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參數(shù)資料
| 型號(hào)： | A2TPMI337L5.5GXXOBA |
| 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(yè)數(shù)： | 6/21頁(yè) |
| 文件大小： | 329K |
| 代理商： | A2TPMI337L5.5GXXOBA |
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Datasheet
A2TPMI
A2TPMI Datasheet Rev4
Page 6 of 21
Rev. Oct 2003
Electrical Characteristics (continued)
Symbol Parameter
Min
Typ
Max
Unit
Conditions
V
oL
Low level output voltage
0.5
V
Output current
￡
2mA
V
oH
High level output voltage
V
DD
-
0.6V
V
output current
3
-2mA
Reference Voltage
V
Ref
Reference voltage
1.223
1.225
1.227
V
R
L
> 1M
W
, T
A
= 25
°
C
TC
VRef
Temperature coefficient of refer-
ence voltage
±
30
±
100
ppm K
-1
AC Characteristics
Unless otherwise indicated, all limits specified for
T
A
= 25
°
C, V
DD
= +5V
Symbol Parameter
Min
Typ
Max
Unit
Conditions
In
N
V1 Input referred voltage noise
120
nV/
Hz rms value
t
Strt
Response Time after Power On
1
s
t
lat
Latency time for V
Tobj
75
ms
t
resp
Response Time
90
150
ms
Thermopile Characteristics
Symbol Parameter
Min
Typ
Max
Unit
Conditions
3-type chip (TPS 33x)
S
Sensitive (absorber) area
0.7x0.7
mm
2
N
t
Noise voltage
38
nV/
Hz
Time constant
25
ms
V
Tobj
/ V
Tamb
Characteristics
The V
Tobj
and the
V
Tamb
characteristics of thermopile sensors depends not only on object and ambient
temperature but on several other factors like object size to spot size relation, ambient temperature com-
pensation behaviour or optical filter characteristics. Therefore it is not possible to specify a general V
Tobj
and V
Tamb
characteristic. Those
characteristics will be specified application specific in a separate cus-
tomer specification.
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