參數(shù)資料
型號(hào): MAX3281EAUT-T
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: 通用總線功能
英文描述: 【15kV ESD-Protected 52Mbps, 3V to 5.5V, SOT23 RS-485/RS-422 True Fail-Safe Receivers
中文描述: LINE RECEIVER, PDSO6
封裝: ROHS COMPLIANT, MO178, SOT-23, 6 PIN
文件頁數(shù): 8/11頁
文件大小: 218K
代理商: MAX3281EAUT-T
M
±15kV ESD-Protected 52Mbps, 3V to 5.5V, SOT23
RS-485/RS-422 True Fail-Safe Receivers
8
_______________________________________________________________________________________
Test Circuits/Timing Diagrams (continued)
CHARGE-CURRENT
LIMIT RESISTOR
DISCHARGE
RESISTANCE
STORAGE
CAPACITOR
Cs
100pF
R
C
1M
R
D
1.5k
HIGH-
VOLTAGE
DC
SOURCE
DEVICE
UNDER
TEST
Figure 3a. Human Body ESD Test Model
I
P
100%
90%
36.8%
t
RL
TIME
t
DL
CURRENT WAVEFORM
PEAK-TO-PEAK RINGING
(NOT DRAWN TO SCALE)
Ir
10%
0
0
AMPERES
Figure 3b. Human Body Model Current Waveform
CHARGE-CURRENT
LIMIT RESISTOR
DISCHARGE
RESISTANCE
STORAGE
CAPACITOR
Cs
150pF
R
C
50
to 100
R
D
330
HIGH-
VOLTAGE
DC
SOURCE
DEVICE
UNDER
TEST
Figure 4a. IEC 1000-4-2 ESD Test Model
tr = 0.7ns to 1ns
30ns
60ns
t
100%
90%
10%
I
P
I
Figure 4b. IEC 1000-4-2 ESD Generator Current Waveform
10ns
A, 1V/div
RO, 2.5V/div
B = GND
Figure 5. Receiver Propagation Delay Driven by External RS-
485 Device
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