参数资料
型号: MAX3380EEUP+T
厂商: Maxim Integrated Products
文件页数: 14/14页
文件大小: 0K
描述: IC TXRX RS232 460KBPS 20-TSSOP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
类型: 收发器
驱动器/接收器数: 2/2
规程: RS232
电源电压: 2.4 V ~ 5.5 V
安装类型: 表面贴装
封装/外壳: 20-TSSOP(0.173",4.40mm 宽)
供应商设备封装: 20-TSSOP
包装: 带卷 (TR)
MAX3380E/MAX3381E
+2.35V to +5.5V, 1A, 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.
VL Logic Supply Input
Unlike other RS-232 interface devices where the receiv-
er outputs swing between 0 and VCC, the MAX3380E/
MAX3381E feature a separate logic supply input (VL)
that sets VOH for the receiver and INVALID outputs. VL
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
μA 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
VL
0
V+
V-
VCC
0
INVALID
OUTPUT
TRANSMITTER
INPUTS
RECEIVER
INPUTS
}
INVALID
REGION
TRANSMITTER
OUTPUTS
tAUTOSHDN
tWU
tINVL
tINVH
tAUTOSHDN
Figure 4. AutoShutdown Plus/INVALID Timing Diagram
Figure 3. AutoShutdown Trip Levels
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相关代理商/技术参数
参数描述
MAX3381ECUP 功能描述:RS-232接口集成电路 RoHS:否 制造商:Exar 数据速率:52 Mbps 工作电源电压:5 V 电源电流:300 mA 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:LQFP-100 封装:
MAX3381ECUP+ 功能描述:RS-232接口集成电路 2.35-5.5V 1uA 2Tx/Rx 460Kbps Transceiver RoHS:否 制造商:Exar 数据速率:52 Mbps 工作电源电压:5 V 电源电流:300 mA 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:LQFP-100 封装:
MAX3381ECUP+T 功能描述:RS-232接口集成电路 2.35-5.5V 1uA 2Tx/Rx 460Kbps Transceiver RoHS:否 制造商:Exar 数据速率:52 Mbps 工作电源电压:5 V 电源电流:300 mA 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:LQFP-100 封装:
MAX3381ECUP-T 功能描述:RS-232接口集成电路 RoHS:否 制造商:Exar 数据速率:52 Mbps 工作电源电压:5 V 电源电流:300 mA 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:LQFP-100 封装:
MAX3381EEUP 功能描述:RS-232接口集成电路 RoHS:否 制造商:Exar 数据速率:52 Mbps 工作电源电压:5 V 电源电流:300 mA 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:LQFP-100 封装: