ADJUSTABLE MICROPOWER VOLTAGE REFERENCE DIODE APPLICATIONS B

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ADJUSTABLE MICROPOWER VOLTAGE REFERENCE DIODE APPLICATIONS B

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AMS3100
ADJUSTABLE MICROPOWER VOLTAGE REFERENCE DIODE
APPLICATIONS
Battery Powered Systems Instrumentation A/D, Converters Temperature measurement Current sources Notebook/Personal Computer Monitors/ VCR/ Pagers
Adjustable from 1.24V 5.30V Operating Current 10µA 20mA Initial Tolerance Dynamic Impedance Temperature Coefficient 1.2V Device 2.5V Device also available
GENERAL DESCRIPTION
AMS3100 two-terminal micropower band-gap voltage reference that feature very dynamic impedance good temperature coefficient, operating from 1.24V 5.3V over 10µA 20mA current range. AMS3100 trimmed wafer test level optimize temperature coefficient tight output voltage tolerance. advanced process technology used, makes AMS3100 exceptionally tolerant capacitive loading, making easy almost reference application. wide dynamic operating range allows with widely varying supplies with excellent regulation. extremely power drain, 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. Further more, wide operating current allows replace older references with tight tolerance part. compatible with other standard industry references, AMS3100 offers advantage long term stability cost. AMS3100 operating over -40°C 85°C temperature range available space saving SOT-23 package.
ORDERING INFORMATION:
TOL. PACKAGE TYPE OPERATING TEMPERATURE RANGE -40°C 85°C -40°C 85°C -40°C 85°C
SOT-23 ±12mV AMS3100AM ±25mV AMS3100BM ±25mV AMS3100CM
CONNECTIONS
SOT-23
Adjust pin.
View Advanced Monolithic Systems, Inc. www.advanced-monolithic.com Phone (925) 443-0722 (925) 443-0723
AMS3100
ABSOLUTE MAXIMUM RATINGS
Reverse Current Forward Current Operating Temperature Range Storage temperature 30mA 10mA -40°C 85°C -55°C +150°C Lead Temperature Vapor phase sec) Infrared sec.) Thermal Resistance (JA) 215°C 220°C 410°C/W
ELECTRICAL CHARACTERISTICS
Electrical Characteristics +25°C unless otherwise specified. Parameter Conditions
=100 =0.1IR, 20Hz VOUT VREF VOUT 5.3V 10µA 20mA VOUT VREF VOUT 5.3V 10Hz 10kHz VOUT VREF VOUT 5.3V
1.238
AMS3100A
1.250 1.262
1.225
AMS3100B
1.250 1.275
1.225
AMS3100C
1.250 1.275
Units
Reference Voltage Dynamic Output Impedance
Reference Voltage Change with Current Min. Operating Current (Note Wide Band Noise (Note
µVrms µVrms ppm/°C
Temperature Coeff. (Note Long Term Stability (Note TA=25°C±.1°C 1000
Note Absolute Maximum Ratings indicate limits beyond which damage device occur. Operating Ratings indicate conditions which device intended functional, guarantee specific performance limits. 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 Guaranteed 100% production tested Note Guaranteed 100% production tested. These limits used calculate average outgoing quality levels. Note average temperature coefficient defined maximum deviation reference voltage measured temperatures between operating TMAX TMIN, divided TMAX TMIN. measured temperatures -40°C, 25°C 85°C.
TYPICAL APPLICATIONS
1.2V Reference
500k 1.2V AMS3100 AMS3100 AMS3100 364k
5.0V Reference
Precision Reference
68.1k 301k
VOUT 1.24 120k
Advanced Monolithic Systems, Inc.
www.advanced-monolithic.com
Phone (925) 443-0722
(925) 443-0723
AMS3100
TYPICAL APPLICATIONS (Continued)
Noise Reference
100k VOUT AMS3100 0.47µF 10µF 120k
Current Source
+15V
AMS3100
2N2905 2N3964 120k
360k
1.24V IOUT
Current Shunt Regulator
200mA Shunt Regulator
2.5V
VOUT 120k 2.4M
AMS3100 2N2219
120k
AMS3100 2N5115
120k
Voltage Level Detector
Voltage Level Detector
AMS3100
120k
AMS3100
120k
-12V
-12V
Advanced Monolithic Systems, Inc.
www.advanced-monolithic.com
Phone (925) 443-0722
(925) 443-0723
AMS3100
TYPICAL APPLICATIONS (Continued)
Bidirectional Clamp 2.4V
VOUT 1N457
Bidirectional Adjustable Clamp 1.8V 2.4V
1N457
Bidirectional Adjustable Clamp 2.4V
AMS3100 330k 330k 1N457 AMS3100
AMS3100 1N457
510k 510k
510k AMS3100 1N457 510k 390k
AMS3100
AMS3100
1N457
TYPICAL PERFORMANCE CHARACTERISTICS
REFERENCE VOLTAGE CHANGE (mV)
AMS3100 Typical Temperature Coefficient
TEMPCO
TEMPERATURE
Advanced Monolithic Systems, Inc.
www.advanced-monolithic.com
Phone (925) 443-0722
(925) 443-0723
AMS3100
TYPICAL PERFORMANCE CHARACTERISTICS (Continued)
Reverse Characteristics OUTPUT VOLTAGE CHANGE (mV) 0.01 REVERSE CURRENT (mA)
=25° =-40°
Reverse Characteristics REVERSE CURRENT (µA) FORWARD VOLTAGE
Forward Characteristics
=85°
=-40°
=85°
=-40°
=25° =85°
=25°
REVERSE VOLTAGE Feedback Current 0.01
Temperature Drift Representative Units 1.270 REFERENCE VOLTAGE FEEDBACK CURRENT (nA)
100µA
Minimum Operating Current
100µA
1.260
MINIMUM CURRENT (µA)
AMS3100 WORST CASE
1.250
VOUT VREF
5.3V
1.240
TEMPERATURE Output Noise Voltage
1.230 TEMPERATURE Dynamic Output Impedance
OUTPUT VOLTAGE Response Time
10,000
100µA 0.1IR =25° VOUT VREF 100µA 5.3V
OUTPUT IMPEDANCE
OUTPUT INPUT OUTPUT 120k AMS3100 364k
NOISE (nV/Hz)
1,000
VOUT VREF
5.3V
VOLTAGE
INPUT
FREQUENCY (Hz) 100k
FREQUENCY (Hz) 100k
TIME (µs)
Advanced Monolithic Systems, Inc.
www.advanced-monolithic.com
Phone (925) 443-0722
(925) 443-0723
AMS3100
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

ADJUSTABLE MICROPOWER VOLTAGE REFERENCE DIODE APPLICATIONS B

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