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AS1004 Datasheet(PDF) 3 Page - Astec America, Inc

No. de Pieza. AS1004
Descripción  Micropower Voltage Reference
Descarga  8 Pages
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Fabricante  ASTEC [Astec America, Inc]
Página de inicio  http://www.astecinc.com/
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AS1004 Datasheet(HTML) 3 Page - Astec America, Inc

   
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Micropower Voltage Reference
AS1004
ASTEC Semiconductor
31
Electrical Characteristics
Electrical Characteristics are guaranteed over full junction temperature range (0 to 70
° C). Ambient temperature must be derated based
on power dissipation and package thermal characteristics.
AS1004-1.2
AS1004-2.5
Parameter
Symbol
Test Condition
Min
Typ
Max
Min
Typ
Max
Unit
Reverse Breakdown Voltage
VZ
IZ = 100
µA, TJ = 25° C
1.231
1.235
1.239
2.480
2.500
2.520
V
0
° C ≤ TA ≤ 70° C
1.225
1.235
1.245
2.470
2.500
2.530
V
Average Temperature
∆VZ /∆TImin ≤ IZ ≤ 20 mA
20
60
ppm/
°C
Coefficient
Minimum Operating Current
IZ (min)
410
12
20
µA
Reverse Breakdown Voltage
∆VZ /∆IZ
Imin
≤ IZ ≤ 1 mA
0.5
1
0.5
1
mV
Change With Current
Over Temperature
0.5
1.5
0.5
1.5
mV
1 mA
≤ IZ ≤ 20 mA
6.5
10
6.5
10
mV
Over Temperature
6.5
20
6.5
20
mV
Reverse Dynamic Impedance ZZ
IZ = 100 mA, f = 25 Hz
0.2
0.6
0.8
0.9
Over Temperature
1
1.5
1.5
Wide Band Noise
en
IZ = 100
µA
10 Hz
≤ f ≤ 10 KHz
60
60
µV
Long Term Stability
∆VZ /∆TIZ = 100 µA
TA = 25
° C ± 0.1° C
20
60
ppm/kH
AS1004-1.2 Reference Voltage vs.
Ambient Temperature
Figure 1
Figure 2
Typical Performance Curves
5000
0.5
00
0
0
∆VREF
∆T
-5
-10
10
20
30
40
50
60 70
Temperature (°C)
0.025 mV/ °C
0.002 %/ °C
20 ppm/ °C
Average Temperature Coefficient =
∆VREF
∆T
Calculating Average Temperature
Coefficient for the AS1004-1.2 Reference
TA – Ambient Temperature (
°C)
1.225
1.230
1.235
1.240
1.245
–55
–15
25
85
125
–35
5
45
65
105
IZ = 100
µA


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