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PDF AMS1004-25 Data sheet ( Hoja de datos )
| Número de pieza | AMS1004-25 | |
| Descripción | MICROPOWER VOLTAGE REFERENCE | |
| Fabricantes | Advanced Monolithic Systems | |
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Hay una vista previa y un enlace de descarga de AMS1004-25 (archivo pdf) en la parte inferior de esta página. Total 7 Páginas | ||
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Advanced
Monolithic
Systems
AMS1004-2.5
MICROPOWER VOLTAGE REFERENCE
FEATURES
• ±20 mV (±0.3%) max. initial tolerance (A grade)
• Operating Current 20µA to 20mA
• Low Voltage Reference 2.5V
• Max. 0.6Ω Dynamic Impedance (A grade)
• Low Temperature Coefficient
• 1.2V Device also available, AMS1004-1.2
APPLICATIONS
• Battery Powered Systems
• Instrumentation
• A/D, D/A Converters
• Temperature measurement
• Current sources
• Notebook/Personal Computer
• Monitors/ VCR/ TV
• Pagers
GENERAL DESCRIPTION
The AMS1004-2.5 is a two-terminal micropower band-gap voltage reference diode. It features a very low dynamic impedance
and good temperature coefficient, operating over a 20µA to 20mA current range. On-chip trimming is used to provide tight
voltage tolerance. Since the AMS1004-2.5 is a band-gap reference, uses only transistors and resistors, low noise and good
long term stability result. Careful design of the AMS1004-2.5 has made the device 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 of the AMS1004-2.5 makes these reference
diodes useful for micropower circuitry. This voltage reference 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, making it attractive
for use in systems where accuracy was previously obtained at the expense of power consumption and trimming.
The AMS1004-2.5 is operational over a temperature range of 0°C to 70°C and is available in TO-92, SO-8 and SOT-89
packages. For extended temperature range contact factory.
ORDERING INFORMATION:
TOL.
TO-92
±20mV AMS1004-2.5AN
±40mV AMS1004-2.5BN
PACKAGE TYPE
8 LEAD SOIC
AMS1004-2.5AS
AMS1004-2.5BS
SOT-89
AMS1004-2.5AL
AMS1004-2.5BL
OPERATING
TEMPERATURE RANGE
0 to 70° C
0 to 70° C
Advanced Monolithic Systems, Inc. 6680B Sierra Lane, Dublin, CA 94568 Phone (925) 556-9090 Fax (925) 556-9140
1 page  
TYPICAL PERFORMANCE CHARACTERISTICS
AMS1004-2.5
Reverse Characteristics
16
TA=125° C
12
8 TA=25° C
4
0 TA=-55° C
-4
0.01 0.1
1 10 100
REVERSE CURRENT (mA)
Reverse Dynamic Impedance
1000
100
TA =125° C
10 TA =-55° 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
100µA
OUTPUT
60
40
20 SHARP CUTOFF
FILTER
0
100 1k 10k 100k
CUTOFF FREQUENCY (Hz)
Reverse Characteristics
100
10
TA=125° C
1
TA=-55° C
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 =-55° C
0.8
TA=25° C
0.4
TA=125° 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
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet AMS1004-25.PDF ] | |
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