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參數(shù)資料
| 型號(hào)： | MAX3225E |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | ±15kV ESD-Protected, 1μA, 1Mbps, 3.0V to 5.5V,RS-232 Transceivers with AutoShutdown Plus(±15kV ESD保護(hù),1μA, 1Mbps, 3.0V至5.5V,帶自動(dòng)關(guān)斷功能，RS-232收發(fā)器（2收2發(fā)）) |
| 中文描述： | ±15kV ESD保護(hù)、1µA、1Mbps、3.0V至5.5V、RS-232收發(fā)器，提供AutoShutdown Plus |
| 文件頁數(shù)： | 11/20頁 |
| 文件大?。?/td> | 428K |
| 代理商： | MAX3225E |
wake up when a valid receiver level is detected (same
functionality as AutoShutdown feature on MAX3221E/
MAX3223E/MAX3243E).
A mouse or other system with AutoShutdown Plus may
need time to wake up. Figure 5 shows a circuit that
forces the transmitters on for 100ms, allowing enough
time for the other system to realize that the MAX3244E/
MAX3245E is awake. If the other system outputs valid
RS-232 signal transitions within that time, the RS-232
ports on both systems remain enabled.
Software-Controlled Shutdown
If direct software control is desired, use
INVALID
to
indicate DTR or Ring Indicator signal. Tie
FORCEOFF
and FORCEON together to bypass the AutoShutdown
Plus 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 electrostatic
discharges encountered during handling and assembly.
The driver outputs and receiver inputs of the
MAX3224E
–
MAX3227E/MAX3244E/MAX3245E have extra
protection against static electricity. Maxim
’
s engineers
have developed state-of-the-art structures to protect
these pins against ESD of ±15kV without damage. The
ESD structures withstand high ESD in all states: normal
operation, shutdown, and powered down. After an ESD
event, Maxim
’
s E versions keep working without
latchup, whereas competing RS-232 products can
latch and must be powered down to remove latchup.
M
±15kV ESD-Protected, 1μA, 1Mbps, 3.0V to 5.5V,
RS-232 Transceivers with AutoShutdown Plus
______________________________________________________________________________________
11
V
CC
0
0
V+
V-
V
CC
0
INVALID
OUTPUT
OUTPUT
TRANSMITTER
INPUTS
RECEIVER
INPUTS
}
INVALID
REGION
*MAX3224E
–
MAX3227E
TRANSMITTER
OUTPUTS
*V
CC
t
AUTOSHDN
t
WU
t
WU
t
INVL
t
INVH
t
AUTOSHDN
Figure 4b. AutoShutdown Plus,
INVALID,
and READY Timing Diagram
FORCEON
MASTER SHDN LINE
0.1μF
1M
FORCEOFF
MAX3224E
MAX3225E
MAX3226E
MAX3227E
MAX3244E
MAX3245E
POWER-
MANAGEMENT
UNIT
Figure 5. AutoShutdown Plus Initial Turn-On to Wake Up a
Mouse or Another System
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MAX3227E | ±15kV ESD-Protected, 1μA, 1Mbps, 3.0V to 5.5V,RS-232 Transceivers with AutoShutdown Plus(±15kV ESD保護(hù),1μA, 1Mbps, 3.0V至5.5V,帶自動(dòng)關(guān)斷功能，RS-232收發(fā)器（1收1發(fā)）) |
| MAX3228E-MAX3229E | 5V High-Speed RS-232 Transceivers with 0.1uF Capacitors |
| MAX3228E | 【15kV ESD-Protected @.5V to %.5V RS-232 Transceivers in UCSP |
| MAX3228EEBV | 【15kV ESD-Protected @.5V to %.5V RS-232 Transceivers in UCSP |
| MAX3232 | 3.0V to 5.5V, Low-Power, up to 1Mbps, True RS-232 Transceivers Using Four 0.1μF External Capacitors(3V~5.5V,關(guān)閉方式下接收器有效,120kbps，RS-232收發(fā)器) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX3225EAAP | 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: |
| MAX3225EAAP+ | 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: |
| MAX3225EAAP+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: |
| MAX3225EAAP-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: |
| MAX3225EAP | 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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