ref02aj-883c Analog Devices, Inc., ref02aj-883c Datasheet

ref02aj-883c

Manufacturer Part Number

ref02aj-883c

Description

5v Precision Voltage Reference/temperature Transducer

Manufacturer

Analog Devices, Inc.

Datasheet

1.REF02AJ-883C.pdf (16 pages)

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FEATURES

5 V output: ±0.3% maximum

Temperature voltage output: 1.96 mV/°C

Adjustment range: ±3% minimum

Excellent temperature stability: 8.5 ppm/°C maximum

Low noise: 15 µV p-p maximum

Low supply current: 1.4 mA maximum

Wide input voltage range: 7 V to 40 V

High load-driving capability: 10 mA

No external components

Short-circuit proof

GENERAL DESCRIPTION

The REF02 precision voltage reference provides a stable 5 V

output that can be adjusted over a ±6% range with minimal

effect on temperature stability. Single-supply operation over an

input voltage range of 7 V to 40 V, low current drain of 1 mA,

and excellent temperature stability are achieved with an

improved band gap design. Low cost, low noise, and low power

make the REF02 an excellent choice whenever a stable voltage

reference is required. Applications include DACs and ADCs,

portable instrumentation, and digital voltmeters. The versatility

of the REF02 is enhanced by its use as a monolithic temperature

transducer. For new designs, refer to the ADR02.

Rev. I

Information furnished by Analog Devices is believed to be accurate and reliable. However, no

responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other

rights of third parties that may result from its use. Specifications subject to change without notice. No

license is granted by implication or otherwise under any patent or patent rights of Analog Devices.

Trademarks and registered trademarks are the property of their respective owners.

REF02 OPTION

883C PRODUCT

P, S, J, Z PACKAGES 18kΩ

OUTPUT RESISTORS

18kΩ

TEMP

R11

2kΩ

4.5kΩ

*SEE OUTPUT RESISTORS

R12

6.1kΩ

15kΩ

Figure 4. Simplified Schematic

Reference/Temperature Transducer

Q20

R10

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781.329.4700

Fax: 781.461.3113

Q14

Q10

R14

Q12

Q11

≈

1.23V

Figure 2. 8-Lead PDIP (P-Suffix), 8-Lead CERDIP (Z-Suffix)

Q17

Q13

R13

NC = NO CONNECT. DO NOT CONNECT ANYTHING

ON THESE PINS. SOME OF THEM ARE RESERVED

FOR FACTORY TESTING PURPOSES.

NC = NO CONNECT. DO NOT CONNECT ANYTHING

ON THESE PINS. SOME OF THEM ARE RESERVED

FOR FACTORY TESTING PURPOSES.

NC = NO CONNECT. DO NOT CONNECT ANYTHING

ON THESE PINS. SOME OF THEM ARE RESERVED

FOR FACTORY TESTING PURPOSES.

Q21

Figure 3. 20-Terminal LCC (RC-Suffix)

PIN CONFIGURATIONS

5 V Precision Voltage

Figure 1. 8-Lead TO-99 (J-Suffix)

TEMP

and 8-Lead SOIC (S-Suffix)

GND

Q15

Q18

(Not to Scale)

GROUND

TOP VIEW

(CASE)

REF02

Q16

R11*

R15

R9*

R12*

Q19

TRIM

OUT

TRIM

OUT

TRIM

GROUND

INPUT

OUTPUT

OUT

www.analog.com

REF02

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ref02aj-883c Summary of contents

Page 1

... CONNECT. DO NOT CONNECT ANYTHING ON THESE PINS. SOME OF THEM ARE RESERVED FOR FACTORY TESTING PURPOSES. Figure 3. 20-Terminal LCC (RC-Suffix) INPUT 2 Q15 R15 Q13 Q18 Q16 Q19 Q21 Q17 OUTPUT 6 R13 R12* R9* TRIM 5 R11* GROUND 4 www.analog.com © 2005 Analog Devices, Inc. All rights reserved. REF02 ...

Page 2

REF02 TABLE OF CONTENTS Features .............................................................................................. 1 General Description ......................................................................... 1 Pin Configurations ........................................................................... 1 Revision History ............................................................................... 2 Specifications..................................................................................... 3 Electrical Specifications............................................................... 3 Absolute Maximum Ratings............................................................ 7 Thermal Resistance ...................................................................... 7 ESD Caution.................................................................................. 7 REVISION HISTORY 12/05—Rev ...

