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| 型号： | ADM4857ARZ-REEL7 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 12/16页 |
| 文件大小： | 0K |
| 描述： | IC TXRX RS485/422 10MBPS 8SOIC |
| 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： | 4.75 V ~ 5.25 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： | 带卷 (TR) |
ADM4850/ADM4851/ADM4852/ADM4853/ADM4854/ADM4855/ADM4856/ADM4857
Rev. D | Page 5 of 16
ADM4852/ADM4856 TIMING SPECIFICATIONS
VCC = 5 V ± 5%, TA = TMIN to TMAX, unless otherwise noted.
Table 5.
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
DRIVER
Maximum Data Rate
2.5
Mbps
Propagation Delay, tPLH, tPHL
50
180
ns
Skew, tSKEW
50
ns
Rise/Fall Times, tR, tF
140
ns
Enable Time, tZH
180
ns
Disable Time, tZL
180
ns
Enable Time from Shutdown
4000
ns
RECEIVER
Propagation Delay, tPLH, tPHL
55
190
ns
Differential Skew, tSKEW
50
ns
Enable Time
5
50
ns
Disable Time
20
50
ns
Enable Time from Shutdown
4000
ns
Time to Shutdown
50
330
3000
ns
1 The half-duplex device is put into shutdown mode by driving RE high and DE low. If these inputs are in this state for less than 50 ns, the device is guaranteed not to
enter shutdown mode. If the enable inputs are in this state for at least 3000 ns, the device is guaranteed to enter shutdown mode.
ADM4853/ADM4857 TIMING SPECIFICATIONS
VCC = 5 V ± 5%, TA = TMIN to TMAX, unless otherwise noted.
Table 6.
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
DRIVER
Maximum Data Rate
10
Mbps
Propagation Delay, tPLH, tPHL
0
30
ns
Skew, tSKEW
10
ns
Rise/Fall Times, tR, tF
30
ns
Enable Time, tZH
35
ns
Disable Time, tZL
35
ns
Enable Time from Shutdown
4000
ns
RECEIVER
Propagation Delay, tPLH, tPHL
55
190
ns
Differential Skew, tSKEW
30
ns
Enable Time
5
50
ns
Disable Time
20
50
ns
Enable Time from Shutdown
4000
ns
Time to Shutdown
50
330
3000
ns
1 The half-duplex device is put into shutdown mode by driving RE high and DE low. If these inputs are in this state for less than 50 ns, the device is guaranteed not to
enter shutdown mode. If the enable inputs are in this state for at least 3000 ns, the device is guaranteed to enter shutdown mode.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ADM485AN | 功能描述:IC TX/RX SINGLE RS-485 5V 8DIP 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: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 |
| ADM485ANZ | 功能描述:IC TX/RX SINGLE RS-485 5V 8DIP 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:* |
| ADM485ANZ | 制造商:Analog Devices 功能描述:RS-485 IC |
| ADM485ANZ1 | 制造商:AD 制造商全称:Analog Devices 功能描述:Meets EIA RS-485 standard |
| ADM485AQ | 制造商:Rochester Electronics LLC 功能描述:RS-485 I/F TRANSCEIVER - Bulk |
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