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Precision 2.5 V, 5.0 V, and 10.0 V Voltage References REF01/REF02/REF03 Rev. K 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. Tel: 781.329.4700 www.analog.com Fax: 781.461.3113 ©2000–2010 Analog Devices, Inc. All rights reserved.

FEATURES

REF01: 10.0 V, ±0.3% maximum REF02: 5.0 V, ±0.3% maximum REF03: 2.5 V, ±0.6% maximum Adjustable output: ± 3% minimum Excellent temperature stability REF01: 8.5 ppm/°C maximum REF02: 8.5 ppm/°C maximum REF03: 50 ppm/°C maximum Low noise REF01: 30 μV p-p typical REF02: 15 μV p-p typical REF03: 6 μV p-p typical High supply voltage range: up to 36 V maximum Low supply current: 1.4 mA maximum High load-driving capability: 10 mA maximum Temperature output function

APPLICATIONS

High resolution converters Industrial process control systems Precision instruments Military and aerospace applications GENERAL DESCRIPTION The REF0x series of precision voltage references provide a stable 10.0 V , 5.0 V , or 2.5 V output with minimal change in response to variations in supply voltage, ambient temperature or load conditions. The parts are available in 8-lead SOIC, PDIP , CERDIP , and TO-99 packages, as well as 20-terminal LCC packages (883 only), furthering the parts’ usability in both standard and high stress applications. With an external buffer and a simple resistor network, the TEMP terminal can be used for temperature sensing and approximation. A TRIM terminal is also provided on the device for fine adjustment of the output voltage. The small footprint, wide supply range, and application versatility make the REF0x series of references ideal for general- purpose and space-constrained applications. Newer designs should use the ADR0x series of references, which offer higher accuracy and temperature stability over a wider operating temperature range, while maintaining full pin- for-pin compatibility with the REF0x series. This data sheet applies to commercial-grade products only. Contact sales or visit analog.com for military-grade (883) data sheets. Table 1. Selection Guide FOR FACTORY TESTING PURPOSES. Figure 1. 8-Lead PDIP (P-Suffix), FOR FACTORY TESTING PURPOSES. Figure 2. 8-Lead TO-99 (J-Suffix)

15 VOUT

FOR FACTORY TESTING PURPOSES. Figure 3. 20-Terminal LCC (RC-Suffix;

883 Parts Only)

Rev. K | Page 2 of 20 TABLE OF CONTENTS

REVISION HISTORY

10/10—Rev. J to Rev. K Deleted Negative References Section and Figure 39; 10/09—Rev. J: Initial Version

