AMS3100-25CM.pdf 데이터시트 (총 6 페이지) - 파일 다운로드 AMS3100-25CM 데이타시트 다운로드

No Preview Available !

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

No Preview Available !

AMS3100-2.5
ABSOLUTE MAXIMUM RATINGS
Reverse Current
30mA
Forward Current
10mA
Operating Temperature Range -40°C to 85°C
Storage temperature
-55°C to +150°C
Lead Temperature
Vapor phase (60 sec)
Infrared (15 sec.)
Thermal Resistance (θJA)
215°C
220°C
410°C/W
ELECTRICAL CHARACTERISTICS
Electrical Characteristics at IR = 100 µA, and TA = +25°C unless otherwise specified.
Parameter
Reverse Breakdown
Voltage (Note 3)
Reverse Dynamic
Impedance (Note 3)
Reverse Breakdown
Voltage Change with
current (Note 3)
Conditions
IR - 100 µA
IR - 100 µA, f =20Hz
10µA IR 1mA
1mA IR 20mA
AMS3100A-2.5
Min Typ Max
2.488
2.500
2.512
0.2 0.60
1.0
10
AMS3100B-2.5
Min Typ
Max
2.475
2.500
2.525
1
1.0
10
AMS3100C-2.5
Min Typ Max
2.450 2.500 2.550
1
2.0
20
Units
V
mV
Min. Operating
Current (Note 3)
Wide Band Noise
(Note 4)
Temperature Coeff.
(Note 5)
Long Term Stability
(Note 4)
IR - 100 µA,
10Hz f 10kHz
TA=25°C±.1°C
T = 1000 Hr
12 20
25
120
25
20
13 20
30
120
50
20
13 20 µA
30 µA
120 µV
100 150 ppm/°C
20 ppm
Note 1: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which the device is
intended to be functional, but do not guarantee specific performance limits. For guaranteed specifications and test conditions, see the Electrical Characteristics. The
guaranteed specifications apply only for the test conditions listed.
Note 2: Parameters identified with boldface type apply at temperature extremes. All other numbers apply at TA = TJ = 25°C.
Note 3: Guaranteed and 100% production tested
Note 4:. Guaranteed but not 100% production tested. These limits are not used to calculate average outgoing quality levels.
Note 5: The average temperature coefficient is defined as the maximum deviation of reference voltage at all measured temperatures between the operating TMAX and
TMIN, divided by TMAX - TMIN. The measured temperatures are -40°C, 25°C and 85°C.
TYPICAL APPLICATIONS
Wide Input
Range Reference
VIN = 3.7V TO 30V
LM334
3.3k
AMS3100-2.5
OUT
2.5V
Micropower Reference
from 9V Battery
9V
200k
2.5V
AMS3100-2.5
Advanced Monolithic Systems, Inc. 6680B Sierra Lane, Dublin, CA 94568 Phone (925) 556-9090 Fax (925) 556-9140

No Preview Available !

TYPICAL APPLICATIONS (Continued)
0°C - 100°C Thermometer
1k
0-100µA M
IOUT
V+
LM334
V-
R
R1
8k
R2
1k 3V
AMS3100-2.5
R3
100
R4
220
Calibration
1. Short AMS3100-2.5, adjust R3 for IOUT = temp at 1µA/°K
2. Remove short, adjust R2 for correct reading in °C
AMS3100-2.5
0°C - 100°C Thermometer
150
0-50µA M
IOUT
V+
LM334
V-
R
R1
4k
R2
1k 3V
AMS3100-2.5
R3
50
R4
100
Calibration
1. Short AMS3100-2.5, adjust R3 for IOUT = temp at 1.8µA/°K
2. Remove short, adjust R2 for correct reading in °F
Micropower* 5V Regulator
IQ
V+ VIN 5.2V
LM334
R
V- 2.2k
47k
2N2905
3+ 7
LM4250C
6
2-
4
8 1N457
1N457
150pF
VO = 5V
IL 100mA
100k
+ 4.7µF
TANTALUM
AMS3100-2.5
10M 2k
100k
*IQ 40µA
Micropower* 10V Reference
IQ
VIN = 15V
500k
2+ 7
LM4250C 6
3-
4
8
22M
10V
150pF 1.5M
AMS3100-2.5
500k
*IQ 20µA standby current
Advanced Monolithic Systems, Inc. 6680B Sierra Lane, Dublin, CA 94568 Phone (925) 556-9090 Fax (925) 556-9140

No Preview Available !

TYPICAL APPLICATIONS (Continued)
AMS3100-2.5
Micropower Thermocouple Cold Junction Compensator
V+ LM334
18k
1M
1%
3V +
LITHIUM
ZERO
AMS3100-2.5 ADJ 100k
V-
2k
R 1%
TC ADJ
500
R2 R1
+
THERMOCOUPLE
-
COLD JUNCTION
ISO THERMAL
WITH LM334
+
METER
-
Adjustment Procedure
1. Adjust TC ADJ pot until voltage across R1 equals Kelvin temperature
multiplied by the thermocouple Seebeck coefficient.
2. Adjust ZERO ADJ pot until voltage across R2 equals the thermocouple
Seebeck coefficient multiplied by 273.2.
Thermocouple
Type
Seebeck
Coefficient
(mV/ °C)
R1 R2 Voltage
Voltage
() () Across R1 Across R2
@ 25°C (mV) (mV)
J
52.3
523 1.24k 15.60
14.32
T
42.8
432 1k 12.77
11.78
K
40.8
412 95312.17
11.17
S 6.4 63.4 1501.908 1.766
Typical supply current 50µA
Precision 1µA to 1mA Current Sources
AMS3100-2.5
AMS3100-2.5
30V
C1
150pF
R1
68k
IOUT*
-1.5V TO -27V
2- 7
LM312
3+ 4
6
R2
-30V
*IOUT =2.5V/R2
1.5V TO 27V
R1
68k
IOUT*
2- 7
LM312
3+ 4
C1
150pF
6
R2
Advanced Monolithic Systems, Inc. 6680B Sierra Lane, Dublin, CA 94568 Phone (925) 556-9090 Fax (925) 556-9140

No Preview Available !

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