參數(shù)資料
型號: MAX3430CSA+
廠商: Maxim Integrated Products
文件頁數(shù): 12/13頁
文件大?。?/td> 0K
描述: IC TXRX RS-485 3.3V 8-SOIC
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 100
類型: 收發(fā)器
驅(qū)動器/接收器數(shù): 1/1
規(guī)程: RS485
電源電壓: 3 V ~ 3.6 V
安裝類型: 表面貼裝
封裝/外殼: 8-SOIC(0.154",3.90mm 寬)
供應(yīng)商設(shè)備封裝: 8-SOIC
包裝: 管件
產(chǎn)品目錄頁面: 1407 (CN2011-ZH PDF)
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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