Rev. K | Page 3 of 20 SPECIFICATIONS REF01 SPECIFICATIONS VIN = 15 V , TA = 25°C, ILOAD = 0 mA, all grades, unless otherwise noted. Parameter Symbol Conditions Min Typ Max Unit OUTPUT VOLTAGE VO A and E grades 9.97 10.00 10.03 V H grade 9.95 10.00 10.05 V C grade 9.90 10.00 10.10 V OUTPUT ADJUSTMENT RANGE1 ΔV TRIM A, E and H grades, POT = 10 kΩ ±3.0 ±3.3 % C grade, POT = 10 kΩ ±2.7 ±3.0 % INITIAL ACCURACY VOERR A and E grades ±30 mV ±0.3 % H grade ±50 mV ±0.5 % C grade ±100 mV ±1.0 % TEMPERATURE COEFFICIENT TCVO A and E grades, −55°C ≤ TA ≤ +125°C 3.0 8.5 ppm/°C H grade, 0°C ≤ TA ≤ +70°C 10 25 ppm/°C C grade, 0°C ≤ TA ≤ +70°C (-J and -Z packages) 20 65 ppm/°C C grade, −40 ≤ TA ≤ +85°C (-P and -S packages) 20 65 ppm/°C LINE REGULATION2 ∆V O/∆VIN A, E and H grades, VIN = 13 V to 33 V 60 100 ppm/V A, E and H grades, VIN = 13 V to 33 V, 0°C ≤ TA ≤ +70°C 70 120 ppm/V A, E and H grades, VIN = 13 V to 33 V, −55°C ≤ TA ≤ +125°C 90 150 ppm/V C grade, VIN = 13 V to 33 V 90 150 ppm/V C grade, VIN = 13 V to 30 V, 0°C ≤ TA ≤ +70°C (-J and -Z packages) 110 180 ppm/V C grade, VIN = 13 V to 30 V, −40°C ≤ TA ≤ +85°C (-P and -S packages) 110 180 ppm/V LOAD REGULATION2 ∆VO/∆ILOAD A and E grades, ILOAD = 0 mA to 10 mA 50 80 ppm/mA A and E grades, ILOAD = 0 mA to 8 mA, 0°C ≤ TA ≤ +70°C 60 100 ppm/mA A and E grades, ILOAD = 0 mA to 8 mA, −55°C ≤ TA ≤ +125°C 90 150 ppm/mA H grade, ILOAD = 0 mA to 10 mA 60 100 ppm/mA H grade, ILOAD = 0 mA to 8 mA, 0°C ≤ TA ≤ +70°C 70 120 ppm/mA H grade, ILOAD = 0 mA to 8 mA, −50°C ≤ TA ≤ +125°C 90 150 ppm/mA C grade, ILOAD = 0 mA to 8 mA 60 150 ppm/mA C grade, ILOAD = 0 mA to 5 mA, 0°C ≤ TA ≤ +70°C (-J and -Z packages) 80 180 ppm/mA C grade, ILOAD = 0 mA to 5 mA, −40°C ≤ TA ≤ +85°C (-P and -S packages) 80 180 ppm/mA DROPOUT VOLTAGE VDO 2 V QUIESCENT CURRENT IIN A, E, and H grades 1.0 1.4 mA C grade 1.0 1.6 mA LOAD CURRENT ILOAD Sourcing A, E, and H grades 10 mA C grade 8 mA Sinking −0.3 mA SHORT CIRCUIT TO GND ISC V O = 0 V 30 mA VOLTAGE NOISE eN p-p 0.1 Hz to 10.0 Hz (-S, -Z and -P packages) 30 μV p-p 0.1 Hz to 10.0 Hz (-J package) 35 μV p-p LONG-TERM STABILITY3 ∆V O After 1000 hours of operation 50 ppm TURN-ON SETTLING TIME tR Output settling to within ±0.1% of final value 5 μs TEMPERATURE SENSOR4 Voltage Output at TEMP Pin VTEMP 580 mV Temperature Sensitivity TCVTEMP 1.96 mV/°C 1 Refer to the Output Adjustment section. 2 Specification includes the effects of self-heating. 3 Long-term stability is noncumulative; the drift in subsequent 1000-hour periods is significantly lower than in the first 1000-hour periods. Refer to Application Note AN-713. 4 Refer to the Temperature Monitoring section.

