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參數(shù)資料
| 型號(hào)： | MAX3209E |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | ±15kV ESD-Protected, EMC Compliant, 460kbps RS-232 Serial Port for Motherboards/Desktop PCs(±15kV ESD保護(hù),兼容EMC,460kbps RS-232串行端口（6發(fā)10收，用于主板和桌面電腦)) |
| 中文描述： | ±15kV ESD保護(hù)、12V、雙路RS-232串口，帶有低功耗待機(jī)模式，適用于主板/臺(tái)式機(jī) |
| 文件頁數(shù)： | 5/10頁 |
| 文件大小： | 247K |
| 代理商： | MAX3209E |
Detailed Description
±15kV ESD Protection
As with all Maxim devices, ESD-protection structures
are incorporated on all pins to protect against electro-
static discharges (ESD) encountered during handling
and assembly. The MAX3209E driver outputs and
receiver inputs have extra protection against static
electricity found in normal operation. Maxim
’
s engineers
developed state-of-the-art structures to protect these
pins against ±15kV ESD, without damage. After an ESD
event, the MAX3209E continues working without latchup.
ESD protection can be tested in several ways. The
transmitter outputs and receiver inputs are character-
ized for protection to the following:
1) ±15kV using the Human Body Model
2) ±8kV using the Contact-Discharge Method specified
in IEC 1000-4-2 (formerly IEC 801-2)
3) ±15kV using the Air-Gap Method specified in
IEC 1000-4-2 (formerly IEC 801-2)
ESD Test Conditions
ESD performance depends on a number of conditions.
Contact Maxim for a reliability report that documents
test setup, methodology, and results.
Human Body Model
Figure 2a shows the Human Body Model, and Figure
2b shows the current waveform it generates when dis-
charged into a low impedance. This model consists of a
100pF capacitor charged to the ESD voltage of interest,
M
±15kV ESD-Protected, 12V, Dual RS-232 Serial Port
with Low-Power Standby for Motherboards/Desktops
_______________________________________________________________________________________
5
t
F2
t
F1
t
PHL
t
PLH
t
R1
t
R2
1.5V
3.0V
0
0
DRIVER
INPUT
V
OUT
V
OH
V
OL
3.3V
3.0V
-3.0V
-3.3V
R
L
C
L
SIGNAL
GENERATOR
Figure 1. Slew-Rate Test Circuit and Timing Diagram
CHARGE-CURRENT
LIMIT RESISTOR
DISCHARGE
RESISTANCE
STORAGE
CAPACITOR
Cs
100pF
R
C
1M
R
D
1500
HIGH-
VOLTAGE
DC
SOURCE
DEVICE
UNDER
TEST
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
CHARGE-CURRENT
LIMIT RESISTOR
DISCHARGE
RESISTANCE
STORAGE
CAPACITOR
Cs
150pF
R
C
50M
to 100M
R
D
330
HIGH-
VOLTAGE
DC
SOURCE
DEVICE
UNDER
TEST
Figure 3a. IEC 1000-4-2 ESD Test Model
Figure 2b. Human Body Model Current Waveform
Figure 2a. Human Body ESD Test Model
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| MAX3209ECUU | 功能描述:RS-232接口集成電路 RoHS:否 制造商:Exar 數(shù)據(jù)速率:52 Mbps 工作電源電壓:5 V 電源電流:300 mA 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝: |
| MAX3209ECUU+ | 功能描述:RS-232接口集成電路 12V 2Ch RS-232 Serial Port RoHS:否 制造商:Exar 數(shù)據(jù)速率:52 Mbps 工作電源電壓:5 V 電源電流:300 mA 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝: |
| MAX3209ECUU+T | 功能描述:RS-232接口集成電路 12V 2Ch RS-232 Serial Port RoHS:否 制造商:Exar 數(shù)據(jù)速率:52 Mbps 工作電源電壓:5 V 電源電流:300 mA 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝: |
| MAX3209ECUU-T | 功能描述:RS-232接口集成電路 RoHS:否 制造商:Exar 數(shù)據(jù)速率:52 Mbps 工作電源電壓:5 V 電源電流:300 mA 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝: |
| MAX3209EEUU | 功能描述:RS-232接口集成電路 RoHS:否 制造商:Exar 數(shù)據(jù)速率:52 Mbps 工作電源電壓:5 V 電源電流:300 mA 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝: |
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