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A2TPMI334AG9OCV 参数 Datasheet PDF下载

A2TPMI334AG9OCV图片预览
型号: A2TPMI334AG9OCV
PDF下载: 下载PDF文件 查看货源
内容描述: 热电堆集成信号处理电路 [Thermopile with integrated signal processing circuit]
分类和应用:
文件页数/大小: 21 页 / 317 K
品牌: PERKINELMER [ PERKINELMER OPTOELECTRONICS ]
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Datasheet A2TPMI  
LATCHUP AVOIDANCE  
Junction isolated CMOS circuits inherently include a parasitic 4 layer (PNPN) structure which has char-  
acteristics similar to a thyristor (SCR). Under certain circumstances this junction may be triggered into a  
low impedance state, resulting in excessive supply current, which can thermally destroy the circuit.  
To avoid this condition, no voltage greater than 0.3 V beyond the supply rails should be applied to any  
pin. In general the ATPMI supplies must be established either at the same time or before any signals  
are applied to the inputs. If this is not possible the drive circuits must limit the input current flow to  
maximum 5mA to avoid latchup. In general the device has to be operated with a 100 nF capacitor in  
parallel to the power supply.  
SOLDERING  
The TPMI is a lead-free component and fully complies with the ROHS regulations, especially with exist-  
ing roadmaps of lead-free soldering. The terminations of the TPMI sensor consist of nickel plated Kovar  
and gold finish. Hand soldering is recommended.  
A2TPMI Datasheet Rev4  
Page 14 of 21  
Rev. Oct 2003  
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