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參數(shù)資料
| 型號： | SP3243EUCA-L/TR |
| 廠商： | Exar Corporation |
| 文件頁數(shù)： | 9/24頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC TXRX RS232 INTELLIGENT 28SSOP |
| 標準包裝： | 1,500 |
| 類型： | 收發(fā)器 |
| 驅動器/接收器數(shù)： | 3/5 |
| 規(guī)程： | RS232 |
| 電源電壓： | 3 V ~ 5.5 V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 28-SSOP（0.209"，5.30mm 寬） |
| 供應商設備封裝： | 28-SSOP |
| 包裝： | 帶卷 (TR) |
| 其它名稱： | SP3243EUCA-L/TR-ND |
Exar Corporation 48720 Kato Road, Fremont CA, 94538 510-668-7017 www.exar.com
SP3243E_102_060611
17
DEVICE PIN
HUMAN BODY
IEC61000-4-2
TESTED
MODEL
Air Discharge
Direct Contact
Level
Driver Outputs
+15kV
+8kV
4
Receiver Inputs
+15kV
+8kV
4
The circuit models in Figures 23 and 24 represent
the typical ESD testing circuit used for all three
methods. The C
S is initially charged with the DC
power supply when the first switch (SW1) is on.
Now that the capacitor is charged, the second
switch (SW2) is on while SW1 switches off. The
voltage stored in the capacitor is then applied
through R
S, the current limiting resistor, onto the
device under test (DUT). In ESD tests, the SW2
switch is pulsed so that the device under test
receives a duration of voltage.
For the Human Body Model, the current limiting
resistor (R
S) and the source capacitor (CS) are
1.5kan100pF,respectively. ForIEC-61000-4-2,
thecurrentlimitingresistor(R
S) and the source ca-
pacitor (C
S) are 330 an 150pF, respectively.
The higher C
S value and lower RS value in the
IEC61000-4-2 model are more stringent than the
Human Body Model. The larger storage capaci-
tor injects a higher voltage to the test point when
SW2 is switched on. The lower current limiting
resistor increases the current charge onto the
Figure 25. ESD Test Waveform for IEC61000-4-2
Figure 24. ESD Test Circuit for IEC61000-4-2
Table 4. Transceiver ESD Tolerance Levels
RS and RV add up to 330 for IEC61000-4-2.
RC
Device
Under
Test
DC Power
Source
CS
RS
SW1
SW2
RV
Contact-Discharge Model
t = 0ns
t = 30ns
0A
15A
30A
I→
t →
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| SP3243EUCR | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:High Speed Intelligent +3.0V to +5.5V RS-232 Transceivers |
| SP3243EUCR-L | 功能描述:RS-232接口集成電路 Transceivers 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 安裝風格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝: |
| SP3243EUCR-L/TR | 功能描述:RS-232接口集成電路 High Spd Intel. +3V to +5.5V RS-232 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 安裝風格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝: |
| SP3243EUCT | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:High Speed Intelligent +3.0V to +5.5V RS-232 Transceivers |
| SP3243EUCT/TR | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:High Speed Intelligent +3.0V to +5.5V RS-232 Transceivers |
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