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发表于 2010-5-4 13:16:33
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同意 3232 是3.3V 到 5V宽电压的
有很多型号,有带15KV ESD 的低功耗的。
更多可以直接去 TI的网站上查,现在全都是中文了,查好了直接点击需要样片,公司邮件地址一输入就OK啦~~
运费都不用你说,说什么时候到就什么时候到~~
到这里看
http://focus-webapps.ti.com.cn/cn/general/docs/sitesearch/searchdevice.tsp;jsessionid=VH1H34UCJL4VTQC1JAVSM4Q?partNumber=3232
MAX3232E
产品信息
特性
ESD Protection for RS-232 Bus Pins
±15 kV (HBM)
±8 kV (IEC61000-4-2, Contact Discharge)
±15 kV (IEC61000-4-2, Air-Gap Discharge)
Meets or Exceeds the Requirements of TIA/EIA-232-F and ITU v.28 Standards
Operates With 3-V to 5.5-V VCC Supply
Operates up to 250 kbit/s
Two Drivers and Two Receivers
Low Supply Current . . . 300 µA Typ
External Capacitors . . . 4 × 0.1 µF
<font size=8>Accepts 5-V Logic Input With 3.3-V Supply</font>
Pin Compatible to Alternative High-Speed Device (1 Mbit/s)
SNx5C3232
APPLICATIONS
Battery-Powered Systems
PDAs
Notebooks
Laptops
Palmtop PCs
Hand-Held Equipment |
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