AMS4040 MICROPOWER SHUNT VOLTAGE REFERENCE APPLICATIONS
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Tight Output Voltage Tolerance Output Noise Operating Current 250µA 100mA Dynamic Impedance Temperature Coefficient Available sub-miniature SOT-23 Package 1.2V Device AMS4041) also available
AMS4040
MICROPOWER SHUNT VOLTAGE REFERENCE
APPLICATIONS
Battery Powered Systems Instrumentation Energy Management Automotive Precision Audio Components Product Testing Data Acquisition Systems
GENERAL DESCRIPTION
AMS4040 two-terminal micropower band-gap voltage reference diode featuring very dynamic impedance good temperature coefficient, operating over 250µA 100mA current range. On-chip trimming used provide tight voltage tolerance. Since AMS4040 band-gap reference uses only transistors resistors, noise good long term stability result. wide dynamic operating range allows with widely varying supplies with excellent regulation. extremely power drain AMS4040 makes these reference diodes useful micropower circuitry. These voltage references used make portable meters, regulators general purpose analog circuitry with battery life approaching shelf life. AMS4040 operational full industrial temperature range -40°C +85°and available small space saving TO-92, SO-8, SOT-89 SOT-23 packages.
ORDERING INFORMATION:
TOL. ±0.25% ±0.5% ±1.0% TO-92 AMS4040AN AMS4040BN AMS4040CN PACKAGE TYPE LEAD SOIC AMS4040AS AMS4040BS AMS4040CS SOT-89 AMS4040AL AMS4040BL AMS4040CL LEAD SOT-23 AMS4040AM AMS4040BM AMS4040CM OPERATING TEMP. RANGE +85° +85° +85°
CONNECTIONS
TO-92 Plastic Package
SOIC Package
SOT-89
SOT-23
*This must left floating connected
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Advanced Monolithic Systems, Inc.
www.advanced-monolithic.com
Phone (925) 443-0722
(925) 443-0723
AMS4040
ABSOLUTE MAXIMUM RATINGS (Note
Reverse Current Forward Current Storage temperature Lead Temperature TO-92 package (Soldering sec.) SO-8 SOT-23 packages: Vapor phase sec) Infrared sec.) SOT-89 package (Soldering sec.) 100mA 10mA -65°C +150°C 265°C 215°C 220°C 265°C Internal Power Dissipation (PD) TO-92 Package SO-8 Package SOT-89 Package SOT-23 Package Thermal Resistance (JA) TO-92 Package SO-8 Package SOT-89 Package SOT-23 Package 0.78W 0.71W 0.91W 0.28W 160°C/W 175°C/W 110°C/W 410°C/W
Note1: Absolute Maximum Ratings indicate limits beyond which damage device occur. guaranteed specifications test conditions, Electrical Characteristics. guaranteed specifications apply only test conditions listed.
ELECTRICAL CHARACTERISTICS
Electrical Characteristics =100 +25°C unless otherwise specified. Parameter
Reverse Breakdown Voltage Deviation Reverse Breakdown Voltage over Temperature Reverse Breakdown Voltage Change with Operating Current Change Reverse Breakdown Voltage Long Term Stability Wide Band Noise Reverse Dynamic Impedance Minimum Operating Current Full Range IRMIN 15mA
Conditions
2.494
AMS4040A
2.500 2.506
2.488
AMS4040B
2.500 2.512
2.475
AMS4040C
2.500 2.525
Units
TA=25°C±.1°C 1000 10HZ 10kHz 1mA, 120Hz, 0.1IR
µVrms
0.25 2500
0.25
0.25
Parameters identified with boldface type apply temperature extremes. other numbers apply 25°C.
TYPICAL APPLICATIONS
Shunt Regulator
AMS4040-2.5
Advanced Monolithic Systems, Inc.
www.advanced-monolithic.com
Phone (925) 443-0722
(925) 443-0723
AMS4040
TYPICAL APPLICATIONS
Precision Current Sources
AMS4040-2.5 AMS4040-2.5
LMC6062
IOUT* -1.0V -12V
LMC6062 IOUT* 1.0V
-15V
IOUT=2.5V/R2
Precision 2.500V Reference
904, +2.500V AMS4040-2.5 47k, 0.1% 47k, 0.1% 0.1µF
LMC6062 -2.500V
0.1µF
START-UP CHARACTERISTICS
AMS4040-2.5
AMS4040-2.5
rate
25°C
Test Circuit
RESPONSE TIME (µs)
Advanced Monolithic Systems, Inc.
