver Voltage Measurement Test Circuit
Figure 5. Driver Voltage Measurement Test Circuit 2
V
CC
V
CC
+1.5V
S1
R
L
RE
C
L
V
OUT
0V OR 3V
DE
S1
R
L
C
L
V
OUT
S2
–1.5V
S2
DE IN
RE
IN
Figure 2. Driver Enable/Disable Test Circuit
Figure 6. Receiver Enable/Disable Test Circuit
V
OM
R
L
DI
C
L1
D
RL
DIFF
C
L2
V
OUT
IN
DE
S1
C
L
V
OUT
V
CC
Figure 3. Driver Differential Output Delay Test Circuit
Figure 7. Driver Propagation Delay Test Circuit
DI
C
L1
D
RL
DIFF
C
L2
A
B
R
RE
RO
0V
3V
V
ID
+1.5V
V
OUT
RE
C
L
Figure 4. Driver/Receiver Propagation Delay Test Circuit
Figure 8. Receiver Propagation Delay Test Circuit
REV. A
–5–