參數(shù)資料
型號: ISL83490IB
廠商: INTERSIL CORP
元件分類: 通用總線功能
英文描述: 3.3V, Low Power, High Speed or Slew Rate Limited, RS-485/RS-422 Transceivers
中文描述: LINE TRANSCEIVER, PDSO8
封裝: PLASTIC, MS-012AA, SOIC-8
文件頁數(shù): 8/17頁
文件大?。?/td> 536K
代理商: ISL83490IB
8
Test Circuits and Waveforms
FIGURE 1A. V
OD
AND V
OC
FIGURE 1B. V
OD
WITH COMMON MODE LOAD
FIGURE 1. DC DRIVER TEST CIRCUITS
FIGURE 2A. DIFFERENTIAL TEST CIRCUIT
FIGURE 2B. MEASUREMENT POINTS
FIGURE 2C. SINGLE ENDED TEST CIRCUIT
FIGURE 2. DRIVER PROPAGATION DELAY AND DIFFERENTIAL TRANSITION TIMES
D
DE
DI
V
CC
V
OD
V
OC
R
L
/2
R
L
/2
Z
Y
D
DE
DI
V
CC
V
OD
375
375
Z
Y
R
L
= 60
V
CM
-7V to +12V
D
DE
DI
3V
SIGNAL
GENERATOR
C
L
= 15pF
R
DIFF
= 60
Z
Y
C
L
= 15pF
OUT (Y)
3V
0V
t
PLH
1.5V
1.5V
V
OH
V
OL
50%
50%
t
PHL
OUT (Z)
t
PHL
V
OH
V
OL
50%
50%
t
PLH
DIFF OUT (Y - Z)
t
R
+V
OD
-V
OD
90%
90%
t
F
10%
10%
DI
t
DD
50%
t
DD
50%
SKEW = |t
PLH
(Y or Z) - t
PHL
(Z or Y)|
D
DE
DI
3V
SIGNAL
GENERATOR
Z
Y
C
L
= 15pF
R
L
= 27
V
OM
OUT
V
OH
+ V
OL
2
1.5V
V
OM
=
ISL83483, ISL83485, ISL83488, ISL83490, ISL83491
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