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ADM3491AN 参数 Datasheet PDF下载

ADM3491AN图片预览
型号: ADM3491AN
PDF下载: 下载PDF文件 查看货源
内容描述: 3.3 V ,全双工, 840 uA的20 Mbps的EIA RS- 485收发器 [3.3 V, Full Duplex, 840 uA 20 Mbps, EIA RS-485 Transceiver]
分类和应用: 驱动器接口集成电路光电二极管信息通信管理
文件页数/大小: 12 页 / 284 K
品牌: AD [ ANALOG DEVICES ]
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ADM3491
Test Circuits
R/2
V
OD
R/2
V
CC
375
V
OD3
R
L
V
TST
375
V
OC
Figure 1. Driver Voltage Measurement Test Circuit
V
CC
R
L
C
L
V
OUT
Figure 5. Driver Voltage Measurement Test Circuit 2
+1.5V
S1
–1.5V
RE
IN
RE
R
L
C
L
V
OUT
V
CC
0V OR 3V
DE
S1
S2
S2
DE IN
Figure 2. Driver Enable/Disable Test Circuit
Figure 6. Receiver Enable/Disable Test Circuit
V
OM
DI
C
L1
D
RL
DIFF
V
OUT
C
L2
IN
DE
S1
C
L
V
CC
R
L
V
OUT
Figure 3. Driver Differential Output Delay Test Circuit
Figure 7. Driver Propagation Delay Test Circuit
3V
DI
C
L1
D
RL
DIFF
C
L2
A
B
R
RE
RO
0V
V
ID
+1.5V
RE
C
L
V
OUT
Figure 4. Driver/Receiver Propagation Delay Test Circuit
Figure 8. Receiver Propagation Delay Test Circuit
–6–
REV. 0