参数资料
型号: MAX3430CSA+T
厂商: Maxim Integrated Products
文件页数: 12/13页
文件大小: 0K
描述: IC TXRX RS-485 3.3V 8-SOIC
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: 1/1
规程: RS485
电源电压: 3 V ~ 3.6 V
安装类型: 表面贴装
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
供应商设备封装: 8-SOIC
包装: 带卷 (TR)
MAX3430
±80V Fault-Protected, Fail-Safe,
1/4-Unit Load, +3.3V RS-485 Transceiver
8
_______________________________________________________________________________________
Pin Description
PIN
NAME
FUNCTION
1
RO
Receiver Output
2
RE
Receiver Output Enable. RO is enabled when RE is low; RO is high impedance when RE is high. The
device enters a low-power shutdown mode if RE is high and DE is low.
3DE
Driver Output Enable. Driving DE high enables the driver outputs. Pulling DE low puts the driver
outputs in a high-impedance state. If RE is high and DE is low, the device enters a low-power
shutdown mode. If the driver outputs are enabled, the device functions as a line driver, and when
they are high impedance it functions as a line receiver if RE is low.
4DI
Driver Input. A logic low on DI forces output A low and output B high, while a logic high on DI forces
output A high and output B low.
5
GND
Ground
6
A
Noninverting Receiver Input/Driver Output
7
B
Inverting Receiver Input/Driver Output
8VCC
Positive Supply, VCC = +3.3V ±10%. Bypass VCC to GND with a 0.1F ceramic capacitor.
Function Tables
Table 1. Transmitting
INPUTS
OUTPUTS
RE
DE
DI
B
A
MODE
X
1
0
1
Normal
X
1
0
1
0
Normal
0
X
High-Z
Normal
1
0
X
High-Z
Shutdown
Table 2. Receiving
INPUTS
OUTPUTS
RE
DE
(A - B)
RO
MODE
00
≥ -50mV
1
Normal
00
≤ -200mV
0
Normal
00
Inputs
open
1
Normal
1
0
X
High-Z
Shutdown
X = Don’t care.
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MAX3430ESA 功能描述:RS-485接口IC RoHS:否 制造商:Texas Instruments 数据速率:250 Kbps 工作电源电压:3.3 V 电源电流:750 uA 工作温度范围:- 40 C to + 125 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube
MAX3430ESA/GG8 功能描述:RS-485接口IC 80V Fault-Protected Fail-Safe 1/4-Unit Load +3.3V RS-485 Transceiver RoHS:否 制造商:Texas Instruments 数据速率:250 Kbps 工作电源电压:3.3 V 电源电流:750 uA 工作温度范围:- 40 C to + 125 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube