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Analog Devices - (ADR4520 - ADR4550) High Accuracy Voltage References

Numéro de référence ADR4533
Description (ADR4520 - ADR4550) High Accuracy Voltage References
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ADR4533 fiche technique
Data Sheet
Ultralow Noise, High Accuracy
Voltage References
ADR4520/ADR4525/ADR4530/ADR4533/ADR4540/ADR4550
FEATURES
Maximum temperature coefficient (TCVOUT): 2 ppm/°C
Output noise (0.1 Hz to 10 Hz)
Less than 1 μV p-p at VOUT of 2.048 V typical
Initial output voltage error: ±0.02% (maximum)
Input voltage range: 3 V to 15 V
Operating temperature: −40°C to +125°C
Output current: +10 mA source/−10 mA sink
Low quiescent current: 950 μA (maximum)
Low dropout voltage: 300 mV at 2 mA (VOUT ≥ 3 V)
8-lead SOIC package
APPLICATIONS
Precision data acquisition systems
High resolution data converters
High precision measurement devices
Industrial instrumentation
Medical devices
Automotive battery monitoring
GENERAL DESCRIPTION
The ADR4520/ADR4525/ADR4530/ADR4533/ADR4540/
ADR4550 devices are high precision, low power, low noise
voltage references featuring ±0.02% maximum initial error,
excellent temperature stability, and low output noise.
This family of voltage references uses an innovative core
topology to achieve high accuracy while offering industry-leading
temperature stability and noise performance. The low, thermally
induced output voltage hysteresis and low long-term output
voltage drift of the devices also improve system accuracy over
time and temperature variations.
A maximum operating current of 950 μA and a maximum low
dropout voltage of 300 mV allow the devices to function very
well in portable equipment.
The ADR4520/ADR4525/ADR4530/ADR4533/ADR4540/
ADR4550 series of references is provided in an 8-lead SOIC
package and is available in a wide range of output voltages, all of
which are specified over the extended industrial temperature
range of −40°C to +125°C.
PIN CONFIGURATION
ADR4520/ADR4525/
ADR4530/ADR4533/
ADR4540/ADR4550
NC 1
8 TP
VIN 2
7 NC
NC 3 TOP VIEW 6 VOUT
GND 4 (Not to Scale) 5 NC
NOTES
1. NC = NO CONNECT.
2. TP = TEST PIN. DO NOT CONNECT.
Figure 1. 8-Lead SOIC
Table 1. Selection Guide
www.DataSheet.co.kr
Model
ADR4520
ADR4525
ADR4530
ADR4533
ADR4540
ADR4550
Output Voltage (V)
2.048
2.5
3.0
3.3
4.096
5.0
Table 2. Voltage Reference Choices from Analog Devices
Low Cost/
Ultralow High Voltage,
VOUT (V) Low Power Micropower Noise
High Performance
2.048 ADR360
REF191
ADR430
ADR3420
ADR440
2.5 ADR3425 ADR291 ADR431 ADR03
AD1582
REF192
ADR441 AD780
ADR361
5.0 ADR3450 ADR293 ADR435 ADR02
AD1585
REF195
ADR445 AD586
ADR365
Rev. 0
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityisassumedbyAnalogDevices for itsuse,nor foranyinfringementsofpatentsor 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.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.461.3113
©2012 Analog Devices, Inc. All rights reserved.
Datasheet pdf - http://www.DataSheet4U.net/

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