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ADR420 데이터시트 PDF




Analog Devices에서 제조한 전자 부품 ADR420은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


 

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부품번호 ADR420 기능
기능 Ultraprecision Low Noise/ 2.048 V/2.500 V/ 3.00 V/5.00 V XFET Voltage References
제조업체 Analog Devices
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ADR420 데이터시트, 핀배열, 회로
a Ultraprecision Low Noise, 2.048 V/2.500 V/
3.00 V/5.00 V XFET® Voltage References
ADR420/ADR421/ADR423/ADR425
FEATURES
Low Noise (0.1 Hz to 10 Hz)
ADR420: 1.75 V p-p
ADR421: 1.75 V p-p
ADR423: 2.0 V p-p
ADR425: 3.4 V p-p
Low Temperature Coefficient: 3 ppm/؇C
Long-Term Stability: 50 ppm/1000 Hours
Load Regulation: 70 ppm/mA
Line Regulation: 35 ppm/V
Low Hysteresis: 40 ppm Typical
Wide Operating Range
ADR420: 4 V to 18 V
ADR421: 4.5 V to 18 V
ADR423: 5 V to 18 V
ADR425: 7 V to 18 V
Quiescent Current: 0.5 mA Maximum
High Output Current: 10 mA
Wide Temperature Range: –40؇C to +125؇C
APPLICATIONS
Precision Data Acquisition Systems
High-Resolution Converters
Battery-Powered Instrumentation
Portable Medical Instruments
Industrial Process Control Systems
Precision Instruments
Optical Network Control Circuits
GENERAL DESCRIPTION
The ADR42x series are ultraprecision second-generation XFET
voltage references featuring low noise, high accuracy, and excellent
long-term stability in a SOIC and Mini_SOIC footprints. Patented
temperature drift curvature correction technique and XFET (eXtra
implanted junction FET) technology minimize nonlinearity of the
voltage change with temperature. The XFET architecture offers
superior accuracy and thermal hysteresis to the bandgap
references. It also operates at lower power and lower supply
headroom than the Buried Zener references.
The superb noise, stable, and accurate characteristics of ADR42x
make them ideal for precision conversion applications such as
optical network and medical equipment. The ADR42x trim
terminal can also be used to adjust the output voltage over a
±0.5% range without compromising any other performance. The
ADR42x series voltage references offer two electrical grades and
are specified over the extended industrial temperature range
of –40°C to +125°C. Devices are available in 8-lead SOIC-8 or
30% smaller 8-lead Mini_SOIC-8 packages.
PIN CONFIGURATION
Surface-Mount Packages
8-Lead SOIC
8-Lead Mini_SOIC
TP 1
8 TP
VIN 2 ADR42x 7 NIC
NIC 3 TOP VIEW 6 VOUT
GND 4 (Not to Scale) 5 TRIM
NIC = NO INTERNAL CONNECTION
TP = TEST PIN (DO NOT CONNECT)
Table I. ADR42x Products
ADR420
Products
ADR420
ADR421
ADR423
ADR425
Output
Voltage
VO
2.048
2.50
3.00
5.00
Initial
Accuracy
mV %
Tempco
ppm/°C
1, 3
1, 3
1.5, 4
2, 6
0.05, 0.15
0.04, 0.12
0.04, 0.12
0.04, 0.12
3, 10
3, 10
3, 10
3, 10
XFET is a registered trademark of Analog Devices, Inc.
REV. B
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. No license is granted by implication or otherwise
under any patent or patent rights of Analog Devices.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
www.analog.com
Fax: 781/326-8703
© Analog Devices, Inc., 2002




