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Datasheet: AMS04 (Advanced Monolithic Systems)

Voltage References

 

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Advanced Monolithic Systems
Advanced Monolithic Systems, Inc. 6680B Sierra Lane, Dublin, CA 94568 Phone (925) 556-9090 Fax (925) 556-9140
Advanced
AMS04/AMS05
Monolithic
VOLTAGE REFERENCES
Systems
FEATURES
APPLICATIONS

Low Temperature Coefficient

Battery Powered Systems

Wide Operating Current Range

Instrumentation
AMS04.........................15

A to 20mA

A/D, D/A Converters
AMS05.........................20

A to 20mA

Current sources

Max. 1
Dynamic Impedance

Power Supplies

Typ. 2% Output tolerance

Telecommunication
GENERAL DESCRIPTION
The AMS04 and the AMS05 are two-terminal, band-gap voltage reference diodes, with an output voltage of 1.25V for the
AMS04 and 2.5V for the AMS05. These devices feature low dynamic impedance and good temperature coefficient, operating
over a wide current range. Since the band-gap reference of these devices uses only transistors and resistors, low noise and
good long term stability result. The wide dynamic operating range allows its use with widely varying supplies with excellent
regulation. The AMS04 and AMS05 can be used for portable meters, regulators, data acquisition converters and
telecommunication.
The AMS04 and AMS05 are operational over a temperature range of 0
C to 70
C and are available in TO-92 and SO-8
packages.
ORDERING INFORMATION:
MAX.
PACKAGE TYPE
OPERATING
TEMPCO
TO-92
8 LEAD SOIC
TEMPERATURE RANGE
50ppm/
C
AMS04AN
AMS04AS
0 to 70
C
100ppm/
C
AMS04BN
AMS04BS
0 to 70
C
50ppm/
C
AMS05AN
AMS05AS
0 to 70
C
100ppm/
C
AMS05BN
AMS05BS
0 to 70
C
PIN CONNECTIONS
TO-92
SO-8
Plastic Package (N)
SO Package (S)
Bottom View
Top View
1
2
+
-
1
2
8
4
3
7
5
6
N/C
N/C
N/C
N/C N/C
N/C
+
-
Advanced Monolithic Systems, Inc. 6680B Sierra Lane, Dublin, CA 94568 Phone (925) 556-9090 Fax (925) 556-9140
AMS04/AMS05
ABSOLUTE MAXIMUM RATINGS
Reverse Current
30mA
Soldering information
Forward Current
10mA
TO-92 package: 10 sec.
260
C
Operating Temperature Range
0
C to 70
C
SOIC package: Vapor phase (60 sec)
215
C
Storage temperature
-55
C to +150
C
Infrared (15 sec.)
220
C
ELECTRICAL CHARACTERISTICS
Electrical Characteristics at I
R
= 100
A, and T
A
= +25C unless otherwise specified.
Parameter
Conditions
AMS04
Min Typ Max
AMS05
Min Typ Max
Units
Reverse Breakdown
Voltage
I
R
= 100
A
1.235
1.250
1.265
2.475
2.50
2.525
V
Reverse Dynamic
Impedance
I
R
= 100
A
1
1
Reverse Breakdown
15
A
I
R
20mA
20
A
I
R
1mA
10
0.25
20
1.0
mV
Voltage Change
20
A
I
R
20mA
25
A
I
R
1mA
10
0.25
2.0
1.0
mV
Min. Operating Current
10
20
A
Wide Band Noise
10Hz
f
10kHz
60
60
V
Temperature Coeff.
AMS04A/AMS05A
AMS04B/AMS05B
I
R
= 100
A (Note 3)
50
100
50
100
ppm/C
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:
