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MAX248EQH+ PDF预览

MAX248EQH+

更新时间: 2024-02-18 21:03:52
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6页浏览型号MAX248EQH+的Datasheet PDF文件第7页浏览型号MAX248EQH+的Datasheet PDF文件第8页浏览型号MAX248EQH+的Datasheet PDF文件第10页浏览型号MAX248EQH+的Datasheet PDF文件第11页浏览型号MAX248EQH+的Datasheet PDF文件第12页 
+5V-Powered, Multichannel RS-232  
Drivers/Receivers  
0–MAX249  
ELECTRICAL CHARACTERISTICS—MAX225/MAX244–MAX249 (continued)  
(MAX225, V  
= +5.0V ±5ꢀ; MAX244–MAX249, V  
= +5.0V ±±0ꢀ, external capacitors C±–C4 = ±µꢁ; T = T  
to T  
; unless  
MAX  
CC  
CC  
A
MIN  
otherwise noted.) (Note 7)  
PARAMETER  
CONDITIONS  
MIN  
TYP  
MAX UNITS  
POWER SUPPLY AND CONTROL LOGIC  
MAX225  
4.75  
4.5  
5.25  
V
Supply Voltage Range  
MAX244–MAX249  
MAX225  
5.5  
±0  
±±  
40  
57  
8
20  
No load  
MAX244–MAX249  
MAX225  
30  
V
CC  
Supply Current  
mA  
(Normal Operation)  
3kΩ loads on  
all outputs  
MAX244–MAX249  
T
T
= +25°C  
25  
µA  
50  
A
Shutdown Supply Current  
Control Input  
= T  
to T  
MAX  
A
MIN  
Leakage current  
Logic-low voltage  
±±  
µA  
±.4  
±.4  
0.8  
V
Logic-high voltage  
2.4  
5
AC CHARACTERISTICS  
C = 50pꢁ to 2500pꢁ, R = 3kΩ to 7kΩ, V = +5V,  
L
A
L
CC  
Transition Slew Rate  
±0  
30  
V/µs  
µs  
T = +25°C, measured from +3V to -3V or -3V to +3V  
t
t
t
t
t
t
, ꢁigure ±  
, ꢁigure ±  
, ꢁigure 2  
, ꢁigure 2  
, ꢁigure 2  
, ꢁigure 2  
±.3  
±.5  
0.6  
0.6  
0.6  
3.0  
3.5  
3.5  
±.5  
±.5  
±0  
PHLT  
PLHT  
PHLR  
PLHR  
PHLS  
PLHS  
Transmitter Propagation Delay  
TLL to RS-232 (Normal Operation)  
Receiver Propagation Delay  
TLL to RS-232 (Normal Operation)  
µs  
µs  
Receiver Propagation Delay  
TLL to RS-232 (Low-Power Mode)  
±0  
Transmitter + to - Propagation  
Delay Difference (Normal Operation)  
t
- t  
350  
350  
ns  
ns  
PHLT PLHT  
Receiver + to - Propagation  
Delay Difference (Normal Operation)  
t
- t  
PHLR PLHR  
Receiver-Output EnableTime  
Receiver-Output DisableTime  
t
t
, ꢁigure 3  
±00  
±00  
500  
500  
ns  
ns  
ER  
, ꢁigure 3  
DR  
MAX246–MAX249  
(excludes charge-pump startup)  
5
µs  
Transmitter Enable Time  
Transmitter Disable Time  
t
t
ET  
MAX225/MAX245–MAX249  
(includes charge-pump startup)  
±0  
ms  
ns  
, ꢁigure 4  
±00  
DT  
Note 7: All units production tested at hot. Specifications over temperature are guaranteed by design.  
Note 8: The 300Ω minimum specification complies with EIA/TIA-232E, but the actual resistance when in shutdown mode or V  
=
CC  
0V is ±0MΩ as is implied by the leakage specification.  
_______________________________________________________________________________________  
9

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