www.advanced-monolithic.com
Phone (925) 443-0722
(925) 443-0723
AMS4040
TYPICAL PERFORMANCE CHARACTERISTICS
Temperature Drift Different Average Temperature Coefficient +0.5 +0.4 +0.3 CHANGE +0.2 +0.1 -0.1 -0.2 -0.3 -0.4 -0.5 TEMPERATURE
-51ppm/° -22ppm/°
Reverse Characteristics Minimum Operating Current REVERSE CURRENT (µA)
=25°
Noise Voltage Frequency NOISE (mV/Hz)
=25°
REVERSE VOLTAGE
+12ppm/°
FREQUENCY (Hz)
100k
Ouput Impedance Frequency
=25° 0.1I
Ouput Impedance Frequency
RMIN+100 =25° 0.1I
IMPEDANCE
IMPEDANCE
TANTALUM
TANTALUM
100k FREQUENCY (Hz)
100k FREQUENCY (Hz)
Advanced Monolithic Systems, Inc.
www.advanced-monolithic.com
Phone (925) 443-0722
(925) 443-0723
AMS4040
PACKAGE DIMENSIONS inches (millimeters) unless otherwise noted.
LEAD TO-92 PLASTIC PACKAGE
0.060±0.005 (1.524±0.127)
0.180±0.005 (4.572±0.127) 0.060±0.010 (1.524±0.254) 0.140±0.010 (3.556±0.127)
0.180±0.005 (4.572±0.127)
0.90 (2.286)
0.500 (12.70)
0.050 (1.270)
UNCONTROLLED LEAD DIMENSIONS
0.050±0.005 (1.270±0.127)
0.016±0.003 (0.406±0.076)
0.015±0.002 (0.381±0.051)
(TO-92 DRW# 042391
LEAD SOIC PLASTIC PACKAGE
0.189-0.197* (4.801-5.004)
0.228-0.244 (5.791-6.197)
0.150-0.157** (3.810-3.988)
0.053-0.069 (1.346-1.752) 0.004-0.010 (0.101-0.254) 0.008-0.010 (0.203-0.254)
0.010-0.020 (0.254-0.508) 0°-8°
0.014-0.019 (0.355-0.483)
0.050 (1.270)
0.016-0.050 (0.406-1.270)
(SO-8 DRW# 042293
*DIMENSION DOES INCLUDE MOLD FLASH. MOLD FLASH SHALL EXCEED 0.006" (0.152mm) SIDE **DIMENSION DOES INCLUDE INTERLEAD FLASH. INTERLEAD FLASH SHALL EXCEED 0.010" (0.254mm) SIDE
Advanced Monolithic Systems, Inc.
www.advanced-monolithic.com
Phone (925) 443-0722
(925) 443-0723
AMS4040
PACKAGE DIMENSIONS inches (millimeters) unless otherwise noted (Continued).
SOT-89 PLASTIC PACKAGE
0.173-0.181 (4.40-4.60) 0.064-0.072 (1.62-1.83)
0.055-0.063 (1.40-1.60) 0.014-0.017 (0.35-0.44)
0.155-0.167 (3.94-4.25) 0.090-0.102 (2.29-2.60) 0.084-0.090 (2.13-2.29)
0.035-0.047 (0.89-1.20) 0.059 (1.50) 0.118 (3.00) 0.014-0.019 (0.36-0.48) 0.017-0.022 (0.44-0.56)
(SOT-89 DRW# 042392
LEAD SOT-23 PLASTIC PACKAGE
0.110-0.120 (2.794-3.048) 0.015-0.017 (0.381-0.432)
0.083-0.098 (2.108-2.489) 0.047-0.055 (1.194-1.397)
0.035-0.040 (0.889-1.016)
0.018-0.024 (0.457-0.610)
0.035-0.041 (0.089-1.041) 0.0034-0.0050 (0.086-0.127) 0.0005-0.0040 (0.013-0.102) 0.070-0.080 (1.778-2.032) 0.018-0.024 (0.457-0.610)
(SOT-23 DRW# 051991
Advanced Monolithic Systems, Inc.
www.advanced-monolithic.com
Phone (925) 443-0722
(925) 443-0723
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