Rev. K | Page 4 of 20 REF02 SPECIFICATIONS VIN = 15 V , TA = 25°C, ILOAD = 0 mA, all grades, unless otherwise noted. Nongraded refers to REF02Z. Parameter Symbol Conditions Min Typ Max Unit OUTPUT VOLTAGE VO A and E grades 4.985 5.000 5.015 V H grade and nongraded 4.975 5.000 5.025 V C grade 4.950 5.000 5.050 V OUTPUT ADJUSTMENT RANGE1 ΔV TRIM A, E, H grades and nongraded, POT = 10 kΩ ±3.0 ±6.0 % C grade, POT = 10 kΩ ±2.7 ±6.0 % INITIAL ACCURACY VOERR A and E grades ±15 mV ± 0 . 3 % H grade and nongraded ±25 mV ± 0 . 5 % C grade ±50 mV ± 1 % TEMPERATURE COEFFICIENT TCVO A grade and non-graded, −55°C ≤ TA ≤ +125°C 3 8.5 ppm/°C E and H grades, 0°C ≤ TA ≤ +70°C 10 25 ppm/°C C grade, 0°C ≤ TA ≤ +70°C (-J and -Z packages) 20 65 ppm/°C C grade, −40 ≤ TA ≤ +85°C (-P and -S packages) 20 65 ppm/°C LINE REGULATION2 ∆V O/∆VIN A, E, H grades and nongraded, VIN = 8 V to 36 V 60 100 ppm/V A, E, H grades and nongraded, VIN = 8 V to 36 V, 0°C ≤ TA ≤ +70°C 70 120 ppm/V A, E, H grades and nongraded, VIN = 8V to 36 V, −55°C ≤ TA ≤ +125°C 90 150 ppm/V C grade, VIN = 8 V to 36 V 90 150 ppm/V C grade, VIN = 8 V to 36 V, 0°C ≤ TA ≤ +70°C (-J and -Z packages) 110 180 ppm/V C grade, VIN = 8 V to 36 V,−40°C ≤ TA ≤ +85°C (-P and -S packages) 110 180 ppm/V LOAD REGULATION2 ∆VO/∆ILOAD A and E grades, ILOAD = 0 mA to 10 mA 60 100 ppm/mA A and E grades, ILOAD = 0 mA to 8 mA, 0°C ≤ TA ≤ +70°C 60 100 ppm/mA A and E grades, ILOAD = 0 mA to 8 mA, −55°C ≤ TA ≤ +125°C 70 120 ppm/mA H grade and nongraded, ILOAD = 0 mA to 10 mA 60 100 ppm/mA H grade and nongraded, ILOAD = 0 mA to 8 mA, 0°C ≤ TA ≤ +70°C 70 120 ppm/mA H grade and nongraded, ILOAD = 0 mA to 8 mA, −50°C ≤ TA ≤ +125°C 90 150 ppm/mA C grade, ILOAD = 0 mA to 8 mA 60 150 ppm/mA C grade, ILOAD = 0 mA to 5 mA, 0°C ≤ TA ≤ +70°C (-J and -Z packages) 80 180 ppm/mA C grade, ILOAD = 0 mA to 5 mA, −40°C ≤ TA ≤ +85°C (-P and -S packages) 80 180 ppm/mA DROPOUT VOLTAGE VDO 2 V QUIESCENT CURRENT IIN A, E, H grades and nongraded 1.0 1.4 mA C grade 1.0 1.6 mA LOAD CURRENT ILOAD Sourcing A, E, H grades and nongraded 10 mA C grade 8 mA Sinking −0.3 mA SHORT CIRCUIT TO GND ISC V O = 0 V 30 mA VOLTAGE NOISE eN p-p 0.1 Hz to 10.0 Hz (-S, -Z and -P packages) 15 μV p-p 0.1 Hz to 10.0 Hz (-J package) 20 μV p-p LONG-TERM STABILITY3 ∆V O After 1000 hours of operation 50 ppm TURN-ON SETTLING TIME tR Output settling to within ±0.1% of final value 5 μs TEMPERATURE SENSOR4 Voltage Output at TEMP Pin VTEMP 580 mV Temperature Sensitivity TCVTEMP 1.96 mV/°C 1 Refer to the section. Output Adjustment 2 Specification includes the effects of self-heating. 3 Long-term stability is noncumulative; the drift in subsequent 1000-hour periods is significantly lower than in the first 1000-hour periods. Refer to Application Note AN-713. 4 Refer to the Temperature Monitoring section.

Rev. K | Page 5 of 20 REF03 SPECIFICATIONS VIN = 15 V , −40°C ≤ TA ≤ +85°C, ILOAD = 0 mA, unless otherwise noted. Parameter Symbol Conditions Min Typ Max Unit OUTPUT VOLTAGE VO 2.495 2.500 2.515 V OUTPUT ADJUSTMENT RANGE1 ΔV TRIM POT = 10 kΩ ±6 ±11 % INITIAL ACCURACY VOERR ±15 mV ±0.6 % TEMPERATURE COEFFICIENT TCVO 10 50 ppm/°C LINE REGULATION2 ∆V O/∆VIN V IN = 4.5 V to 33 V 20 50 ppm/V LOAD REGULATION2 ∆V O/∆ILOAD I LOAD = 0 mA to 10 mA 60 100 ppm/mA DROPOUT VOLTAGE VDO 2 V QUIESCENT CURRENT IIN 1.0 1.4 mA LOAD CURRENT ILOAD Sourcing 10 mA Sinking −0.3 mA SHORT CIRCUIT TO GND ISC V O = 0 V 24 mA VOLTAGE NOISE eN p-p 0.1 Hz to 10.0 Hz 6 μV p-p LONG-TERM STABILITY3 ∆V O After 1000 hours of operation 50 ppm TURN-ON SETTLING TIME tR Output settling to within ±0.1% of final value 5 μs TEMPERATURE SENSOR4 Voltage Output at TEMP Pin VTEMP 580 mV Temperature Sensitivity TCVTEMP 1.96 mV/°C 1 Refer to the section. Output Adjustment 2 Specification includes the effects of self-heating. 3 Long-term stability is noncumulative; the drift in subsequent 1000-hour periods is significantly lower than in the first 1000-hour periods. Refer to Application Note AN-713. 4 Refer to the Temperature Monitoring section.

