参数资料
型号: ADM489ABRMZ
厂商: Analog Devices Inc
文件页数: 11/16页
文件大小: 0K
描述: IC TXRX RS485/422 DIFF 10MSOP
标准包装: 50
类型: 收发器
驱动器/接收器数: 1/1
规程: RS422,RS485
电源电压: 4.5 V ~ 5.5 V
安装类型: 表面贴装
封装/外壳: 10-TFSOP,10-MSOP(0.118",3.00mm 宽)
供应商设备封装: 10-MSOP
包装: 管件
ADM488A/ADM489A
Rev. A | Page 4 of 16
TIMING SPECIFICATIONS
VCC = 5 V ± 10%. All specifications TMIN to TMAX, unless otherwise noted.
Table 2.
Parameter
Symbol
Min
Typ
Max
Unit
Test Conditions/Comments
DRIVER
Propagation Delay Input to Output
tPLH, tPHL
250
2000
ns
RL differential = 54 , CL1 = CL2 = 100 pF, see
Driver Output Skew
tSKEW
100
800
ns
RL differential = 54 , CL1 = CL2 = 100 pF, see
Driver Rise/Fall Time
tDR, tDF
250
2000
ns
RL differential = 54 , CL1 = CL2 = 100 pF, see
Driver Enable to Output Valid
tZL, tZH
250
2000
ns
RL = 500 , CL = 100 pF, see Figure 12, Figure 18
Driver Disable Timing
tLZ, tHZ
300
3000
ns
RL = 500 , CL = 15 pF, see Figure 12, Figure 18
Maximum Data Rate
250
kbps
RECEIVER
Propagation Delay Input to Output
tPLH, tPHL
250
2000
ns
Skew
|tPLH tPHL|
100
ns
Receiver Enable
tEN1
10
50
ns
RL = 1 k, CL = 15 pF, see Figure 14, Figure 19
Receiver Disable
tEN2
10
50
ns
RL = 1 k, CL = 15 pF, see Figure 14, Figure 19
Maximum Data Rate
250
kbps
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