FIGURE 1A. VOD AND V
參數(shù)資料
型號: ISL83084EIBZ
廠商: Intersil
文件頁數(shù): 19/19頁
文件大?。?/td> 0K
描述: IC TXRX RS485/422 5V 8-SOIC
標準包裝: 980
類型: 收發(fā)器
驅(qū)動器/接收器數(shù): 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: 8-SOIC(0.154",3.90mm 寬)
供應(yīng)商設(shè)備封裝: 8-SOICN
包裝: 管件
9
FN6085.9
April 22, 2008
Test Circuits and Waveforms
FIGURE 1A. VOD AND VOC
FIGURE 1B. VOD WITH COMMON MODE LOAD
FIGURE 1. DC DRIVER TEST CIRCUITS
FIGURE 2A. TEST CIRCUIT
FIGURE 2B. MEASUREMENT POINTS
FIGURE 2. DRIVER PROPAGATION DELAY AND DIFFERENTIAL TRANSITION TIMES
FIGURE 3A. TEST CIRCUIT
FIGURE 3B. MEASUREMENT POINTS
FIGURE 3. DRIVER ENABLE AND DISABLE TIMES (DOES NOT APPLY TO THE ISL83084E)
D
DE
DI
VCC
VOD
VOC
RL/2
Z
Y
D
DE
DI
VCC
VOD
375
Ω
375
Ω
Z
Y
RL = 60Ω
VCM
-7V TO +12V
D
DE
DI
VCC
SIGNAL
GENERATOR
CL = 100pF
RDIFF
Z
Y
CL = 100pF
OUT (Z)
3V
0V
1.5V
VOH
VOL
OUT (Y)
tPLH
tPHL
DIFF OUT (Y - Z)
tR
+VOD
-VOD
90%
tF
10%
DI
SKEW = |tPLH - tPHL|
D
DE
DI
Z
Y
VCC
GND
SW
PARAMETER OUTPUT
RE
DI
SW
CL (pF)
tHZ
Y/Z
X
1/0
GND
15
tLZ
Y/Z
X
0/1
VCC
15
tZH
Y/Z
0 (Note 8)
1/0
GND
100
tZL
Y/Z
0 (Note 8)
0/1
VCC
100
tZH(SHDN)
Y/Z
1 (Note 11)
1/0
GND
100
tZL(SHDN)
Y/Z
1 (Note 11)
0/1
VCC
100
SIGNAL
GENERATOR
500
Ω
CL
OUT (Y, Z)
3V
0V
1.5V
VOH
0V
VOH - 0.5V
tHZ
OUT (Y, Z)
VCC
VOL
VOL + 0.5V
tLZ
DE
OUTPUT HIGH
OUTPUT LOW
tZL, tZL(SHDN)
tZH, tZH(SHDN)
NOTE 10
2.3V
NOTES 8, 11
ISL83080E, ISL83082E, ISL83083E, ISL83084E, ISL83085E, ISL83086E, ISL83088E
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