ADR420 pdf, 반도체, 판매, 대치품
ADR420/ADR421/ADR423/ADR425
ABSOLUTE MAXIMUM RATINGS*
Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 V
Output Short-Circuit Duration to GND . . . . . . . . . Indefinite
Storage Temperature Range
R, RM Packages . . . . . . . . . . . . . . . . . . . . –65°C to +150°C
Operating Temperature Range
ADR42x . . . . . . . . . . . . . . . . . . . . . . . . . . –40°C to +125°C
Junction Temperature Range
R, RM Packages . . . . . . . . . . . . . . . . . . . . –65°C to +150°C
Lead Temperature Range (Soldering, 60 sec) . . . . . . . 300°C
*Absolute maximum ratings apply at 25°C, unless otherwise noted.
PIN CONFIGURATIONS
SOIC-8
Mini_SOIC-8
TP 1
VIN 2
NIC 3
GND 4
ADR42x
8 TP
7 NIC
6 VOUT
5 TRIM
NIC = NO INTERNAL CONNECTION
TP = TEST PIN (DO NOT CONNECT)
TP 1
VIN 2
NIC 3
GND 4
ADR42x
8 TP
7 NIC
6 VOUT
5 TRIM
NIC = NO INTERNAL CONNECTION
TP = TEST PIN (DO NOT CONNECT)
PIN FUNCTION DESCRIPTIONS
Pin Mnemonic Description
1, 8 TP
2 VIN
3, 7 NIC
4 GND
5 TRIM
6 VOUT
Test Pin. There are actual connections in TP
pins but they are reserved for factory testing
purposes. Users should not connect any-
thing to TP pins, otherwise the device may
not function properly.
Input Voltage
No Internal Connect. NICs have no internal
connections.
Ground Pin = 0 V
Trim Terminal. It can be used to adjust the
output voltage over a ± 0.5% range without
affecting the temperature coefficient.
Output Voltage
Package Type
8-Lead Mini_SOIC (RM)
8-Lead SOIC (R)
θJA* Unit
190 °C/W
130 °C/W
*θJA is specified for the worst-case conditions, i.e., θJA is specified for device soldered
in circuit board for surface-mount packages.
ORDERING GUIDE
Model
Output
Voltage
VO
ADR420AR
2.048
ADR420AR-Reel7 2.048
ADR420BR
2.048
ADR420BR-Reel7 2.048
ADR420ARM-Reel7 2.048
Initial
Accuracy
mV %
3 0.15
3 0.15
1 0.05
1 0.05
3 0.15
Temperature
Coefficient
ppm/°C
10
10
3
3
10
Package
Description
SOIC
SOIC
SOIC
SOIC
Mini_SOIC
Package Top
Option Mark
Number of
Parts per
Reel
SO-8
SO-8
SO-8
SO-8
RM-8
ADR420
ADR420
ADR420
ADR420
R4A
98
3,000
98
3,000
1,000
Temperature
Range
°C
40 to +125
40 to +125
40 to +125
40 to +125
40 to +125
ADR421AR
2.50
ADR421AR-Reel7 2.50
ADR421BR
2.50
ADR421BR-Reel7 2.50
ADR421ARM-Reel7 2.50
3
3
1
1
3
0.12 10
0.12 10
0.04 3
0.04 3
0.12 10
SOIC
SOIC
SOIC
SOIC
Mini_SOIC
SO-8
SO-8
SO-8
SO-8
RM-8
ADR421
ADR421
ADR421
ADR421
R5A
98
3,000
98
3,000
1,000
40 to +125
40 to +125
40 to +125
40 to +125
40 to +125
ADR423AR
3.00
ADR423AR-Reel7 3.00
ADR423BR
3.00
ADR423BR-Reel7 3.00
ADR423ARM-Reel7 3.00
4 0.13 10
4 0.13 10
1.5 0.04 3
1.5 0.04 3
4 0.13 10
SOIC
SOIC
SOIC
SOIC
Mini_SOIC
SO-8
SO-8
SO-8
SO-8
RM-8
ADR423
ADR423
ADR423
ADR423
98
3,000
98
3,000
1,000
40 to +125
40 to +125
40 to +125
40 to +125
40 to +125
ADR425AR
5.00
ADR425AR-Reel7 5.00
ADR425BR
5.00
ADR425BR-Reel7 5.00
ADR425ARM-Reel7 5.00
6
6
2
2
6
0.12 10
0.12 10
0.04 3
0.04 3
0.12 10
SOIC
SOIC
SOIC
SOIC
Mini_SOIC
SO-8
SO-8
SO-8
SO-8
RM-8
ADR425
ADR425
ADR425
ADR425
R7A
98
3,000
98
3,000
1,000
40 to +125
40 to +125
40 to +125
40 to +125
40 to +125
CAUTION
ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily
accumulate on the human body and test equipment and can discharge without detection. Although
the AD42x features proprietary ESD protection circuitry, permanent damage may occur on devices
subjected to high-energy electrostatic discharges. Therefore, proper ESD precautions are
recommended to avoid performance degradation or loss of functionality.
–4–
WARNING!
ESD SENSITIVE DEVICE
REV. B

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ADR420 전자부품, 판매, 대치품
0.55
0.50
0.45 +125؇C
0.40
+25؇C
0.35
40؇C
0.30
0.25
4
6 8 10 12 14 15
INPUT VOLTAGE V
TPC 7. ADR423 Supply Current vs. Input Voltage
0.55
0.50
+125؇C
0.45
0.40
+25؇C
0.35
40؇C
0.30
0.25
6
8 10 12
INPUT VOLTAGE V
14 15
TPC 8. ADR425 Supply Current vs. Input Voltage
70
IL = 0mA TO 5mA
60
50 VIN = 4.5V
40
30 VIN = 6V
20
10
0
40 10
20 50 80
TEMPERATURE ؇C
110 125
TPC 9. ADR420 Load Regulation vs. Temperature
ADR420/ADR421/ADR423/ADR425
70
IL = 0mA TO 5mA
60
50
VIN = 5V
40
30
VIN = 6.5V
20
10
0
40 10
20 50 80
TEMPERATURE ؇C
110 125
TPC 10. ADR421 Load Regulation vs. Temperature
70
IL = 0mA TO 10mA
60
50
VIN = 7V
40
VIN = 15V
30
20
10
0
40 10
20
40
80
TEMPERATURE ؇C
110 125
TPC 11. ADR423 Load Regulation vs. Temperature
35
VIN = 15V
IL = 0mA TO 10mA
30
25
20
15
10
5
0
40 10
20
40
80
TEMPERATURE ؇C
110 125
TPC 12. ADR425 Load Regulation vs. Temperature
REV. B
–7–

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Ultraprecision Low Noise/ 2.048 V/2.500 V/ 3.00 V/5.00 V XFET Voltage References

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