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參數(shù)資料
| 型號(hào)： | A2TPMI337AOBA |
| 廠商： | PerkinElmer Inc. |
| 英文描述： | Thermopile with integrated signal processing circuit |
| 中文描述： | 熱電集成了信號(hào)處理電路 |
| 文件頁數(shù)： | 14/21頁 |
| 文件大?。?/td> | 329K |
| 代理商： | A2TPMI337AOBA |
Datasheet
A2TPMI
A2TPMI Datasheet Rev4
Page 14 of 21
Rev. Oct 2003
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.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| A2TPMI337AOBC | 制造商:PERKINELMER 制造商全稱:PerkinElmer Optoelectronics 功能描述:Thermopile with integrated signal processing circuit |
| A2TPMI337AOBV | 制造商:PERKINELMER 制造商全稱:PerkinElmer Optoelectronics 功能描述:Thermopile with integrated signal processing circuit |
| A2TPMI337AOCA | 制造商:PERKINELMER 制造商全稱:PerkinElmer Optoelectronics 功能描述:Thermopile with integrated signal processing circuit |
| A2TPMI337AOCC | 制造商:PERKINELMER 制造商全稱:PerkinElmer Optoelectronics 功能描述:Thermopile with integrated signal processing circuit |
| A2TPMI337AOCV | 制造商:PERKINELMER 制造商全稱:PerkinElmer Optoelectronics 功能描述:Thermopile with integrated signal processing circuit |
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