soldered in a circuit board for surface-mount packages. Table 3. Thermal Resistance

Figure 4. 8-Lead PDIP (P-Suffix), 8-Lead CERDIP (Z-Suffix), 8-Lead SOIC (S-Suffix) Pin Configuration Table 4. Pin Function Descriptions—PDIP, CERDIP, and SOIC Packages 1, 7, 8 NC No Internal Connection. Leave floating or tied to ground in actual application. 2 V IN Supply Voltage Input. 3 TEMP Temperature (Band Gap) Output. Refer to the Temperature Monitoring section. 5 TRIM Output Voltage Trim. Refer to the Output Adjustment section. 6 V OUT Reference Voltage Output. Figure 5. 8-Lead TO-99 (J-Suffix) Pin Configuration Table 5. Pin Function Descriptions—8-Lead TO-99 Package 1, 3, 7, 8 NC No Internal Connection. Leave floating or tied to ground in actual application. 2 V IN Supply Voltage Input. 5 TRIM Output Voltage Trim. Refer to the Output Adjustment section. 6 V OUT Reference Voltage Output. Figure 6. 20-Terminal LCC (RC-Suffix) Pin Configuration Table 6. Pin Function Descriptions—20-Terminal LCC Package NC No Internal Connection. Leave floating or tied to ground in actual application. 5 V IN Supply Voltage Input. 7 TEMP Temperature (Band Gap) Output. Refer to the Temperature Monitoring section. 12 TRIM Output Voltage Trim. Refer to the Output Adjustment section. 15 V OUT Reference Voltage Output.

Rev. K | Page 13 of 20 TERMINOLOGY Dropout Voltage (VDO) Dropout voltage, sometimes referred to as supply voltage headroom or supply-output voltage differential, is defined as the minimum voltage differential between the input and output necessary for the device to operate. () constantmin =− = L OUTINDO IV V V Since the dropout voltage depends upon the current passing through the device, it is always specified for a given load current. Temperature Coefficient (TCVO) The temperature coefficient relates the change in output voltage to the change in ambient temperature of the device, as normal- ized by the output voltage at 25°C. This parameter is expressed in ppm/°C and can be determined by the following equation: () ( ) 6 o o ×− × 1 2OUT 1OUT2OUT OUT T TV T V T VTCV where: VOUT(25°C) is output voltage at 25°C. VOUT(T1) is output voltage at temperature 1. VOUT(T2) is output voltage at temperature 2. Thermally Induced Output Voltage Hysteresis (ΔVOUT_HYS) Thermally induced output voltage hysteresis represents the change in output voltage after the device is exposed to a specified temperature cycle. This may be expressed as either a shift in voltage or a difference in ppm from the nominal output. () []VC 25 __ TCOUTOUTHYS OUT VVV −= o () []ppm 10C 25 C 25 6_ _ ×−= o o OUT TC OUTOUT HYS OUT V VVV where: VOUT(25°C)is output voltage at 25°C. VOUT_TC is output voltage after temperature cycling. Thermal hysteresis occurs mainly as a result of forces exhibited upon the internal die by its packaging. The effect is more pronounced in parts with smaller packages. Long-T erm Stability (ΔVOUT_LTD) Long-term stability refers to the shift in output voltage at 25°C after 1000 hours of operation in a 25°C environment. This may also be expressed as either a shift in voltage or a difference in ppm from the nominal output. () () []V0_ t V t VΔV OUT1OUTLTD OUT −= () () () []ppmt V t V t VΔV OUT OUT1OUT LTD OUT _ 10×−= where: VOUT(t0) is VOUT at 25°C at time 0. VOUT(t1) is VOUT at 25°C after 1000 hours of operation at 25°C. Line Regulation Line regulation refers to the change in output voltage in response to a given change in input voltage. It is expressed in either percent per volt, ppm per volt, or microvolt per volt change in input voltage. This parameter accounts for the effects of self-heating. Load Regulation Load regulation refers to the change in output voltage in response to a given change in load current, and is expressed in either microvolts per milliamp, ppm per milliamp, or ohms of DC output resistance. This parameter accounts for the effects of self-heating.

