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參數(shù)資料
| 型號： | MAX3385ECWN |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 通用總線功能 |
| 英文描述： | 【15kV ESD-Protected, 3.0V to 5.5V, Low-Power, up to 250kbps, True RS-232 Transceiver |
| 中文描述： | LINE TRANSCEIVER, PDSO18 |
| 封裝： | 0.300 INCH, MS-013AB, SOIC-18 |
| 文件頁數(shù)： | 9/14頁 |
| 文件大?。?/td> | 257K |
| 代理商： | MAX3385ECWN |
M
+2.35V to +5.5V, 1μA, 2Tx/2Rx RS-232 Transceivers
with ±15kV ESD-Protected I/O and Logic Pins
_______________________________________________________________________________________
9
By connecting FORCEON and
FORCEOFF
to
INVALID
,
the MAX3380E/MAX3381E are shut down when no valid
receiver level is detected.
V
L
Logic Supply Input
Unlike other RS-232 interface devices where the receiv-
er outputs swing between 0 and V
CC
, the MAX3380E/
MAX3381E feature a separate logic supply input (V
L
)
that sets V
OH
for the receiver and
INVALID
outputs. V
L
also sets the threshold for the transmitter inputs,
FORCEON and
FORCEOFF
. This feature allows a great
deal of flexibility in interfacing to many different types of
systems with different logic levels. Connect this input to
+2.7V
+0.3V
0
-0.3V
-2.7V
TRANSMITTERS ENABLED, INVALID HIGH
INDETERMINATE
AutoShutdown, TRANSMITTERS DISABLED,
1
μ
A SUPPLY CURRENT INVALID LOW
INDETERMINATE
TRANSMITTERS ENABLED, INVALID HIGH
POWERDOWN*
AUTOSHDN
FORCEOFF
FORCEON
* POWERDOWN IS ONLY AN INTERNAL SIGNAL.
IT CONTROLS THE OPERATIONAL STATUS OF
THE TRANSMITTERS AND THE POWER SUPPLIES.
Figure 2d. Power-Down Logic
AUTOSHDN
R_IN
T_IN
R
S
30s
TIMER
EDGE
DETECT
EDGE
DETECT
FORCEOFF
FORCEON
Figure 2c. AutoShutdown Plus Logic
V
L
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 4. AutoShutdown Plus/
INVALID
Timing Diagram
Figure 3. AutoShutdown Trip Levels
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MAX3381ECUP | +2.35V to +5.5V, 1レA, 2Tx/2Rx RS-232 Transceivers with 【15kV ESD-Protected I/O and Logic Pins |
| MAX3381EEUP | +2.35V to +5.5V, 1レA, 2Tx/2Rx RS-232 Transceivers with 【15kV ESD-Protected I/O and Logic Pins |
| MAX3380EEUP | +2.35V to +5.5V, 1レA, 2Tx/2Rx RS-232 Transceivers with 【15kV ESD-Protected I/O and Logic Pins |
| MAX3380E | +2.35V to +5.5V, 1レA, 2Tx/2Rx RS-232 Transceivers with 【15kV ESD-Protected I/O and Logic Pins |
| MAX3380E-MAX3381E | +2.35V to +5.5V, 1レA, 2Tx/2Rx RS-232 Transceivers with 【15kV ESD-Protected I/O and Logic Pins |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX3385ECWN+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: |
| MAX3385ECWN-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: |
| MAX3385EEAP | 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: |
| MAX3385EEAP+ | 制造商:Maxim Integrated Products 功能描述:LINE TRANSMITTER/RCVR 2TR 2TX 2RX 20SSOP - Rail/Tube |
| MAX3385EEAP+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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