参数资料
型号: MAX3291ESD+
厂商: Maxim Integrated Products
文件页数: 16/16页
文件大小: 0K
描述: IC TXRX RS485/422 14-SOIC
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 50
类型: 收发器
驱动器/接收器数: 1/1
规程: RS422,RS485
电源电压: 4.75 V ~ 5.25 V
安装类型: 表面贴装
封装/外壳: 14-SOIC(0.154",3.90mm 宽)
供应商设备封装: 14-SOIC
包装: 管件
产品目录页面: 1406 (CN2011-ZH PDF)
INPUTS
MAX3291/MAX3292
RS-485/RS-422 Transceivers with Preemphasis
for High-Speed, Long-Distance Communication
_______________________________________________________________________________________
9
R
B
RO
CL
ATE
A
VID
R
ZN
YP
ZP
YN
ZN
ZP
YP
YN
0 DIFFERENTIAL
tPRE
tPTND
80%
20%
50%
Figure 9. Receiver Propagation Delay Test Circuit
Figure 10. Preemphasis Timing
RE
DI
DE
1k
VCC
RO
MAX3291
MAX3292
Figure 11. Time-to-Shutdown Test Circuit
Function Tables
DI
RE
DE
1
X
1
INPUTS
Z
0
OUTPUTS
Y
1
TRANSMITTING
1
0
X
1
High-Z
High-Z and
SHUTDOWN
X
1
0
X
0
A-B
RE
DE
OUTPUT
RO
1
0
≤ -0.2V
0
X
1
High-Z and
SHUTDOWN
X
1
0
Open
0
X
≥ 0.2V
0
X
X = Don’t care
Z = High impedance
SHUTDOWN = Low-power shutdown; driver and receiver outputs are high impedance.
INPUTS
RECEIVING
High-Z
X
1
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MAX3291ESD+ 功能描述:RS-422/RS-485 接口 IC For Long-Distance Communication RoHS:否 制造商:Maxim Integrated 数据速率:1136 Kbps 工作电源电压:3 V to 5.5 V 电源电流:5.9 mA 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-28 封装:Tube
MAX3291ESD+T 功能描述:RS-422/RS-485 接口 IC For Long-Distance Communication RoHS:否 制造商:Maxim Integrated 数据速率:1136 Kbps 工作电源电压:3 V to 5.5 V 电源电流:5.9 mA 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-28 封装:Tube
MAX3291ESD-T 功能描述:RS-422/RS-485 接口 IC RoHS:否 制造商:Maxim Integrated 数据速率:1136 Kbps 工作电源电压:3 V to 5.5 V 电源电流:5.9 mA 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-28 封装:Tube
MAX3292CPD 功能描述:RS-422/RS-485 接口 IC RoHS:否 制造商:Maxim Integrated 数据速率:1136 Kbps 工作电源电压:3 V to 5.5 V 电源电流:5.9 mA 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-28 封装:Tube
MAX3292CPD+ 功能描述:RS-422/RS-485 接口 IC For Long-Distance Communication RoHS:否 制造商:Maxim Integrated 数据速率:1136 Kbps 工作电源电压:3 V to 5.5 V 电源电流:5.9 mA 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-28 封装:Tube