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參數(shù)資料
| 型號： | ADM4857AR |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 通用總線功能 |
| 英文描述： | 5 V Slew-Rate Limited Half- and Full-Duplex RS-485/RS-422 Transceivers |
| 中文描述： | LINE TRANSCEIVER, PDSO8 |
| 封裝： | MS-012AA, SOIC-8 |
| 文件頁數(shù)： | 4/16頁 |
| 文件大小： | 438K |
| 代理商： | ADM4857AR |
ADM4850–ADM4857
ADM4850/ADM4854 TIMING SPECIFICATIONS
V = 5 V ± 5%, T
A
= T
MIN
to T
MAX
, unless otherwise noted.
Table 3.
Parameter
DRIVER
Maximum Data Rate
Propagation Delay t
PLH
, t
PHL
Skew t
SKEW
Rise/Fall Time t
R
, t
F
Enable Time
Disable Time
Enable Time from Shutdown
RECEIVER
Propagation Delay t
PLH
, t
PH
Differential Skew t
SKEW
Enable Time
Disable Time
Enable Time from Shutdown
Time to Shut Down
Rev. 0 | Page 4 of 16
Min
115
600
600
400
50
Typ
4000
5
20
4000
330
Max
2500
70
2400
2000
2000
1000
255
50
50
3000
Unit
kbps
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Test Conditions/Comments
R
LDIFF
= 54 , C
L1
= C
L2
= 100 pF, Figure 6
R
LDIFF
= 54 , C
L1
= C
L2
= 100 pF, Figure 6
R
LDIFF
= 54 , C
L1
= C
L2
= 100 pF, Figure 6
R
L
= 500 , C
L
= 100 pF, Figure 7, ADM4850
R
L
= 500 , C
L
= 15 pF, Figure 7, ADM4850
R
L
= 500 , C
L
= 100 pF, Figure 7, ADM4850
C
L
= 15 pF, Figure 8
C
L
= 15 pF, Figure 8
R
L
= 1 k, C
L
= 15 pF, Figure 9, ADM4850
R
L
= 1 k, C
L
= 15 pF, Figure 9, ADM4850
R
L
= 1 k, C
L
= 15 pF, Figure 9, ADM4850
ADM4850
1
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.
ADM4851/ADM4855 TIMING SPECIFICATIONS
V = 5 V ± 5%, T
A
= T
MIN
to T
MAX
, unless otherwise noted.
Table 4.
Parameter
DRIVER
Maximum Data Rate
Propagation Delay t
PLH
, t
PHL
Skew t
SKEW
Rise/Fall Time t
R
, t
F
Enable Time
Disable Time
Enable Time from Shutdown
RECEIVER
Propagation Delay t
PLH
, t
PHL
Differential Skew t
SKEW
Enable Time
Disable Time
Enable Time from Shutdown
Time to Shut Down
Min
500
250
200
400
50
Typ
4000
5
20
4000
330
Max
600
40
600
1000
1000
1000
250
50
50
3000
Unit
kbps
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Test Conditions/Comments
R
LDIFF
= 54 , C
L1
= C
L2
= 100 pF, Figure 6
R
LDIFF
= 54 , C
L1
= C
L2
= 100 pF, Figure 6
R
LDIFF
= 54 , C
L1
= C
L2
= 100 pF, Figure 6
R
L
= 500 , C
L
= 100 pF, Figure 7, ADM4851
R
L
= 500 , C
L
= 15 pF, Figure 7, ADM4851
R
L
= 500 , C
L
= 100 pF, Figure 7, ADM4851
C
L
= 15 pF, Figure 8
C
L
= 15 pF, Figure 8
R
L
= 1 k, C
L
= 15 pF, Figure 9, ADM4851
R
L
=1 k, C
L
= 15 pF, Figure 9, ADM4851
R
L
=1 k, C
L
= 15 pF, Figure 9, ADM4851
ADM4851
1
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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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ADM4857AR-REEL | 制造商:AD 制造商全稱:Analog Devices 功能描述:5 V Slew-Rate Limited Half- and Full-Duplex RS-485/RS-422 Transceivers |
| ADM4857AR-REEL7 | 制造商:Rochester Electronics LLC 功能描述:2.5MBPS HALF DUPLEX 5V RS485 TRANS. I.C. - Tape and Reel 制造商:Analog Devices 功能描述: |
| ADM4857ARZ | 功能描述:IC TXRX RS-485422 10MBPS 8-SOIC RoHS:是 類別:集成電路 (IC) >> 接口 - 驅(qū)動器，接收器，收發(fā)器 系列:- 標準包裝:1 系列:- 類型:線路收發(fā)器 驅(qū)動器/接收器數(shù):5/3 規(guī)程:RS232 電源電壓:3 V ~ 5.5 V 安裝類型:表面貼裝 封裝/外殼:28-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:28-SOIC 包裝:Digi-Reel® 產(chǎn)品目錄頁面:918 (CN2011-ZH PDF) 其它名稱:296-25096-6 |
| ADM4857ARZ-REEL7 | 功能描述:IC TXRX RS485/422 10MBPS 8SOIC RoHS:是 類別:集成電路 (IC) >> 接口 - 驅(qū)動器，接收器，收發(fā)器 系列:- 標準包裝:121 系列:- 類型:收發(fā)器 驅(qū)動器/接收器數(shù):1/1 規(guī)程:RS422，RS485 電源電壓:3 V ~ 3.6 V 安裝類型:表面貼裝 封裝/外殼:10-WFDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:10-DFN（3x3） 包裝:管件 |
| ADM485AN | 功能描述:IC TX/RX SINGLE RS-485 5V 8DIP RoHS:否 類別:集成電路 (IC) >> 接口 - 驅(qū)動器，接收器，收發(fā)器 系列:- 標準包裝:121 系列:- 類型:收發(fā)器 驅(qū)動器/接收器數(shù):1/1 規(guī)程:RS422，RS485 電源電壓:3 V ~ 3.6 V 安裝類型:表面貼裝 封裝/外殼:10-WFDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:10-DFN（3x3） 包裝:管件 |
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