Rev. K | Page 20 of 20 REF01 ORDERING GUIDE Model1, 2 Initial Accuracy (mV) Temperature Range Package Description Package Option REF01AJ/883C ±30 −55°C to +125°C 8-Pin TO-99 J-Suffix (H-08) REF01CJ ±100 0°C to 70°C 8-Pin TO-99 J-Suffix (H-08) REF01EZ ±30 −40°C to +85°C 8-Lead CERDIP Z-Suffix (Q-8) REF01HZ ±50 −40°C to +85°C 8-Lead CERDIP Z-Suffix (Q-8) REF01CPZ ±100 −40°C to +85°C 8-Lead PDIP P-Suffix (N-8) REF01HPZ ±50 −40°C to +85°C 8-Lead PDIP P-Suffix (N-8) REF01CS ±100 −40°C to +85°C 8-Lead SOIC_N S-Suffix (R-8) REF01CS-REEL ±100 −40°C to +85°C 8-Lead SOIC_N S-Suffix (R-8) REF01CS-REEL7 ±100 −40°C to +85°C 8-Lead SOIC_N S-Suffix (R-8) REF01CSZ ±100 −40°C to +85°C 8-Lead SOIC_N S-Suffix (R-8) REF01CSZ-REEL ±100 −40°C to +85°C 8-Lead SOIC_N S-Suffix (R-8) REF01CSZ-REEL7 ±100 −40°C to +85°C 8-Lead SOIC_N S-Suffix (R-8) 1 Contact sales for 883 data sheet. 2 Z = RoHS Compliant Part. REF02 ORDERING GUIDE Model1, 2 Initial Accuracy (mV) Temperature Range Package Description Package Option REF02AJ/883C ±15 −55°C to +125°C 8-Pin TO-99 J-Suffix (H-08) REF02AZ ±15 −55°C to +125°C 8-Lead CERDIP Z-Suffix (Q-8) REF02AZ/883C ±15 −55°C to +125°C 8-Lead CERDIP Z-Suffix (Q-8) REF02CP ±50 −40°C to +85°C 8-Lead PDIP P-Suffix (N-8) REF02CPZ ±50 −40°C to +85°C 8-Lead PDIP P-Suffix (N-8) REF02CS ±50 −40°C to +85°C 8-Lead SOIC_N S-Suffix (R-8) REF02CS-REEL ±50 −40°C to +85°C 8-Lead SOIC_N S-Suffix (R-8) REF02CS-REEL7 ±50 −40°C to +85°C 8-Lead SOIC_N S-Suffix (R-8) REF02CSZ ±50 −40°C to +85°C 8-Lead SOIC_N S-Suffix (R-8) REF02CSZ-REEL ±50 −40°C to +85°C 8-Lead SOIC_N S-Suffix (R-8) REF02CSZ-REEL7 ±50 −40°C to +85°C 8-Lead SOIC_N S-Suffix (R-8) REF02EZ ±15 −40°C to +85°C 8-Lead CERDIP Z-Suffix (Q-8) REF02HZ ±25 −40°C to +85°C 8-Lead CERDIP Z-Suffix (Q-8) REF02HPZ ±25 −40°C to +85°C 8-Lead PDIP P-Suffix (N-8) REF02HSZ ±25 −40°C to +85°C 8-Lead SOIC_N S-Suffix (R-8) REF02RC/883 ±25 −55°C to +125°C 20-Terminal LCC RC-Suffix (E-20-1) REF02Z ±25 −55°C to +125°C 8-Lead CERDIP Z-Suffix (Q-8) 1 Contact sales for 883 data sheet. 2 Z = RoHS Compliant Part. REF03 ORDERING GUIDE Model1 Initial Accuracy (mV) Temperature Range Package Description Package Option REF03GPZ ±15 −40°C to +85°C 8-Lead PDIP N-8 (P-Suffix) REF03GSZ ±15 −40°C to +85°C 8-Lead SOIC_N R-8 (P-Suffix) REF03GSZ-REEL ±15 −40°C to +85°C 8-Lead SOIC_N R-8 (P-Suffix) REF03GSZ-REEL7 ±15 −40°C to +85°C 8-Lead SOIC_N R-8 (P-Suffix) 1 Z = RoHS Compliant Part. ©2000–2010 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the prop erty of their respective owners. D00375-0-10/10(K)