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AS432
1.24V Precision Adjustable Shunt Reference
Functional Block Diagram
–
+
REFERENCE
(R)
ANODE (A)
CATHODE (K)
1.24 V
–
+
Absolute Maximum Ratings
Parameter
Symbol
Rating
Units
Cathode-Anode Reverse Breakdown
VKA
18
V
Anode-Cathode Forward Current
IAK
1A
Operating Cathode Current
IKA
100
mA
Reference Input Current
IREF
1mA
Continuous Power at 25°C
PD
TO-92
775
mW
8L SOIC
750
mW
SOT-89
1000
mW
SOT-23/3L/5L
200
mW
Junction Temperature
TJ
150
°C
Storage Temperature
TSTG
–65 to 150
°C
Lead Temperature (Soldering 10 sec.)
TL
300
°C
Stresses greater than those listed under ABSOLUTE MAXIMUM RATINGS may cause permanent damage to the device. This is a
stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational sec-
tions of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect reliability.
Recommended Conditions
Parameter
Symbol
Rating
Unit
Cathode Voltage
VKA
VREF to 18
V
Cathode Current
IK
10
mA
Typical Thermal Resistances
Package
θ
JA
θ
JC
Typical Derating
TO-92
160°C/W
80°C/W
6.3 mW/°C
SOIC
175°C/W
45°C/W
5.7 mW/°C
SOT-89
110°C/W
8°C/W
9.1 mW/°C
SOT-23/5L
575°C/W
150°C/W
1.7 mW/°C