The AMSREF-01 is a precision voltage reference, which provides a stable +10V output, which can be adjusted over a
±
3%
range with minimal effect on temperature stability. Careful design of this device improved its bandgap and as a result
excellent temperature stability is achieved. The operating supply range is 12V to 40V with a typical current drain of 650µA.
Low cost, low noise and low power makes the AMSREF-01 an excellent choice whenever a stable voltage reference is
required. Applications include D/A and A/D converters, portable instrumentation and digital voltmeters.
The AMSREF-01 is operational in the full industrial temperature range of -40°C to +85°C and is available in the 8 lead
SOIC and plastic dip (PDIP) packages.
ORDERING INFORMATION
:
TOL.
PACKAGE TYPE
8 LEAD PDIP
AMSREF-01EP
AMSREF-01HP
AMSREF-01CP
8 LEAD SOIC
±30mV
AMSREF-01ES
±50mV
AMSREF-01HS
±100mV
AMSREF-01CS
OPERATING
TEMPERATURE RANGE
-40 to 85° C
-40 to 85° C
-40 to 85° C
PIN CONNECTIONS
8L SOIC/ 8L PDIP
N/C 1
V
IN
N/C
2
3
8 N/C
7 N/C
6 V
OUT
5 TRIM
GND 4
Top View
Advanced Monolithic Systems, Inc.
6680B Sierra Lane, Dublin, CA 94568 Phone (925) 556-9090 Fax (925) 556-9140
AMSREF-01
ABSOLUTE MAXIMUM RATINGS
(Note1)
Input Voltage
Output Short Circuit Duration
(to Ground or V
IN
)
Operating Temperature Range
Junction Temperature
40V
Indefinite
-40°C to 85°C
-65°C to +150°C
Storage temperature
Soldering information (60 sec)
Thermal Resistance
8 L SOIC
8 L PDIP
-65°C to +125°C
300°C
160°C/W
110°C/W
ELECTRICAL CHARACTERISTICS
Electrical Characteristics at V
IN
=+15V and T
A
= +25°C unless otherwise specified.
Parameter
Conditions
AMSREF-01E
AMSREF-01 H
Min
Typ
Max
Min
Typ
Max
Output Voltage
Output Adjustment
Range
Output Voltage Noise
Line Regulation
(Note 5)
Load Regulation
(Note 5)
Turn-on Setting Time
Quiescent Supply
Current
Load Current
Sink Current
Short Circuit Current
(Note 6)
V
O
= 0
I
L
= 0
R
P
=10kΩ
0.1Hz to 10Hz
V
IN
= 13V to 33V
I
L
= 0 to 10 mA,
T
O
±
0.1% of final
value
No Load
10
-5
9.97
±
3.0
10.0
±
3.3
20
0.006
0.005
5
0.65
21
-10
30
1.0
10
-5
30
0.010
0.008
10.03
9.95
±
3.0
10.0
±
3.3
20
0.006
0.006
5
0.65
21
-10
30
1.0
8
-5
30
0.010
0.010
10.05
AMSREF-01 C
Min
Typ
Max
9.90
±
2.7
10.0
±
3.3
25
0.009
0.006
5
0.65
21
-10
30
1.0
35
0.015
0.015
10.10
Units
V
%
µV
P-P
%V
% mA
µs
mA
mA
mA
mA
Electrical Characteristics at V
IN
= 15, I
L
= 0mA, and -40°C
≤
T
A
≤
+85°C unless otherwise specified.
Parameter
Conditions
AMSREF-01E
AMSREF-01 H
AMSREF-01 C
Min
Typ
Max
Min
Typ
Max
Min
Typ
Max
Output Voltage
Change with Temp.
Output Voltage Temp.
Coefficient
Change in V
O
Temp.
Coefficient with
Output Adjustment
Line Regulation
(Note 5)
Load Regulation
(Note 5)
(Notes 2,3)
(Note 4)
R
L
= 10kΩ
0.02
3
0.7
0.06
8.5
0.07
10
0.7
0.17
25
0.14
20
0.7
0.45
65
ELECTRICAL CHARACTERISTICS
Units
%
ppm/°C
ppm/°C
V
IN
= 13V to 33V
I
L
= 0 to 8 mA,
0.007
0.006
0.012
0.010
0.007
0.007
0.012
0.012
0.011
0.008
0.018
0.018
%V
% mA
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.
Advanced Monolithic Systems, Inc.
6680B Sierra Lane, Dublin, CA 94568 Phone (925) 556-9090 Fax (925) 556-9140
AMSREF-01
Note 2:
The output voltage change with temperature (∆V
OT
) is defined as the absolute difference between the maximum output voltage and the minimum output
voltage over the specified temperature range expressed as a percentage of 10V:
∆V
OT
=
[(V
MAX
-V
MIN
)/10V] x 100
Note 3:
∆V
OT
specification applies trimmed to +10.000V or untrimmed
Note 4:
TCV
O
is defined as
∆V
OT
divided by the temperature range: TCV
O
(-40°C to +85°C)=
[∆V
OT
(-40°C to +85°C)] / 125°C
Note 5:
Line and Load Regulation specifications include the effect of self heating.
Note 6:
During sink current test, the device meets the output voltage specified.
