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MAX248EQH+ PDF预览

MAX248EQH+

更新时间: 2024-02-25 00:55:10
品牌 Logo 应用领域
美信 - MAXIM 线路驱动器或接收器驱动程序和接口接口集成电路
页数 文件大小 规格书
38页 367K
描述
5V-Powered, Multichannel RS-232 Drivers/Receivers

MAX248EQH+ 技术参数

是否无铅: 含铅是否Rohs认证: 不符合
生命周期:ObsoleteReach Compliance Code:not_compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.32差分输出:NO
驱动器位数:8高电平输入电流最大值:0.00005 A
接口集成电路类型:LINE TRANSCEIVERJESD-30 代码:S-PQCC-J44
JESD-609代码:e0湿度敏感等级:1
端子数量:44最高工作温度:85 °C
最低工作温度:-40 °C最小输出摆幅:10 V
最大输出低电流:0.0032 A封装主体材料:PLASTIC/EPOXY
封装代码:QCCJ封装等效代码:LDCC44,.7SQ
封装形状:SQUARE封装形式:CHIP CARRIER
峰值回流温度(摄氏度):NOT SPECIFIED电源:5 V
认证状态:Not Qualified最大接收延迟:1500 ns
子类别:Line Driver or Receivers最大压摆率:30 mA
标称供电电压:5 V表面贴装:YES
技术:CMOS温度等级:INDUSTRIAL
端子面层:Tin/Lead (Sn85Pb15)端子形式:J BEND
端子节距:1.27 mm端子位置:QUAD
处于峰值回流温度下的最长时间:NOT SPECIFIEDBase Number Matches:1

MAX248EQH+ 数据手册

 浏览型号MAX248EQH+的Datasheet PDF文件第1页浏览型号MAX248EQH+的Datasheet PDF文件第2页浏览型号MAX248EQH+的Datasheet PDF文件第3页浏览型号MAX248EQH+的Datasheet PDF文件第5页浏览型号MAX248EQH+的Datasheet PDF文件第6页浏览型号MAX248EQH+的Datasheet PDF文件第7页 
+5V-Powered, Multichannel RS-232  
Drivers/Receivers  
ELECTRICAL CHARACTERISTICS—MAX220/222/232A/233A/242/243 (continued)  
(V  
CC  
= +5V ±±0ꢀ, C±–C4 = 0.±µꢁF MAX220, C± = 0.047µꢁ, C2–C4 = 0.33µꢁ, T = T  
to T  
F unless otherwise noted.) (Note 3)  
MAX  
A
MIN  
PARAMETER  
CONDITIONS  
MIN  
TYP  
0.±  
0.6  
0.6  
MAX  
UNITS  
MAX222/MAX232A/MAX233/  
MAX242/MAX243  
1
3
1
t
t
, Figure 2  
, Figure 2  
PHLR  
PLHR  
MAX220  
Receiver Propagation Delay RS-232 to  
TLL (Normal Operation)  
μs  
MAX222/MAX232A/MAX233/  
MAX242/MAX243  
MAX220  
0.ꢀ  
0.±  
2.±  
12±  
160  
3
t
t
t
t
, Figure 2  
, Figure 2  
MAX242  
10  
Receiver Propagation Delay RS-232 to  
TLL (Shutdown)  
PHLS  
PHLS  
ER  
μs  
MAX242  
10  
Receiver-Output Enable Time  
Receiver-Output Disable Time  
MAX242, Figure 3  
MAX242, Figure 3  
±00  
±00  
ns  
ns  
DR  
MAX222/MAX242, 0.1μF  
caps (includes charge-pump  
start-up), Figure 4  
0–MAX249  
Transmitter-Output Enable Time  
(SHDN Goes High)  
t
2±0  
600  
μs  
ns  
ET  
DT  
Transmitter-Output Disable Time  
(SHDN Goes Low)  
MAX222/MAX242,  
0.1μF caps, Figure 4  
t
MAX222/MAX232A/MAX233/  
MAX242/MAX243  
300  
2000  
100  
Transmitter + to - Propagation Delay  
Difference (Normal Operation)  
t
t
- t  
ns  
ns  
PHLT PLHT  
MAX220  
MAX222/MAX232A/MAX233/  
MAX242/MAX243  
Receiver + to - Propagation Delay  
Difference (Normal Operation)  
- t  
PHLR PLHR  
MAX220  
22±  
Note 3: All units are production tested at hot. Specifications over temperature are guaranteed by design.  
Note 4: MAX243 R2OUT is guaranteed to be low when R2IN 0V or is unconnected.  
__________________________________________Typical Operating Characteristics  
MAX220/MAX222/MAX232A/MAX233A/MAX242/MAX243  
AVAILABLE OUTPUT CURRENT  
vs. DATA RATE  
MAX222/MAX242  
ON-TIME EXITING SHUTDOWN  
OUTPUT VOLTAGE vs. LOAD CURRENT  
10  
8
11  
10  
+10V  
1μF  
V+  
OUTPUT LOAD CURRENT  
FLOWS FROM V+ TO V-  
1μF CAPS  
EITHER V+ OR V- LOADED  
V+  
6
0.1μF CAPS  
+5V  
+5V  
ALL CAPS  
0.1μF  
V
= +5V  
CC  
9
8
7
6
5
4
4
1μF  
NO LOAD ON  
SHDN  
V
CC  
= +5.25V  
= +4.75V  
0V  
0V  
2
0
TRANSMITTER OUTPUTS  
(EXCEPT MAX220, MAX233A)  
ALL CAPS  
0.1μF  
V- LOADED, NO LOAD ON V+  
-2  
-4  
-6  
-8  
-10  
V
CC  
1μF CAPS  
0.1μF  
1μF  
0.1μF CAPS  
V-  
V-  
V+ LOADED, NO LOAD ON V-  
10 15 20 25  
LOAD CURRENT (mA)  
-10V  
0
5
0
10  
20  
30  
40  
50  
60  
500μs/div  
DATA RATE (kb/s)  
4
_______________________________________________________________________________________  

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