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AS2431A1DT

Description
1-OUTPUT TWO TERM VOLTAGE REFERENCE, 2.495V, PDSO8, SOIC-8
CategoryPower/power management    The power supply circuit   
File Size83KB,8 Pages
ManufacturerEmerson Embedded Power
Download Datasheet Parametric View All

AS2431A1DT Overview

1-OUTPUT TWO TERM VOLTAGE REFERENCE, 2.495V, PDSO8, SOIC-8

AS2431A1DT Parametric

Parameter NameAttribute value
MakerEmerson Embedded Power
Parts packaging codeSOIC
package instructionSOP,
Contacts8
Reach Compliance Codeunknown
ECCN codeEAR99
Other featuresOUTPUT VOLTAGE ADJUSTABLE FROM 2.495V TO 18V
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 voltage2.54 V
Minimum output voltage2.45 V
Nominal output voltage2.495 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
SEMICONDUCTOR
AS2431
Precision Adjustable Shunt Reference
Description
The AS2431 is a three-terminal adjustable shunt regulator providing a highly accu-
rate bandgap reference. The adjustable shunt regulator is ideal for a wide variety
of linear applications that can be implemented using external components to
obtain adjustable currents and voltages.
In the standard shunt configuration, the combination of low temperature coeffi-
cient (TC), sharp turn-on characteristics, low output impedance and program-
mable output voltage make this precision reference an excellent error amplifier.
The AS2431 is a direct replacement for the AS431 in low voltage, low current appli-
cations. It is also available in the very small footprint SOT-23.
Features
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Temperature-compensated: 15 ppm/¡C
Trimmed bandgap reference
Internal amplifier with 100 mA capability
Multiple temperature ranges
Low frequency dynamic output impedance:
< 450 m½
Low output noise
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-23/3L (VS)
CATHODE
CATHODE
ANODE
REFERENCE
ANODE
REFERENCE
Ordering Information
AS2431 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
D = –55°C to +125°C
Bandgap Tolerance:
=
±2%
2
=
±1%
1
R4 =
±0.4%
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
LP = TO-92
S = SOT-89
VS = SOT-23/3L
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