AS1431 ETC, AS1431 Datasheet - Page 3

• Manufacturer Part Number: AS1431
• Description: Precision Adjustable Shunt Reference
• Manufacturer: ETC

Precision Adjustable Shunt Reference
Electrical Characteristics
Electrical Characteristics are guaranteed over full junction temperature range (Ð55 to 125¡C). Ambient temperature must be derated
based on power dissipation and package thermal characteristics. The conditions are: V
Parameter
Reference Voltage
ÆV
Ratio of Change in V
Cathode Voltage
Reference Input Current
I
Min I
Off State Leakage
Dynamic Output Impedance
*Calculating Average Temperature Coefficient (TC)
Average Temperature Coefficient
ASTEC Semiconductor
REF
REF
Temp Deviation
K
for Regulation
with Temp*
5000
0
0.5
REF
0
to
–10
–20
0
–55 –25
Symbol
ÆV
I
ÆI
V
I
K(min)
I
Z
TC
K(off)
REF
REF
REF
KA
REF
0.06 mV/ C
0.002%/ C
24 ppm/ C
0
T
Over temp.
ÆV
R
Over temp.
V
V
f ² 1 kHz
I
K
Temperature ( C)
A
1
REF
KA
= 1 to 100 mA
K
= 25¡C
= 10 k ½; R
= 36 V
25
Test Condition
= 3 V to 36 V
V
= 0 V,
REF
50
T
2
75
= °
100 125
3
2.490
2.470
Min.
Ð2
KA
• TC in mV/ C =
• TC in %/ C =
• TC in ppm/ C =
2.500
Typ.
0.06
Ð1.1
0.04
0.15
= V
0.7
0.4
0.4
REF
and I
2.510
2.530
Max.
0.16
K
500
V
1.9
1.2
0.2
1
REF
= 10 mA unless otherwise stated.
V
V
REF
REF
V
at 25 C
T
REF
A
V
(mV)
at 25 C
REF
T
A
mV/¡C
T
mV/V
Unit
A
mA
X 100
µA
µA
nA
½
V
V
X 10
6
AS1431
Circuit
1
1
1
2
2
2
1
3
1