VCC = 5 V ± 5%, T
參數(shù)資料
型號(hào)： ADM483JRZ
廠商： Analog Devices Inc
文件頁(yè)數(shù)： 11/16頁(yè)
文件大?。?/td> 0K
描述： IC TXRX RS-485/422 5V LP 8SOIC
標(biāo)準(zhǔn)包裝： 98
類型： 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： 4.75 V ~ 5.25 V
安裝類型： 表面貼裝
封裝/外殼： 8-SOIC（0.154"，3.90mm 寬）
供應(yīng)商設(shè)備封裝： 8-SO
包裝： 管件
ADM483
Rev. 0 | Page 4 of 16
TIMING SPECIFICATIONS
VCC = 5 V ± 5%, TA = TMIN to TMAX, unless otherwise noted.
Table 2.
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
DRIVER
Maximum Data Rate
250
kbps
Propagation Delay tPLH, tPHL
250
800
2000
ns
RLDIFF = 54 , CL1 = CL2 = 100 pF, Figure 5
Skew tSKEW
100
800
ns
RLDIFF = 54 , CL1 = CL2 = 100 pF, Figure 5
Rise/Fall Time tR, tF
200
2000
ns
RLDIFF = 54 , CL1 = CL2 = 100 pF, Figure 5
Enable Time
125
2000
ns
RL = 500 , CL = 100 pF, Figure 6
Disable Time
125
3000
ns
RL = 500 , CL = 15 pF, Figure 6
Enable Time from Shutdown
5000
ns
RL = 500 , CL = 100 pF, Figure 6
RECEIVER
Propagation Delay tPLH, tPHL
250
2000
ns
CL = 15 pF, Figure 7
Differential Skew tSKEW
100
ns
CL = 15 pF, Figure 7
Enable Time
20
50
ns
RL = 1 k, CL = 15 pF, Figure 8
Disable Time
20
50
ns
RL = 1 k, CL = 15 pF, Figure 8
Enable Time from Shutdown
5000
ns
RL = 1 k, CL = 15 pF, Figure 8
Time to Shutdown1
50
330
3000
ns
1 The 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 have entered shutdown mode.
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