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AS431A2DA

Description
1-OUTPUT TWO TERM VOLTAGE REFERENCE, 2.49V, PDSO8, SOIC-8
CategoryPower/power management    The power supply circuit   
File Size88KB,8 Pages
ManufacturerEmerson Embedded Power
Download Datasheet Parametric View All

AS431A2DA Overview

1-OUTPUT TWO TERM VOLTAGE REFERENCE, 2.49V, PDSO8, SOIC-8

AS431A2DA Parametric

Parameter NameAttribute value
Parts packaging codeSOIC
package instructionSOP,
Contacts8
Reach Compliance Codeunknown
ECCN codeEAR99
Other featuresOUTPUT VOLTAGE ADJUSTABLE FROM 2.49V TO 20V
Analog Integrated Circuits - Other TypesTWO TERMINAL VOLTAGE REFERENCE
JESD-30 codeR-PDSO-G8
length4.9 mm
Number of functions1
Output times1
Number of terminals8
Maximum operating temperature70 °C
Minimum operating temperature
Maximum output voltage2.569 V
Minimum output voltage2.43 V
Nominal output voltage2.49 V
Package body materialPLASTIC/EPOXY
encapsulated codeSOP
Package shapeRECTANGULAR
Package formSMALL OUTLINE
Certification statusNot Qualified
Maximum seat height1.75 mm
surface mountYES
Temperature levelCOMMERCIAL
Terminal formGULL WING
Terminal pitch1.27 mm
Terminal locationDUAL
Fine-tuning/adjustable outputYES
width3.9 mm
Base Number Matches1
SEMICONDUCTOR
AS431
Precision Adjustable Shunt Reference
Description
The AS431 is a three-terminal adjustable shunt regulator providing a highly
accurate bandgap reference. The adjustable shunt regulator is ideal for a wide
variety of linear applications that can be implemented using external compo-
nents to obtain adjustable currents and voltages.
In the standard shunt configuration, the combination of low temperature coef-
ficient (TC), sharp turn-on characteristics, low output impedance and pro-
grammable output voltage make this precision reference a perfect zener diode
replacement.
The AS431 precision adjustable shunt reference is offered in four bandgap tol-
erances: ±0.25%, ±0.5%, ±1.0%, and ±2.0%.
Features
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Temperature-compensated: 30 ppm/¡C
Trimmed bandgap reference
Internal amplifier with 150 mA capability
Multiple temperature ranges
Low frequency dynamic output impedance:
< 150 m½
Low output noise
Robust ESD protection
Pin Configuration Ñ
Top view
TO-92 (LP)
CATHODE
CATHODE
ANODE
ANODE
REFERENCE
ANODE
N/C
2
3
4
1
SOIC (D)
8
7
6
5
REFERENCE
ANODE
ANODE
N/C
SOT-89 (S)
SOT-23/5L (DBV)
N/C
N/C
CATHODE
REFERENCE
CATHODE
ANODE
ANODE
REFERENCE
Ordering Information
AS431 A 2 D 7
Circuit Type:
Precision Adjustable
Shunt Regulator
Temperature Range:
A = 0°C to 70°C
B = 0°C to 105°C
C = –40°C to +85°C
Bandgap Tolerance:
2 =
±2%
1 =
±1%
R5 =
±0.5%
R25 =
±0.25%
Packaging Option:
A = Ammo Pack
B = Bulk
T = Tube
7 = Tape and Reel (7" Reel Dia)
13 = Tape and Reel (13" Reel Dia)
Package Style:
D = SOIC
DBV = SOT-23/5L
LP = TO-92
S = SOT-89
ASTEC Semiconductor
1
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