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参数资料
| 型号： | ADM3491ARZ |
| 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： | 6/20页 |
| 文件大小： | 315K |
| 代理商： | ADM3491ARZ |
ADM3483/ADM3485/ADM3488/ADM3490/ADM3491
TIMING SPECIFICATIONS—ADM3483/ADM3485/ADM3488/ADM3490/ADM3491
V
CC
= 3.3 V, T
A
= 25°C, unless otherwise noted.
Rev. B | Page 6 of 20
Table 5.
Parameter
RECEIVER
Time to Shutdown (t
SHDN
)
ADM3483/ADM3485/ADM3491
1
Propagation Delay, Low-to-High Level (t
RPLH
)
ADM3485/ADM3490/ADM3491
ADM3483/ADM3488
Propagation Delay, High-to-Low Level (t
RPHL
)
ADM3485/ADM3490/ADM3491
ADM3483/ADM3488
|t
PLH
– t
PHL
| Propagation Delay Skew (t
RPDS
)
ADM3485/ADM3490/ADM3491
ADM3483/ADM3488
RECEIVER OUTPUT ENABLE/DISABLE TIMES
(ADM3483/ADM3485/ADM3491 ONLY)
Output Enable Time to Low Level (t
PRZL
)
Output Enable Time to High Level (t
PRZH
)
Output Disable Time from High Level (t
PRHZ
)
Output Disable Time from Low Level (t
PRLZ
)
Output Enable Time from Shutdown to
Low Level (t
PRSL
)
Output Enable Time from Shutdown to
High Level (t
PRSH
)
1
The transceivers are put into shutdown by bringing the RE high and DE low. If the inputs are in this state for less than 80 ns, the parts are guaranteed not to enter
shutdown. If the parts are in this state for 300 ns or more, the parts are guaranteed to enter shutdown.
Min
80
25
25
25
25
Typ
190
65
75
65
75
Max
300
90
120
90
120
10
20
Unit
ns
ns
ns
ns
ns
ns
ns
Test Conditions/Comments
V
ID
= 0 V to 3.0 V, C
L
= 15 pF (see Figure 14 and Figure 20)
V
ID
= 0 V to 3.0 V, C
L
= 15 pF (see Figure 14 and Figure 20)
V
ID
= 0 V to 3.0 V, C
L
= 15 pF (see Figure 14 and Figure 20)
25
25
25
25
720
50
50
45
45
1400
ns
ns
ns
ns
ns
C
L
= 15 pF (see Figure 15 and Figure 21)
C
L
= 15 pF (see Figure 15 and Figure 21)
C
L
= 15 pF (see Figure 15 and Figure 21)
C
L
= 15 pF (see Figure 15 and Figure 21)
C
L
= 15 pF (see Figure 15 and Figure 21)
720
1400
ns
C
L
= 15 pF (see Figure 15 and Figure 21)
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ADM3491ARZ-1 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Analog Devices 功能描述: |
| ADM3491ARZ-REEL | 功能描述:IC TXRX RS-485 HS FD 3.3 14SOIC 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 |
| ADM3491ARZ-REEL7 | 功能描述:IC TXRX RS-485 HS FD 3.3 14SOIC 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 |
| 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 |
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