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参数资料
| 型号： | ADM3491ARZ-REEL7 |
| 厂商： | ANALOG DEVICES INC |
| 元件分类： | 通用总线功能 |
| 英文描述： | 3.3 V Slew Rate Limited, Half- and Full-Duplex, RS-485/RS-422 Transceivers |
| 中文描述： | LINE TRANSCEIVER, PDSO14 |
| 封装： | LEAD FREE, MS-012AB, SOIC-14 |
| 文件页数： | 9/20页 |
| 文件大小： | 315K |
| 代理商： | ADM3491ARZ-REEL7 |
ADM3483/ADM3485/ADM3488/ADM3490/ADM3491
TEST CIRCUITS
Rev. B | Page 9 of 20
R
L
/2
R
L
/2
V
OC
A/Y
B/Z
V
OD
0
Figure 7. Differential Output Voltage
and Common-Mode Voltage Drivers
V
=
–7V TO +12V
V
CC
R
L
375
375
V
OD
D
0
Figure 8. Differential Output Voltage Drivers
with Varying Common-Mode Voltage
0
I
OH
(–)
I
OL
(+)
V
OH
V
OL
R
0
V
ID
Figure 9. CMOS Output Voltage High and
CMOS Output Voltage Low Receivers
D
GENERATOR
1
V
CC
50
C
L
R
L
=
60
C
L
= 15pF
2
0
OUT
1
PPR = 250kHz, 50% DUTY CYCLE,
t
≤
6.0ns, Z
= 50
.
2
C
L
INCLUDES PROBE AND STRAY CAPACITANCE.
Figure 10. Driver Differential Output Delay and Transition Times
D
V
OM
R
L
= 27
OUT
C
L
= 15pF
2
GENERATOR
1
V
CC
50
S1
V
OM
=
V
OH
+ V
OL
2
≈
1.5V
0
1
PPR = 250kHz, 50% DUTY CYCLE,
t
≤
6.0ns, Z
= 50
.
2
C
L
INCLUDES PROBE AND STRAY CAPACITANCE.
Figure 11. Driver Propagation Delays
D
OUT
C
L
= 50pF
2
GENERATOR
1
50
S1
V
OM
=
V
OH
+ V
OL
2
≈
1.5V
R
L
= 110
0V OR 3V
0
1
PPR = 250kHz, 50% DUTY CYCLE,
t
≤
6.0ns, Z
= 50
.
2
C
L
INCLUDES PROBE AND STRAY CAPACITANCE.
Figure 12. Driver Enable and Disable Times (t
PZH
, t
PSH
, t
PHZ
)
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相关代理商/技术参数 |
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|---|---|
| ADM3491E | 制造商:AD 制造商全称:Analog Devices 功能描述:3.3 V, 【15 kV ESD-Protected, Half- and Full-Duplex, RS-485/RS-422 Transceivers |
| ADM3491EARZ | 功能描述:IC TXRX RS-485 3.3V FD 14-SOIC RoHS:是 类别:集成电路 (IC) >> 接口 - 驱动器，接收器，收发器 系列:- 产品培训模块:RS-232 & USB Transceiver 标准包装:2,000 系列:- 类型:收发器 驱动器/接收器数:1/1 规程:RS232 电源电压:3 V ~ 5.5 V 安装类型:表面贴装 封装/外壳:16-SSOP（0.209"，5.30mm 宽） 供应商设备封装:16-SSOP 包装:带卷 (TR) 其它名称:296-19849-2 |
| ADM3491EARZ-REEL7 | 功能描述:IC TXRX RS485 3.3V FD 14-SOIC RoHS:是 类别:集成电路 (IC) >> 接口 - 驱动器，接收器，收发器 系列:- 标准包装:121 系列:- 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:10-WFDFN 裸露焊盘 供应商设备封装:10-DFN（3x3） 包装:管件 |
| ADM3493 | 制造商:AD 制造商全称:Analog Devices 功能描述:3.3 V Slew Rate Limited, Half Duplex RS-485/RS-422 Transceiver |
| ADM3493ARZ | 功能描述:IC TXRX RS-422/485 3.3V 8-SOIC RoHS:是 类别:集成电路 (IC) >> 接口 - 驱动器，接收器，收发器 系列:- 标准包装:98 系列:* |
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