参数资料
型号: ADM3491AR
厂商: Analog Devices Inc
文件页数: 4/20页
文件大小: 0K
描述: IC TX/RX RS-485 HS 3.3V 14SOIC
标准包装: 56
类型: 收发器
驱动器/接收器数: 1/1
规程: RS422,RS485
电源电压: 3 V ~ 3.6 V
安装类型: 表面贴装
封装/外壳: 14-SOIC(0.154",3.90mm 宽)
供应商设备封装: 14-SOICN
包装: 管件
ADM3483/ADM3485/ADM3488/ADM3490/ADM3491
Data Sheet
Rev. E | Page 12 of 20
D
OUT
CL = 50pF2
GENERATOR1
50
S1
0V OR 3V
VCC
RL =110
05
52
4-
039
1PPR = 250kHz, 50% DUTY CYCLE,
tR ≤ 6.0ns, ZO =50.
2CL INCLUDES PROBE AND STRAY CAPACITANCE.
Figure 23. Driver Enable and Disable Times (tPZL, tPSL, tPLZ)
0
552
4-
0
40
GENERATOR1
50
CL =15pF2
R
1.5V
0
VOM =
VCC
2
OUT
VID
1PPR = 250kHz, 50% DUTY CYCLE,
tR ≤ 6.0ns, ZO =50.
2CL INCLUDES PROBE AND STRAY CAPACITANCE.
Figure 24. Receiver Propagation Delays
R
GENERATOR1
50
CL2
S3
S1
S2
VCC
+1.5V
–1.5V
VID
1k
05
52
4-
04
1
1PPR = 250kHz, 50% DUTY CYCLE,
tR ≤ 6.0ns, ZO =50.
2CL INCLUDES PROBE AND STRAY CAPACITANCE.
Figure 25. Receiver Enable and Disable Times
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