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參數資料
| 型號： | AS1431DR4LP7 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Precision Adjustable Shunt Reference |
| 中文描述： | 精密可調并聯(lián)參考 |
| 文件頁數： | 3/8頁 |
| 文件大小： | 81K |
| 代理商： | AS1431DR4LP7 |
3
ASTEC Semiconductor
AS1431
Precision Adjustable Shunt Reference
Electrical Characteristics
Electrical Characteristics are guaranteed over full junction temperature range (D55 to 125C). Ambient temperature must be derated
based on power dissipation and package thermal characteristics. The conditions are: V
KA
= V
REF
and I
K
= 10 mAunless otherwise stated.
Parameter
Symbol
Test Condition
Min.
Typ.
Max.
Unit
Circuit
Reference Voltage
V
REF
T
A
= 25C
2.490
2.500
2.510
V
1
Over temp.
2.470
2.530
V
1
V
REF
with Temp*
TC
0.06
0.16
mV/C
1
Ratio of Change in V
REF
to
Cathode Voltage
V
REF
V
K
= 3 V to 36 V
D2
D1.1
mV/V
2
Reference Input Current
I
REF
R
1
= 10 k ; R
2
= °
0.7
1.9
μA
2
I
REF
Temp Deviation
I
REF
Over temp.
0.4
1.2
μA
2
Min I
K
for Regulation
I
K(min)
0.4
1
mA
1
Off State Leakage
I
K(off)
V
REF
= 0 V,
V
KA
= 36 V
0.04
500
nA
3
Dynamic Output Impedance
Z
KA
f 2 1 kHz
I
K
= 1 to 100 mA
0.15
0.2
1
*Calculating Average Temperature Coefficient (TC)
0
–10
–20
0.5
5000
0
0
–55 –25
0
25
50
75
100
125
0.06 mV/
°
C
0.002%/
°
C
24 ppm/
°
C
p
m
%
V
REF
T
Temperature (
°
C)
TC in mV/
°
C =
TC in %/
°
C =
T
A
T
A
X 100
V
REF
(mV)
V
REF
at 25
°
C
V
REF
TC in ppm/
°
C =
T
A
X 10
6
V
REF
at 25
°
C
V
REF
Average Temperature Coefficient
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