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參數資料
型號: ADM489ABRZ-REEL7
廠商: Analog Devices Inc
文件頁數: 11/16頁
文件大?。?/td> 0K
描述: IC TXRX RS485/422 DIFF 14SOIC
標準包裝: 1,000
類型: 收發(fā)器
驅動器/接收器數: 1/1
規(guī)程: RS422,RS485
電源電壓: 4.5 V ~ 5.5 V
安裝類型: 表面貼裝
封裝/外殼: 14-SOIC(0.154",3.90mm 寬)
供應商設備封裝: 14-SOICN
包裝: 帶卷 (TR)
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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