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Advanced Monolithic Systems
FEATURES
* 5 Volt Output .................................... 0.3% Max * Temperature Voltage Output .................... 2.1mV/C * Adjustment Range ................................. 3% Min * Excellent Temperature Stability............... 8.5ppm/C * Low Noise ......................................... 15VP-P Max * Low Supply Current ............................ 650A Typ * Wide Input Voltage Range ...................... 7V to 40V * High Load-Driving Capability * No External Components * Short -Circuit Proof
AMSREF-02
+5V PRECISION VOLTAGE REFERENCE
APPLICATIONS
* A/D, D/A Converters * Portable Instrumentation * Digital Voltmeters * Current Sources
GENERAL DESCRIPTION
The AMSREF-02 is a precision voltage reference, which provides a stable +5V, which can be adjusted over a 6% 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 7V to 40V with a typical current drain of 650A. Low cost, low noise and low power makes the AMSREF-02 an excellent choice whenever a stable voltage reference is required. Applications include D/A and A/D converters, portable instrumentation and digital voltmeters. The versatility of AMSREF-02 is enhanced by its use as a monolithic temperature transducer. The AMSREF-02 is operational in the full industrial temperature range of -40C to 85C and is available in the 8 lead SOIC and plastic dip (PDIP) packages.
ORDERING INFORMATION:
TOL.
PACKAGE TYPE 8 LEAD PDIP AMSREF-02EP AMSREF-02HP AMSREF-02CP
8 LEAD SOIC 15mV AMSREF-02ES 25mV AMSREF-02HS 50mV AMSREF-02CS
OPERATING TEMPERATURE RANGE -40 to 85 C -40 to 85 C -40 to 85 C
PIN CONNECTIONS
8L SOIC/ 8L PDIP
N/C 1 VIN 2 8 N/C 7 N/C 6 VOUT 5 TRIM
TEMP 3 GND 4
Top View
Advanced Monolithic Systems, Inc.
6680B Sierra Lane, Dublin, CA 94568 Phone (925) 556-9090 Fax (925) 556-9140
AMSREF-02
ABSOLUTE MAXIMUM RATINGS (Note1)
Input Voltage Output Short Circuit Duration (to Ground or VIN) Operating Temperature Range Junction Temperature 40V Indefinite -40C to 85C -65C to +150C Storage temperature Soldering information (60 sec) Thermal Resistance 8 L SOIC 8 L PDIP -65C to +125C 300C 160C/W 110C/W
ELECTRICAL CHARACTERISTICS
Electrical Characteristics at VIN =+15V and TA = +25C unless otherwise specified. Parameter Conditions AMSREF-02E AMSREF-02 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 Temperature Voltage Output (Note 6) VO = 0 (Note 7) IL = 0 RP =10k 0.1Hz to 10Hz VIN = 8V to 33V IL = 0 to 10 mA, TO 0.1% of final value No Load 10 -5 4.985 3.0 5.000 6.0 10 0.006 0.005 5 0.65 21 -10 30 630 1.0 10 -5 15 0.010 0.010 5.015 4.975 3.0 5.000 6.0 10 0.006 0.006 5 0.65 21 -10 30 630 1.0 8 -5 15 0.010 0.010 5.025
AMSREF-02 C Min Typ Max
4.950 2.7 5.000 6.0 12 0.009 0.006 5 0.65 21 -10 30 630 1.0 18 0.015 0.015 5.050
Units
V % VP-P %V % mA s mA mA mA mA mV
Electrical Characteristics at VIN= 15, IL = 0mA, and -40C TA +85C unless otherwise specified. Parameter Conditions AMSREF-02E AMSREF-02 H AMSREF-02 C Min Typ Max Min Typ Max Min Typ Max
Output Voltage Change with Temp. Output Voltage Temp. Coefficient Change in VO Temp. Coefficient with Output Adjustment Line Regulation (Note 5) Load Regulation (Note 5) Temperature Voltage Output Temperature Coefficient (Notes 2,3) (Note 4) RL = 10k 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
VIN = 8V to 33V IL = 0 to 8 mA, (Note 7)
0.007 0.006 2.1
0.012 0.010
0.007 0.007 2.1
0.012 0.012
0.011 0.008 2.1
0.018 0.018
%V % mA mV/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.
Advanced Monolithic Systems, Inc.