TYPICAL PERFORMANCE CHARACTERISTICS
Maximum Load Current vs
Input Voltage
MAXIMUM LOAD CURRENT (mA)
SHORT CIRCUIT PROTECTION
Normalized Load Regulation (∆I
L
= 10mA)
∆
vs Temperature
LOAD REG (T)/ LOAD REG (25° C)
1.4
1.3
1.2
1.1
1.0
0.9
0.8
0.7
V
IN
= 15V
Normalized Line Regulation (∆I
L
= 10mA vs
∆
Temperature
1.4
LINE REG (T)/ LINE REG (25° C)
1.3
1.2
1.1
1.0
0.9
0.8
0.7
0.6
-60 -40 -20 0 20 40 60 80 100 120 140
TEMPERATURE (° C)
35
30
25
20
15
10
5
500mW MAXIMUM
DISSIPATION
T
A
= 25° C
0
0
15
20
25
INPUT VOLTAGE (V)
30
0.6
-60 -40 -20 0 20 40 60 80 100 120 140
TEMPERATURE (° C)
Maximum Load Current vs
Temperature
MAXIMUM LOAD CURRENT (mA)
30
25
20
15
10
5
V
IN
= 15V
Quiescent Current vs
Temperature
1.3
QUIESCENT CURRENT (mA)
1.2
1.1
1.0
0.9
0.8
V
IN
= 15V
0
-60 -40 -20 0 20 40 60 80 100 120 140
TEMPERATURE (° C)
0.7
-60 -40 -20 0 20 40 60 80 100 120 140
TEMPERATURE (° C)
Advanced Monolithic Systems, Inc.
6680B Sierra Lane, Dublin, CA 94568 Phone (925) 556-9090 Fax (925) 556-9140
AMSREF-01
OUTPUT ADJUSTMENT
+15V
The REF-01 trim terminal can be used to adjust the 10V output
voltage
±
300mV. This feature allows the system designer to trim
system errors by setting the reference to a voltage other than 10V.
The system can also be set exactly 10.000V, or to 10.240V for
binary applications.
Adjustment of the output does not significantly affect the
temperature performance of the device. The temperature coefficient
change is approximately 0.7ppm/°C for 100mV of output
adjustment.
2
V
IN
V
O
REF-01
TRIM
GND
4
5
10kΩ
6
OUTPUT
TYPICAL APPLICATIONS
±
10V Reference
+15V
Precision Calibration Standard
2
V
IN
V
O
REF-01
TRIM
0.1
µF
GND
4
-
5kΩ
OP-02
+
-15V
-10V
5
6
10kΩ
10kΩ
9V
+15V
9V
+10V
1.1mA
2
V
IN
V
O
0.1
µF
REF-01
TRIM
GND
4
-
5
100kΩ
6
+
10.000V
Supply Bypassing
For best results, it is recommended that the power supply pin is bypassed with a
0.1µF disk ceramic capacitor.
Current Source
Current Sink
I
OUT
+15V
2
V
IN
V
O
REF-01
TRIM
GND
4
5
R
6
REF-01
VOLTAGE COMPLIANCE: -25V TO +3V
2
V
IN
V
O
6
VOLTAGE COMPLIANCE: -3V TO +25V
I
OUT
= (10.0V/R)+1mA
5
R
I
OUT
= (10.0V/R)+1mA
TRIM
GND
4
-15V
I
OUT
Advanced Monolithic Systems, Inc.
6680B Sierra Lane, Dublin, CA 94568 Phone (925) 556-9090 Fax (925) 556-9140
AMSREF-01
PACKAGE DIMENSIONS
inches (millimeters) unless otherwise noted.
8 LEAD SOIC PLASTIC PACKAGE (S)
0.189-0.197*
(4.801-5.004)
8
7
6
5
0.228-0.244
(5.791-6.197)
0.150-0.157**
(3.810-3.988)
1
2
3
4
0.053-0.069
(1.346-1.752)
0.004-0.010
(0.101-0.254)
0.008-0.010
(0.203-0.254)
0.010-0.020
x 45°
(0.254-0.508)
0°-8° TYP
0.014-0.019
(0.355-0.483)
0.050
(1.270)
TYP
0.016-0.050
(0.406-1.270)
S (SO-8 ) AMS DRW# 042293
*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
8 LEAD PLASTIC DIP PACKAGE (P)
0.400*
(10.160)
MAX
8
7
6
5
0.255±0.015*
(6.477±0.381)
1
2
3
4
0.045-0.065
(1.143-1.651)
0.130±0.005
(3.302±0.127)
0.300-0.325
(7.620-8.255)
0.065
(1.651)
TYP
0.005
(0.127)
MIN
0.100±0.010
(2.540±0.254)
0.125
(3.175)
MIN
0.018±0.003
(0.457±0.076)
0.015
(0.380)
MIN
0.009-0.015
(0.229-0.381)
0.325 +0.025
-0.015
(
8.255 +0.635
-0.381
)
P (8L PDIP ) AMS DRW# 042294
*DIMENSIONS DO NOT INCLUDE MOLD FLASH OR PROTUSIONS.
MOLD FLASH OR PROTUSIONS SHALL NOT EXCEED 0.010" (0.254mm)
Advanced Monolithic Systems, Inc.
6680B Sierra Lane, Dublin, CA 94568 Phone (925) 556-9090 Fax (925) 556-9140
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