参数资料
型号: ADM1486ARZ-REEL7
厂商: Analog Devices Inc
文件页数: 11/16页
文件大小: 0K
描述: IC TXRX RS-485 PRO-BUS 5V 8SOIC
标准包装: 1,000
类型: 收发器
驱动器/接收器数: 1/1
规程: 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)
ADM1486
Rev. A | Page 4 of 16
TIMING SPECIFICATIONS
VCC = 5 V ±5%. All specifications TMIN to TMAX, unless otherwise noted.
Table 2.
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
DRIVER
Propagation Delay Input to Output tPLH, tPHL
4
11
17
ns
RLDIFF = 54 , CL1 = CL2 = 100 pF, see Figure 5
11
13
ns
RLDIFF = 54 , CL1 = CL2 = 100 pF @ TA = 25°C
Driver O/P to O/P tSKEW
0.5
2
ns
RLDIFF = 54 , CL1 = CL2 = 100 pF, see Figure 51
Driver Rise/Fall Time tR, tF
8
15
ns
RLDIFF = 54 , CL1 = CL2 = 100 pF, see Figure 5
Driver Enable to Output Valid tZH, tZL
9
15
ns
RL = 110 , CL = 50 pF, see Figure 6
Driver Disable Timing tHZ, tLZ
9
15
ns
RL = 110 , CL = 50 pF, see Figure 6
Matched Enable Switching
| tAZH tBZL |, | tBZH tAZL |
1
3
ns
RL = 110 , CL = 50 pF, see Figure 6
Matched Disable Switching
| tAHZ tBLZ |, | tBHZ tALZ |
2
5
ns
RL = 110 , CL = 50 pF, see Figure 6
RECEIVER
Propagation Delay Input to Output tPLH, tPHL
6
12
20
ns
CL = 15 pF, see Figure 7
Skew | tPLH tPHL |
0.4
2
ns
CL = 15 pF1, see Figure 7
Receiver Enable tZH, tZL
7
13
ns
CL = 15 pF, RL = 1 k, see Figure 8
Receiver Disable tHZ, tLZ
7
13
ns
CL = 15 pF, RL = 1 k, see Figure 8
1 Guaranteed by characterization.
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