参数资料
型号: ADM3491AR-REEL7
厂商: Analog Devices Inc
文件页数: 3/20页
文件大小: 0K
描述: IC TXRX RS-485 HS FD 3.3 14SOIC
标准包装: 1,000
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: 带卷 (TR)
Data Sheet
ADM3483/ADM3485/ADM3488/ADM3490/ADM3491
Rev. E | Page 11 of 20
TEST CIRCUITS
RL/2
VOC
A/Y
B/Z
VOD
05
52
4-
0
03
Figure 17. Differential Output Voltage
and Common-Mode Voltage Drivers
VCM =
–7V TO +12V
VCC
RL
375
VOD
D
05
52
4-
00
4
Figure 18. Differential Output Voltage Drivers
with Varying Common-Mode Voltage
055
24
-00
5
IOH
(–)
IOL
(+)
VOH
VOL
R
0
VID
Figure 19. CMOS Output Voltage High and
CMOS Output Voltage Low Receivers
D
GENERATOR1
VCC
50
CL
RL =
60
CL = 15pF2
05
52
4-
0
36
OUT
1PPR = 250kHz, 50% DUTY CYCLE,
tR ≤ 6.0ns, ZO =50.
2CL INCLUDES PROBE AND STRAY CAPACITANCE.
Figure 20. Driver Differential Output Delay and Transition Times
D
VOM
RL =27
OUT
CL =15pF2
GENERATOR1
VCC
50
S1
VOM =
VOH +VOL
2
≈ 1.5V
05
52
4-
03
7
1PPR = 250kHz, 50% DUTY CYCLE,
tR ≤ 6.0ns, ZO =50.
2CL INCLUDES PROBE AND STRAY CAPACITANCE.
Figure 21. Driver Propagation Delays
D
OUT
CL = 50pF2
GENERATOR1
50
S1
VOM =
VOH +VOL
2
≈ 1.5V
RL = 110
0V OR 3V
05
52
4-
03
8
1PPR = 250kHz, 50% DUTY CYCLE,
tR ≤ 6.0ns, ZO =50.
2CL INCLUDES PROBE AND STRAY CAPACITANCE.
Figure 22. Driver Enable and Disable Times (tPZH, tPSH, tPHZ)
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ADM3491ARU-1REEL7 功能描述:IC TXRX RS-485 HS 3.3V 16TSSOP RoHS:否 类别:集成电路 (IC) >> 接口 - 驱动器,接收器,收发器 系列:- 标准包装:1,140 系列:AU 类型:收发器 驱动器/接收器数:1/1 规程:CAN 电源电压:5.3 V ~ 27 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-SO 包装:管件 其它名称:935267940512AU5790D14AU5790D14-ND