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參數(shù)資料
| 型號： | MAX3387E |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | +3.0V to +5.5V, 10nA, 250kbps RS-232 Transceivers with ±15kV ESD-Protected I/O and Logic Pins I1(+3.0V至+5.5V,10nA,帶 ±15kV ESD保護接口和邏輯引腳，250kbps RS-232 收發(fā)器（3收3發(fā)）) |
| 中文描述： | 3V、±15kV ESD保護、AutoShutdown Plus RS-232收發(fā)器，用于PDA和蜂窩電話 |
| 文件頁數(shù)： | 9/14頁 |
| 文件大?。?/td> | 237K |
| 代理商： | MAX3387E |
M
3V, ±15kV ESD-Protected, AutoShutdown Plus
RS-232 Transceiver for PDAs and Cell Phones
_______________________________________________________________________________________
9
V
CC
0
V+
V-
V
CC
0
INVALID
OUTPUT
TRANSMITTER
INPUTS
RECEIVER
INPUTS
}
INVALID
REGION
TRANSMITTER
OUTPUTS
t
AUTOSHDN
t
WU
t
WU
t
INVL
t
INVH
t
AUTOSHDN
Figure 3b. AutoShutdown Plus/
INVALID
Timing Diagram
Software-Controlled Shutdown
If direct software control is desired,
INVALID
can be
used to indicate a DTR or ring indicator signal. Connect
FORCEOFF
and FORCEON together to bypass
AutoShutdown so the line acts like a
SHDN
input.
±15kV ESD Protection
As with all Maxim devices, ESD-protection structures
are incorporated on all pins to protect against electro-
static discharges (ESDs) encountered during handling
and assembly. The MAX3387E driver outputs and
receiver inputs have extra protection against static
electricity. Maxim has developed state-of-the-art struc-
tures to protect these pins against ESD of ±15kV with-
out damage. The ESD structures withstand high ESD in
all states: normal operation, shutdown, and powered
down. After an ESD event, Maxim’s “E” version devices
keep working without latchup, whereas competing RS-
232 products can latch and must be powered down to
remove latchup. ESD protection can be tested in vari-
ous ways. The transmitter outputs and receiver inputs
of this product family are characterized for protection to
the following limits:
1) ±15kV using the Human Body Model
2) ±8kV using the Contact-Discharge method specified
in IEC 1000-4-2
3) ±15kV using IEC 1000-4-2’s Air-Gap method
FORCEON
MASTER SHDN LINE
0.1μF
1M
FORCEOFF
MAX3387E
POWER-
MANAGEMENT
UNIT
Figure 4. AutoShutdown with Initial Turn-On to Wake Up a
System
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX3387ECUG | 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: |
| MAX3387ECUG+ | 功能描述:RS-232接口集成電路 3V Transceiver for PDAs & Cells 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: |
| MAX3387ECUG+ | 制造商:Maxim Integrated Products 功能描述:IC RS-232 TXRX 250KBPS 5.5V TSSOP-24 |
| MAX3387ECUG+T | 功能描述:RS-232接口集成電路 3V Transceiver for PDAs & Cells 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: |
| MAX3387ECUG-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: |
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