AMS124 MICROPOWER SHUNT VOLTAGE REFERENCE APPLICATIONS

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AMS124 MICROPOWER SHUNT VOLTAGE REFERENCE APPLICATIONS

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Temperature Coefficient Output Noise Operating Current 50µA Dynamic Impedance Tight Output Voltage Tolerance Available sub-miniature SOT-23 Package
AMS124
MICROPOWER SHUNT VOLTAGE REFERENCE
APPLICATIONS
Battery Powered Systems Instrumentation Energy Management Product Testing Precision Audio Components Data Acquisition Systems
GENERAL DESCRIPTION
AMS124 two-terminal micropower band-gap voltage reference diode featuring dynamic impedance good temperature coefficient, operating over 50µA current range. On-chip trimming used provide tight voltage tolerance. Since AMS124 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. These voltage references used make portable meters, regulators general purpose analog circuitry. AMS124 operational full industrial temperature range -40°C 85°C available small space saving SOT-23 package.
ORDERING INFORMATION:
MAX. TEMPCO 50ppm/°C 100ppm/°C PACKAGE TYPE LEAD SOT-23 AMS124AM AMS124BM OPERATING TEMP. RANGE +85°C +85°C
CONNECTIONS
SOT-23
*This must left floating connected
View
Advanced Monolithic Systems, Inc.
www.advanced-monolithic.com
Phone (925) 443-0722
(925) 443-0723
AMS124
ABSOLUTE MAXIMUM RATINGS (Note
Reverse Current Forward Current Lead Temperature SOT-23 packages: Vapor phase sec) Infrared sec.) 10mA Storage temperature Internal Power Dissipation (PD) SOT-23 Package Thermal Resistance (JA) SOT-23 Package -65°C +150°C 0.28W 410°C/W
215°C 220°C
ELECTRICAL CHARACTERISTICS
Electrical Characteristics =500 +25°C unless otherwise specified. Parameter
Output Voltage Output Impedance Noise Voltage Temperature Coefficient Turn-On Settling Operating Current 10Hz 10kHz Full Range 0.1% VOUT (Note 0.05 0.05
Conditions
AMS124A Min. Typ. Max.
1.220 1.235 1.250
AMS124B Min. Typ. Max.
1.220 1.235 1.250
Units
µVrms ppm/°C µsec
Note1: Absolute Maximum Ratings indicate limits beyond which damage device occur. guaranteed specifications test conditions, Electrical Characteristics. guaranteed specifications apply only test conditions listed. Note Parameters identified with boldface type apply temperature extremes. other numbers apply 25°C. Note Optimum performance obtained currents below 500µA.
TYPICAL APPLICATIONS
Shunt Regulator
AMS124
Precision Current Sources
AMS124
AMS124
IOUT* -1.0V -12V 1.0V -15V
LMC6062
LMC6062 IOUT*
IOUT=1.2V/R2
Advanced Monolithic Systems, Inc.
www.advanced-monolithic.com
Phone (925) 443-0722
(925) 443-0723
AMS124
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
-51ppm/° -22ppm/° +12ppm/°
Reverse Characteristics Minimum Operating Current
=25°
Noise Voltage Frequency 1000
=25°
REVERSE CURRENT (µA)
NOISE (mV/Hz) REVERSE VOLTAGE
FREQUENCY (Hz) 100k
-0.4 -0.5
TEMPERATURE
Ouput Impedance Frequency
=25° 0.1I
Ouput Impedance Frequency
150µA =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
AMS124
PACKAGE DIMENSIONS inches (millimeters) unless otherwise noted.
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

AMS124 MICROPOWER SHUNT VOLTAGE REFERENCE APPLICATIONS

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