AMS285-12CN 반도체 회로 부품 판매점
MICROPOWER VOLTAGE REFERENCE DIODE
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 Advanced Monolithic Systems |
Advanced
Monolithic
Systems
AMS285-1.2/AMS385-1.2
MICROPOWER VOLTAGE REFERENCE DIODE
FEATURES
• ±4 mV (±0.3%) max. initial tolerance (A grade)
• Operating Current 10µA to 20mA
• Low Voltage Reference 1.235
• Max. 0.6Ω Dynamic Impedance (A grade)
• Low Temperature Coefficient
• 2.5V Device and Adjustable Device also available
AMS285-2.5 and AMS285 series, respectively
AMS385-2.5 and AMS385 series.
APPLICATIONS
• Battery Powered Systems
• Instrumentation
• A/D, D/A Converters
• Temperature measurement
• Current sources
• Notebook/Personal Computer
• Monitors/ VCR/ TV
• Pagers
GENERAL DESCRIPTION
The AMS285-1.2/AMS385-1.2 are two-terminal micropower band-gap voltage reference diodes. They feature a very low
dynamic impedance and good temperature coefficient, operating over a 10µA to 20mA current range. On-chip trimming is
used to provide tight voltage tolerance. Since the AMS285-1.2/AMS385-1.2 is a band-gap reference, uses only transistors and
resistors, low noise and good long-term stability result. Careful design of the AMS285-1.2/AMS385-1.2 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
AMS285-1.2/AMS385-1.2 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.
The AMS285-1.2 is operational in the full industrial temperature range of -40°C to 85°C while AMS385-1.2 is operating
over a 0°C to 70°C temperature range. The AMS285-1.2/AMS385-1.2 are available in TO-92, SO-8 and SOT-89 packages.
ORDERING INFORMATION:
TOL.
TO-92
±4mV AMS285-1.2AN
±12mV AMS285-1.2BN
±25mV AMS285-1.2CN
±4mV AMS385-1.2AN
±12mV AMS385-1.2BN
±25mV AMS385-1.2CN
PACKAGE TYPE
8 LEAD SOIC
AMS285-1.2AS
AMS285-1.2BS
AMS285-1.2CS
AMS385-1.2AS
AMS385-1.2BS
AMS385-1.2CS
SOT-89
AMS285-1.2AL
AMS285-1.2BL
AMS285-1.2CL
AMS385-1.2AL
AMS385-1.2BL
AMS385-1.2CL
OPERATING
TEMPERATURE RANGE
-40 to 85° C
-40 to 85° C
-40 to 85° C
0 to 70° C
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
AMS285-1.2/AMS385-1.2
ABSOLUTE MAXIMUM RATINGS
Reverse Current
30mA
Forward Current
10mA
Operating Temperature Range
AMS285-1.2
-40°C to 85°C
AMS385-1.2
0°C to 70°C
Storage temperature
Soldering information
TO-92 package: 10 sec.
SOIC package: Vapor phase (60 sec)
Infrared (15 sec.)
SOT-89 package: 10 sec.
-55°C to +150°C
260°C
215°C
220°C
265°C
ELECTRICAL CHARACTERISTICS
Electrical Characteristics at IR = 100 µA, and TA = +25°C unless otherwise specified.
Parameter
Reverse Breakdown
Voltage (Note 4)
Reverse Dynamic
Impedance (Note 4)
Reverse Breakdown
Voltage Change with
current (Note 4)
Conditions
IR - 100 µA
IR - 100 µA, f =20Hz
10µA ≤IR ≤1mA
1mA ≤IR ≤20mA
AMS285A-1.2
Min Typ Max
1.231
1.235
1.239
0.2 0.60
1.0
10
AMS285B-1.2
Min Typ
Max
1.223
1.235
1.247
1
1.0
10
AMS285C-1.2
Min Typ Max
1.205 1.235 1.260
1
1.0
20
Units
V
Ω
mV
Min. Operating
Current (Note 4)
Wide Band Noise
(Note 5)
Temperature Coeff.
(Note 6)
Long Term Stability
(Note 5)
IR - 100 µA,
10Hz ≤ f ≤ 10kHz
TA=25°C±.1°C
T = 1000 Hr
8 10
20
60
25
20
8 10
20
60
50
20
8 15 µA
25 µA
60 µV
100 150 ppm/°C
20 ppm
ELECTRICAL CHARACTERISTICS
Electrical Characteristics at IR = 100 µA, and TA = +25°C unless otherwise specified.
Parameter
Reverse Breakdown
Voltage (Note 4)
Reverse Dynamic
Impedance (Note 4)
Reverse Breakdown
Voltage Change with
Current (Note 4)
Conditions
IR - 100 µA
IR - 100 µA, f =20Hz
10µA ≤IR ≤1mA
1mA ≤IR ≤20mA
AMS385A-1.2
Min Typ Max
1.231
1.235
1.239
0.2 0.60
1.0
10
AMS385B-1.2
Min Typ
Max
1.223
1.235
1.247
1
1.0
20
Min. Operating
Current (Note 4)
8 10
20
8 10
20
Wide Band Noise
(Note 5)
IR - 100 µA,
10Hz ≤ f ≤ 10kHz
60
60
Temperature Coeff.
(Note 6)
25 50
Long Term Stability
(Note 5)
TA=25°C±.1°C
T = 1000 Hr
20
20
AMS385C-1.2
Min Typ Max
1.205
1.235
1.260
1
1.0
20
8 15
25
60
100 150
20
Units
V
Ω
mV
µA
µA
µV
ppm/°C
ppm
Advanced Monolithic Systems, Inc. 6680B Sierra Lane, Dublin, CA 94568 Phone (925) 556-9090 Fax (925) 556-9140
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AMS285-12CN diode
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관련 데이터시트
AMS285-12CL
MICROPOWER VOLTAGE REFERENCE DIODE - Advanced Monolithic Systems
AMS285-12CN
MICROPOWER VOLTAGE REFERENCE DIODE - Advanced Monolithic Systems
AMS285-12CS
MICROPOWER VOLTAGE REFERENCE DIODE - Advanced Monolithic Systems