參數(shù)資料
型號: MAX481
廠商: Maxim Integrated Products, Inc.
元件分類: RS-485
英文描述: Low-Power, Slew-Rate-Limited RS-485/RS-422 Transceivers
中文描述: 低功耗、限擺率、RS-485/RS-422收發(fā)器
文件頁數(shù): 10/19頁
文件大?。?/td> 439K
代理商: MAX481
M
Low-Power, Slew-Rate-Limited
RS-485/RS-422 Transceivers
10
______________________________________________________________________________________
_______________________________________________________Switching Waveforms
DI
3V
0V
Z
Y
V
O
0V
-V
O
V
O
1.5V
t
PLH
1/2 V
O
10%
t
R
90%
90%
t
PHL
1.5V
1/2 V
O
10%
t
F
V
DIFF
= V (Y) - V (Z)
V
DIFF
t
SKEW =
| t
PLH
- t
PHL
|
OUTPUT NORMALLY LOW
OUTPUT NORMALLY HIGH
3V
0V
Y, Z
V
OL
Y, Z
0V
1.5V
1.5V
V
OL
+0.5V
V
OH
-0.5V
2.3V
2.3V
t
ZL(SHDN)
, t
ZL
t
LZ
t
ZH(SHDN)
, t
ZH
t
HZ
DE
V
OH
V
OL
V
ID
-V
ID
1.5V
0V
1.5V
OUTPUT
INPUT
0V
RO
A-B
t
PLH
t
PHL
OUTPUT NORMALLY LOW
OUTPUT NORMALLY HIGH
3V
0V
V
CC
RO
RO
0V
1.5V
1.5V
V
OL
+ 0.5V
V
OH
- 0.5V
1.5V
1.5V
t
ZL(SHDN)
, t
ZL
t
LZ
t
ZH(SHDN)
, t
ZH
t
HZ
RE
_________________Function Tables
(MAX481/MAX483/MAX485/MAX487/MAX1487)
Figure 8. Driver Propagation Delays
Figure 9. Driver Enable and Disable Times (except MAX488 and
MAX490)
Figure 10. Receiver Propagation Delays
Figure 11. Receiver Enable and Disable Times (except MAX488
and MAX490)
Table 1. Transmitting
Table 2. Receiving
INPUTS
OUTPUT
RE
DE
A-B
RO
0
0
0
1
0
0
0
0
> +0.2V
< -0.2V
Inputs open
X
1
0
1
High-Z
*
X = Don't care
High-Z = High impedance
*
Shutdown mode for MAX481/MAX483/MAX487
INPUTS
OUTPUTS
RE
DE
DI
Z
Y
X
X
0
1
1
1
0
0
1
0
X
X
0
1
High-Z
High-Z
*
1
0
High-Z
High-Z
*
X = Don't care
High-Z = High impedance
*
Shutdown mode for MAX481/MAX483/MAX487
相關(guān)PDF資料
PDF描述
MAX481C Low-Power, Slew-Rate-Limited RS-485/RS-422 Transceivers
MAX481CPA Low-Power, Slew-Rate-Limited RS-485/RS-422 Transceivers
MAX481CSA Low-Power, Slew-Rate-Limited RS-485/RS-422 Transceivers
MAX481D Low-Power, Slew-Rate-Limited RS-485/RS-422 Transceivers
MAX4838EXT-T Overvoltage Protection Controllers with Status FLAG
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX4810CTN+ 功能描述:計時器和支持產(chǎn)品 Dual Uni/Bi-polar Digital Pulser RoHS:否 制造商:Micrel 類型:Standard 封裝 / 箱體:SOT-23 內(nèi)部定時器數(shù)量:1 電源電壓-最大:18 V 電源電壓-最小:2.7 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Reel
MAX4810CTN+T 功能描述:計時器和支持產(chǎn)品 Dual Uni/Bi-polar Digital Pulser RoHS:否 制造商:Micrel 類型:Standard 封裝 / 箱體:SOT-23 內(nèi)部定時器數(shù)量:1 電源電壓-最大:18 V 電源電壓-最小:2.7 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Reel
MAX4810EVKIT+ 功能描述:時鐘和定時器開發(fā)工具 MAX4810/11/12 Eval Kit RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Modules 類型:Clock Conditioners 工具用于評估:LMK04100B 頻率:122.8 MHz 工作電源電壓:3.3 V
MAX4811CTN+ 功能描述:計時器和支持產(chǎn)品 Dual Uni/Bi-polar Digital Pulser RoHS:否 制造商:Micrel 類型:Standard 封裝 / 箱體:SOT-23 內(nèi)部定時器數(shù)量:1 電源電壓-最大:18 V 電源電壓-最小:2.7 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Reel
MAX4811CTN+T 功能描述:計時器和支持產(chǎn)品 Dual Uni/Bi-polar Digital Pulser RoHS:否 制造商:Micrel 類型:Standard 封裝 / 箱體:SOT-23 內(nèi)部定時器數(shù)量:1 電源電壓-最大:18 V 電源電壓-最小:2.7 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Reel