6680B Sierra Lane, Dublin, CA 94568 Phone (925) 556-9090 Fax (925) 556-9140
AMSREF-02
Note 2: The output voltage change with temperature (VOT) 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 5V: VOT = [(VMAX -VMIN)/ 5V] x 100 Note 3: VOT specification applies trimmed to +5.000V or untrimmed Note 4: TCVO is defined as VOT divided by the temperature range: TCVO (-40C to +85C)= [VOT (-40C to +85C)] / 125C 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. Note 7: Limit current in or out of pin 3 to 50nA and capacitance on pin 3 to 30pF.
TYPICAL PERFORMANCE CHARACTERISTICS
Maximum Load Current vs Input Voltage MAXIMUM LOAD CURRENT (mA)
SHORT CIRCUIT PROTECTION
Normalized Load Regulation (IL = 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
VIN = 15V
Normalized Line Regulation 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) Quiescent Current vs Temperature 1.3 QUIESCENT CURRENT (mA) 1.2 1.1 1.0 0.9 0.8
VIN = 15V
35 30 25 20 15 10 5
500mW MAXIMUM DISSIPATION
TA = 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
Line Regulation vs Supply Voltage MAXIMUM LOAD CURRENT (mA) 0.03 30 25 20 15 10 5
LINE REGULATION (%/V)
0.02
0.01
TA = 25 C
VIN = 15V
5
10 15 20 25 INPUT VOLTAGE (V)
30
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-02
OUTPUT ADJUSTMENT
The REF-02 trim terminal can be used to adjust the 5 Volt output voltage 300mV. This feature allows the system designer to trim system errors by setting the reference to a voltage other than 5V. The system can also be set exactly 5.000V, or to 5.12V 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.
+15V
2 VIN VO REF-02 3 TEMP TRIM 5 10k 6 OUTPUT
GND 4
TYPICAL APPLICATIONS
5V Reference
+15V
2 VIN VO REF-02 3 TRIM GND 4 5k OP-02 + -15V -5V 5 6 10k 10k +15V +5V
0.1 F
Supply Bypassing For best results, it is recommended that the power supply pin is bypassed with a 0.1F disk ceramic capacitor.
Current Source
+15V IOUT 2 VO REF-02 3 TRIM GND 4 5 R 6 VIN VO REF-02 3 TRIM GND 4 5 6
Current Sink
VOLTAGE COMPLIANCE: -25V TO +8V
2 VIN
VOLTAGE COMPLIANCE: -8V TO +25V
IOUT= (5.0V/R)+1mA
IOUT= (5.0V/R)+1mA
R
IOUT
-15V
Advanced Monolithic Systems, Inc.
6680B Sierra Lane, Dublin, CA 94568 Phone (925) 556-9090 Fax (925) 556-9140
AMSREF-02
TYPICAL APPLICATIONS (Continued)
Precision Temperature Transducer with Remote Sensor
+15V
2 VIN VO REF-02 TRIM 5 TEMP 3 GND 4 * RBP RS 1.5k, 5% RP 50k RB1 3 + 2 7 OP-02 4 6 VOUT 6 VREF RA RC
0.1 F
* UP TO 10 " OF SHIELDED 4-CONDUCTOR CABLE
-15V
RESISTOR VALUES TCVOUT SLOPE(S) TEMPERATURE RANGE OUTPUT VOLTAGE RANGE ZERO SCALE RA ( 1% resistor) RB1( 1% resistor) RBP (Potentiometer) RC ( 1% resistor) 10mV/C -40C to +85C -0.40V to +0.85V 0V @ 0C 9.09k 1.5k 200k 5.11k 100mV/C -40C to +85C -0.40V to +0.85V 0V @ 0C 15k 1.82k 500k 84.5k TEMP. VOLTAGE OUTPUT (mV)
Typical Temperature Voltage Output vs Temperature 880 830 780 730 680 630 580 530 480 430 -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-02
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
0.2550.015* (6.4770.381)
1
2
3
4
0.045-0.065 (1.143-1.651)
0.1300.005 (3.3020.127)
0.300-0.325 (7.620-8.255)
0.065 (1.651) TYP 0.005 (0.127) MIN 0.1000.010 (2.5400.254) 0.125 (3.175) MIN 0.0180.003 (0.4570.076) 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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