Page 3

SPECIFICATIONS ELECTRICAL SPECIFICATIONS @ 25°C, unless otherwise noted Table 1. Parameter Symbol Output Voltage V O Output Adjustment Range ∆V TRIM 1 Output Voltage Noise e p and S ...

Page 4

REF02 @ −55°C ≤ T ≤ +125°C for REF02A and REF02; 0°C ≤ noted. Table 2. Parameter Output Voltage Change 1, 2 with Temperature Output Voltage Temperature Coefficient Change in V Temperature Coefficient ...

Page 5

25°C, unless otherwise noted Table 3. Parameter Symbol Output Voltage V O Output Adjustment Range ∆V TRIM 1 Output Voltage Noise e p and S Packages J Package ...

Page 6

REF02 @ mA, 0°C ≤ T ≤ 70°C for REF02CJ, REF02CZ, and REF02DP; and −40°C ≤ unless otherwise noted. Table 4. Parameter Output Voltage Change 1, 2 with Temperature ...

Page 7

ABSOLUTE MAXIMUM RATINGS Table 5. Parameter Input Voltage Output Short-Circuit Duration to Ground Storage Temperature Range J, RC, and Z Packages P Package Operating Temperature Range REF02A, REF02J, REF02RC REF02CJ, REF02CZ REF02CP, REF02CS, REF02E, and REF02H Lead ...

Page 8

REF02 TYPICAL PERFORMANCE CHARACTERISTICS 10k V = 15V 25° 100 10 10 100 1k 10k FREQUENCY (Hz) Figure 5. Output Wideband Noise vs. Bandwidth (0 Frequency Indicated ...

Page 9

INPUT VOLTAGE (V) Figure 11. Line Regulation vs. Input Voltage 1 15V IN 1.2 1.1 1.0 0.9 0.8 0.7 –60 –40 – TEMPERATURE (°C) Figure ...

Page 10

REF02 OUTPUT ADJUSTMENT The REF02 trim terminal can be used to adjust the output voltage over ± 300 mV range. This feature lets the system designer trim system errors by setting the reference to a voltage other ...

Page 11

TEMPERATURE MONITORING The REF02 provides a TEMP output (Pin 3) that varies linearly with temperature. This output can be used to monitor the temperature change in the system. The voltage at V approximately 550 mV at 25°C, and the temperature ...

Page 12

REF02 PRECISION CURRENT SOURCE A current source with 35 V output compliance and excellent output impedance can be obtained using this circuit. REF02 keeps the line voltage and power dissipation constant in the device; the only important error consideration at ...

Page 13

OUTLINE DIMENSIONS 0.005 (0.13) 0.055 (1.40) MIN MAX 8 5 0.310 (7.87) 0.220 (5.59 0.100 (2.54) BSC 0.405 (10.29) MAX 0.060 (1.52) 0.200 (5.08) MAX 0.015 (0.38) 0.150 (3.81) 0.200 (5.08) MIN 0.125 (3.18) SEATING 0.023 (0.58) PLANE ...

Page 14

REF02 5.00 (0.1968) 4.80 (0.1890 6.20 (0.2440) 4.00 (0.1574) 5.80 (0.2284) 3.80 (0.1497 1.27 (0.0500) BSC 1.75 (0.0688) 1.35 (0.0532) 0.25 (0.0098) 0.10 (0.0040) 0.51 (0.0201) COPLANARITY 0.25 (0.0098) 0.31 (0.0122) SEATING 0.10 0.17 (0.0067) PLANE ...

Page 15

... ORDERING GUIDE T = 25°C A Model V Max (mV) ∆ REF02AJ/883C ±15 REF02AZ ±15 1 REF02AZ/883C ±15 REF02CJ ±50 REF02CP ±50 2 REF02CPZ ±50 REF02CS ±50 REF02CS-REEL ±50 REF02CS-REEL7 ±50 2 REF02CSZ ±50 2 REF02CSZ-REEL ±50 REF02CSZ-REEL7 2 ±50 REF02CZ ±50 REF02DP ±100 2 REF02DPZ ±100 REF02EJ ±15 REF02EZ ± ...

Page 16

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