參數(shù)資料
型號(hào)： ADM4855
廠商： Analog Devices, Inc.
元件分類(lèi)： RS-485
英文描述： 5 V Slew-Rate Limited Half- and Full-Duplex RS-485/RS-422 Transceivers
中文描述： 5伏擺率限制半和全雙工RS-485/RS-422收發(fā)器
文件頁(yè)數(shù)： 4/16頁(yè)
文件大?。?/td> 438K
代理商： ADM4855
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.
相關(guān)PDF資料
PDF描述
ADM4855AR 5 V Slew-Rate Limited Half- and Full-Duplex RS-485/RS-422 Transceivers
ADM4855AR-REEL7 TRANS, VN2222L, FET
ADM4856 MOSFET, N, TO-92; Transistor type:MOSFET; Current, Id cont:0.47A; Resistance, Rds on:2R; Case style:TO-92; Current, Idm pulse:1A; Pins, No. of:3; Pitch, lead:2.54mm; Power dissipation:0.8W; Power, Pd:0.8W; Temperature, RoHS Compliant: Yes
ADM4856AR TRANSISTOR,MOSFET,N-CHANNEL,60V V(BR)DSS,470MA I(D),TO-226AA RoHS Compliant: Yes
ADM4857 MOSFET; Drain Source Voltage, Vds:60V; Continuous Drain Current, Id:0.115A; On-Resistance, Rds(on):7.5ohm; Rds(on) Test Voltage, Vgs:10V; Drain-Source Breakdown Voltage:60V; Gate-Source Voltage:2.5V; Leaded Process Compatible:No RoHS Compliant: No
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ADM4855AR 制造商:Analog Devices 功能描述:Single Transmitter/Receiver RS-485 8-Pin SOIC N 制造商:Rochester Electronics LLC 功能描述:115KBPS FULL DUPLEX 5V RS485 TRANS. I.C. - Bulk
ADM4855AR-REEL 制造商:AD 制造商全稱(chēng):Analog Devices 功能描述:5 V Slew-Rate Limited Half- and Full-Duplex RS-485/RS-422 Transceivers
ADM4855AR-REEL7 功能描述:IC TXRX RS485/422 500KBPS 8SOIC RoHS:否 類(lèi)別:集成電路 (IC) >> 接口 - 驅(qū)動(dòng)器，接收器，收發(fā)器 系列:- 標(biāo)準(zhǔn)包裝:121 系列:- 類(lèi)型:收發(fā)器 驅(qū)動(dòng)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(lèi)型:表面貼裝 封裝/外殼:10-WFDFN 裸露焊盤(pán) 供應(yīng)商設(shè)備封裝:10-DFN（3x3） 包裝:管件
ADM4855ARZ 功能描述:IC TXRX RS-485422 500KBPS 8-SOIC RoHS:是 類(lèi)別:集成電路 (IC) >> 接口 - 驅(qū)動(dòng)器，接收器，收發(fā)器 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 類(lèi)型:線(xiàn)路收發(fā)器 驅(qū)動(dòng)器/接收器數(shù):5/3 規(guī)程:RS232 電源電壓:3 V ~ 5.5 V 安裝類(lèi)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(yè)面:918 (CN2011-ZH PDF) 其它名稱(chēng):296-25096-6
ADM4856 制造商:AD 制造商全稱(chēng):Analog Devices 功能描述:5 V Slew-Rate Limited Half- and Full-Duplex RS-485/RS-422 Transceivers
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