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PDF AMS3100B-25 Data sheet ( Hoja de datos )

Número de pieza AMS3100B-25
Descripción MICROPOWER VOLTAGE REFERENCE
Fabricantes Advanced Monolithic Systems 
Logotipo Advanced Monolithic Systems Logotipo



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Advanced
Monolithic
Systems
AMS3100-2.5
MICROPOWER VOLTAGE REFERENCE
FEATURES
±12 mV (±0.5%) max. initial tolerance (A grade)
Operating Current 20µA to 20mA
Low Voltage Reference 2.50V
Max. 0.5Dynamic Impedance (A grade)
Low Temperature Coefficient
SOT-23 Package Available
Low cost
APPLICATIONS
Battery Powered Systems
Instrumentation
A/D, D/A Converters
Temperature measurement
Current sources
Notebook/Personal Computer
Monitors/ VCR/ TV
Pagers
GENERAL DESCRIPTION
The AMS3100-2.5 are two-terminal micropower band-gap voltage reference that feature a very low dynamic impedance and
good temperature coefficient, operating over a 20µA to 20mA current range. AMS3100-2.5 is trimmed at wafer test level to
optimize the temperature coefficient and tight output voltage tolerance. The advanced process technology used, makes the
AMS3100-2.5 exceptionally tolerant of capacitive loading, making it easy to use in almost any reference application. The
wide dynamic operating range allows its use with widely varying supplies with excellent regulation. The extremely low power
drain, makes these reference diodes useful for micropower circuitry. These voltage references can be used to make portable
meters, regulators or general purpose analog circuitry with battery life approaching shelf life. Further more, the wide
operating current allows it to replace older references with a tight tolerance part. Pin to pin compatible with other standard
industry references, the AMS3100-2.5 offers the advantage of long term stability at low cost.
The AMS3100-2.5 is operating over a -40°C to 85°C temperature range and is available in the space saving SOT-23
package.
ORDERING INFORMATION:
TOL.
PACKAGE TYPE
SOT-23
±12mV AMS3100-2.5AM
±25mV AMS3100-2.5BM
±50mV AMS3100-2.5CM
PIN CONNECTIONS
OPERATING
TEMPERATURE RANGE
-40°C to 85°C
-40°C to 85°C
-40°C to 85°C
3L SOT-23
(M)
3*
12
+-
Top View
*This pin must be left floating or
connected to pin 2
Advanced Monolithic Systems, Inc. 6680B Sierra Lane, Dublin, CA 94568 Phone (925) 556-9090 Fax (925) 556-9140

1 page




AMS3100B-25 pdf
TYPICAL PERFORMANCE CHARACTERISTICS
AMS3100-2.5
Reverse Characteristics
16
TA =85° C
12
8 TA =25° C
4
0 TA =-40° C
-4
0.01 0.1
1 10 100
REVERSE CURRENT (mA)
Reverse Dynamic Impedance
1000
100
TA =85° C
10 TA =-40° C
1
TA =25° C
0.1
0.01 0.1 1 10 100
REVERSE CURRENT (mA)
Filtered Output Noise
120
IR= 100 µA
100
SINGLE POLE LOW PASS
80
100 µA
OUTPUT
60
AMS3100-2.5
40
20 SHARP CUTOFF
FILTER
0
100 1k
10k 100k
CUTOFF FREQUENCY (Hz)
Reverse Characteristics
100
10
TA =85° C
TA =-40° C
1
TA =25° C
0.1
0
0.5 1.0 1.5 2.0 2.5 3.0
REVERSE VOLTAGE (V)
Temperature Drift
2.530
2.520
IR= 100 µA
2.510
2.500
2.490
2.480
2.470
2.460
2.450
-55 -35 -15 5 25 45 65 85 105 125
TEMPERATURE (° C)
Noise Voltage
1400
1200
IR= 100 µA
1000
800
600
400
200
0
10
100 1k 10k
FREQUENCY (Hz)
100k
Forward Characteristics
1.6
1.2
TA =-40° C
0.8
TA =25° C
0.4
TA =85° C
0
0.01 0.1
1 10 100
FORWARD CURRENT (mA)
Reverse Dynamic Impedance
10k
TA =25° C
1k IR= 100 µA
100
10
1
0.1
10
100 1k 10k 100k 1M
FREQUENCY (Hz)
Response Time
3.0
OUTPUT
2.0 INPUT
1.0
0 ~~
10
100k
OUTPUT
INPUT
~~
0
0 200 400 600
TIME (µs)
Advanced Monolithic Systems, Inc. 6680B Sierra Lane, Dublin, CA 94568 Phone (925) 556-9090 Fax (925) 556-9140

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