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| 型号： | ADM3493ARZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 7/12页 |
| 文件大小： | 0K |
| 描述： | IC TXRX RS-422/485 3.3V 8-SOIC |
| 标准包装： | 98 |
| 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： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SO |
| 包装： | 管件 |
| 产品目录页面： | 790 (CN2011-ZH PDF) |
ADM3493
Rev. 0 | Page 4 of 12
TIMING SPECIFICATIONS
VCC = 3.3 V, TA = 25°C, unless otherwise noted.
Table 2.
Parameter
Min
Typ
Max
Units
Test Conditions/Comments
DRIVER
Differential Output Delay, tDD
600
900
1400
ns
RL = 60 Ω
(see Figure 6 and Figure 12)
Differential Output Transition Time, tTD
400
700
1200
ns
RL = 60 Ω
(see Figure 6 and Figure 12)
Propagation Delay, Low-to-High Level, tPLH
700
1000
1500
ns
RL = 27 Ω
Propagation Delay, High-to-Low Level, tPHL
700
1000
1500
ns
RL = 27 Ω
100
ns
DRIVER OUTPUT ENABLE/DISABLE TIMES
Output Enable Time to Low Level, tPZL
900
1300
ns
RL = 110 Ω
Output Enable Time to High Level, tPZH
600
800
ns
RL = 110 Ω
Output Disable Time from High Level, tPHZ
50
80
ns
RL = 110 Ω
(see Figure 8 and Figure 14)
Output Disable Time from Low Level, tPLZ
50
80
ns
RL = 110 Ω
Output Enable Time from Shutdown to
Low Level, tPSL
1.9
2.7
μs
RL = 110 Ω
Output Enable Time from Shutdown to
High Level, tPSH
2.2
3.0
μs
RL = 110 Ω
RECEIVER
Time to Shutdown2, tSHDN
80
190
300
ns
Propagation Delay, Low-to-High Level, tRPLH
25
75
180
ns
and Figure 16)
Propagation Delay, High-to-Low Level, tRPHL
25
75
180
ns
and Figure 16)
|tPLH – tPHL| Propagation Delay Skew, tRPDS
50
ns
and Figure 16)
RECEIVER OUTPUT ENABLE/DISABLE TIMES
Output Enable Time to Low Level, tPRZL
25
50
ns
Output Enable Time to High Level, tPRZH
25
50
ns
Output Disable Time from High Level, tPRHZ
25
45
ns
Output Disable Time from Low Level, tPRLZ
25
45
ns
Output Enable Time from Shutdown to
Low Level, tPRSL
720
1400
ns
Output Enable Time from Shutdown to
High Level, tPRSH
720
1400
ns
1 Measured on |tPLH (A) tPHL (A)| and |tPLH (B) tPHL (B)|.
2 The transceivers are put into shutdown by bringing 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 inputs are in this state for at least 300 ns, the parts are guaranteed to enter shutdown.
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| ADM3493ARZ | 制造商:Analog Devices 功能描述:RS-485 TRANCEIVER IC |
| ADM3493ARZ-REEL7 | 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: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 |
| ADM383 | 制造商:AD 制造商全称:Analog Devices 功能描述:5 V Low Power, Slew-Rate Limited RS-485/RS-422 Transceiver |
| ADM401-1/12VDC | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Analog IC |
| ADM401-1/24VDC | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Analog IC |
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