For elevated temperature operation, T
J
max is +100C
Thermal Resistance
TO-92
SO-8
JA
(junction to ambient)
170C/W (0.125" leads)
165C/W
Note 3:
The average temperature coefficient is defined as the maximum deviation of reference voltage at all measured temperatures between the operating T
MAX and
T
MIN
, divided by T
MAX
- T
MIN
. The measured temperatures are 0
C, 25
C and 70
C.
TYPICAL APPLICATIONS
Precision Current Source
Battery Powered 1.25V Reference
10V Reference
7
4
3
2
+
-
LM312
6
R
SET
81k
+15V
1
F
I
OUT
*
AMS04
SET
OUT
R
1.25V
I
*
=
AMS05
50k
7
4
6
2
3
-
+
V
OUT
= 10V
LM312
0.1
F
180k
60k
+15V
AMS04
1.2V
360k
9V
Advanced Monolithic Systems, Inc. 6680B Sierra Lane, Dublin, CA 94568 Phone (925) 556-9090 Fax (925) 556-9140
AMS04/AMS05
TYPICAL PERFORMANCE CHARACTERISTICS
-2
2
4
8
10
0.1
1
10
100
AMS04 Reverse Characteristics
0
6
OUTPUT VOLTAGE CHANGE (mV)
T
A
=25 C
0.01
0
0.4
1.2
0.1
1
10
100
0.8
0.01
REVERSE CURRENT (mA)
0
0.2
0.4
0.6
0.8
1.0
1.2
0.1
100
10
1.4
REVERSE VOLTAGE (V)
REVERSE CURRENT (
A)
1
AMS04 Reverse Characteristics
AMS04 Forward Characteristics
FORWARD CURRENT (mA)
FORWARD VOLTAGE (V)
T
A
=25 C
T
A
=25 C
0
10
0
1.0
2.0
0
200
400
600
TIME (
s)
AMS04 Response Time
VOLTAGE SWING (V)
0.5
1.5
~
~
~
~
OUTPUT
100k
INPUT
OUTPUT
INPUT
-4
4
8
16
0.1
1
10
100
AMS05 Reverse Characteristics
0
OUTPUT VOLTAGE CHANGE (mV)
T
A
=25 C
0.01
REVERSE CURRENT (mA)
0
0.5
1.0
1.5
2.0
2.5
0.1
100
10
3.0
REVERSE VOLTAGE (V)
REVERSE CURRENT (
A)
1
Reverse Characteristics
T
A
=25 C
12
0
0.4
1.6
0.1
1
10
100
0.8
0.01
AMS05 Forward Characteristics
FORWARD CURRENT (mA)
FORWARD VOLTAGE (V)
1.2
T
A
=25 C
0
10
0
1.0
3.0
0
200
400
600
TIME (
s)
AMS05 Response Time
VOLTAGE SWING (V)
2.0
~
~
~
~
OUTPUT
100k
INPUT
OUTPUT
INPUT
Advanced Monolithic Systems, Inc. 6680B Sierra Lane, Dublin, CA 94568 Phone (925) 556-9090 Fax (925) 556-9140
AMS04/AMS05
PACKAGE DIMENSIONS
inches (millimeters) unless otherwise noted.
3 LEAD TO-92 PLASTIC PACKAGE (N)
8 LEAD SOIC PLASTIC PACKAGE (S)
0.1400.010
(3.5560.127)
0.0600.010
(1.5240.254)
0.0150.002
(0.3810.051)
0.0160.003
(0.4060.076)
0.0500.005
(1.2700.127)
0.0600.005
(1.5240.127)
DIA
0.1800.005
(4.5720.127)
0.1800.005
(4.5720.127)
0.050
(1.270)
MAX
0.500
(12.70)
MIN
UNCONTROLLED
LEAD DIMENSIONS
10
NOM
5 NOM
N (TO-92 ) AMS DRW# 042391
0.90
(2.286)
NOM
0-8 TYP
0.010-0.020
(0.254-0.508)
S (SO-8 ) AMS DRW# 042293
x 45
0.016-0.050
(0.406-1.270)
0.008-0.010
(0.203-0.254)
0.004-0.010
(0.101-0.254)
0.014-0.019
(0.355-0.483)
0.053-0.069
(1.346-1.752)
0.050
(1.270)
TYP
0.150-0.157**
(3.810-3.988)
0.228-0.244
(5.791-6.197)
0.189-0.197*
(4.801-5.004)
*DIMENSION DOES NOT INCLUDE MOLD FLASH. MOLD FLASH
SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE
**DIMENSION DOES NOT INCLUDE INTERLEAD FLASH. INTERLEAD
FLASH SHALL NOT EXCEED 0.010" (0.254mm) PER SIDE
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