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ICL3237E

更新时间： 2024-09-19 14:57:51
品牌 Logo 应用领域
瑞萨 - RENESAS /
页数 文件大小 规格书
21页 317K
描述
±15KV ESD Protected, 1μA Supply-Current, +3V to +5.5V, 250kbps or 1000kbps, RS-232 Transmitters/Receivers

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ICL3237E 数据手册

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Datasheet  
ICL3237E  
±15kV ESD Protected, 10nA Supply-Current, +3V to +5.5V, 250k/1Mbps,  
RS-232 Transmitters/Receivers  
The ICL3237E contains 3.0V to 5.5V powered  
RS-232 transmitters/receivers that meet ElA/TIA-232  
Features  
• Pb-free (RoHS compliant)  
and V.28/V.24 specifications, even at V = 3.0V. It  
CC  
• ESD protection for RS-232 I/O pins to ±15kV  
(IEC61000)  
provides ±15kV ESD protection (IEC61000-4-2 Air  
Gap and Human Body Model) on transmitter outputs  
and receiver inputs (RS-232 pins). Targeted  
• Pin compatible replacement for MAX3237E  
• Pin selectable, ensured data rate: 250kbps/1Mbps  
applications are cell phones, PDAs, Palmtops, and  
notebook and laptop computers where the low  
operational power and even lower standby power  
consumption is critical. Efficient on-chip charge  
pumps coupled with the manual powerdown function  
reduce the standby supply current to a 10nA trickle.  
Small footprint packaging and the use of small, low  
value capacitors ensure board space savings. Data  
• Meets EIA/TIA-232 and V.28/V.24 specifications  
at 3V  
• RS-232 compatible with V = 2.7V  
CC  
• Latch-up free  
• On-chip voltage converters require only  
four external capacitors  
rates greater than 1Mbps (MBAUD = V ) are  
CC  
ensured at worst case load conditions. The ICL3237E  
is fully compatible with 3.3V only systems, mixed 3.3V  
and 5.0V systems, and 5.0V only systems.  
• Manual powerdown feature  
• Flow through pinout  
• Rx and Tx hysteresis for improved noise immunity  
• Rx active in powerdown; separate Rx Enable pin  
• Guaranteed minimum slew rate: 6V/µs or 24V/µs  
• Wide power supply range: Single +3V to +5.5V  
• Low supply current in powerdown state: 10nA  
The ICL3237E is a 5 driver, 3 receiver device that also  
includes a noninverting always-active receiver for  
“wake-up” capability.  
Table 1 summarizes the features of the ICL3237E.  
Application Note AN9863 summarizes the features of  
each device comprising the ICL32xx RS-232 3V  
family.  
Applications  
Related Literature  
• Any system requiring RS-232 communication ports  
For a full list of related documents, visit our website:  
• ICL3237E device page  
○ Battery powered, hand-held, and portable  
equipment  
○ Laptop computers, notebooks, and Palmtops  
○ Modems, printers and other peripherals  
○ Data cradles and cables  
○ Cellular/mobile phones  
Table 1.  
Summary of Features  
Automatic  
No. of  
Tx.  
No. of  
Rx.  
No. of Monitor  
Data Rate  
(kbps) (Note 1)  
Rx. Enable  
Function?  
Ready  
Output?  
Manual  
Powerdown?  
Powerdown  
Function?  
Part Number  
ICL3237E  
Note:  
Rx. (ROUTB  
)
5
3
1
250/1000  
Yes  
No  
Yes  
No  
1. Data rate is selectable with the MBAUD pin.  
FN6014 Rev.3.00  
Apr.26.19  
Page 1 of 21  
1234567...21

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