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ADR433ARMZ-REEL7 Datasheet(PDF) 1 Page - Analog Devices

No. de pieza ADR433ARMZ-REEL7
Descripción Electrónicos  Ultralow Noise XFET Voltage References with Current Sink and Source Capability
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ADR433ARMZ-REEL7 Datasheet(HTML) 1 Page - Analog Devices

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Ultralow Noise XFET Voltage References
with Current Sink and Source Capability
ADR430/ADR431/ADR433/ADR434/ADR435/ADR439
Rev. J
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringements of patents or other
rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.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
©2003–2011 Analog Devices, Inc. All rights reserved.
FEATURES
Low noise (0.1 Hz to 10.0 Hz): 3.5 μV p-p @ 2.5 V output
No external capacitor required
Low temperature coefficient
A Grade: 10 ppm/°C maximum
B Grade: 3 ppm/°C maximum
Load regulation: 15 ppm/mA
Line regulation: 20 ppm/V
Wide operating range
ADR430: 4.1 V to 18 V
ADR431: 4.5 V to 18 V
ADR433: 5.0 V to 18 V
ADR434: 6.1 V to 18 V
ADR435: 7.0 V to 18 V
ADR439: 6.5 V to 18 V
High output source and sink current: +30 mA and −20 mA
Wide temperature range: −40°C to +125°C
APPLICATIONS
Precision data acquisition systems
High resolution data converters
Medical instruments
Industrial process control systems
Optical control circuits
Precision instruments
PIN CONFIGURATIONS
NOTES
1. NIC = NO INTERNAL CONNECTION
2. TP = TEST PIN (DO NOT CONNECT)
ADR43x
TOP VIEW
(Not to Scale)
TP 1
VIN 2
NIC 3
GND 4
TP
COMP
VOUT
TRIM
8
7
6
5
Figure 1. 8-Lead MSOP (RM-8)
NOTES
1. NIC = NO INTERNAL CONNECTION
2. TP = TEST PIN (DO NOT CONNECT)
ADR43x
TOP VIEW
(Not to Scale)
TP 1
VIN 2
NIC 3
GND 4
TP
COMP
VOUT
TRIM
8
7
6
5
Figure 2. 8-Lead SOIC_N (R-8)
GENERAL DESCRIPTION
The ADR43x series is a family of XFET® voltage references
featuring low noise, high accuracy, and low temperature drift
performance. Using Analog Devices, Inc., patented temperature
drift curvature correction and XFET (eXtra implanted junction
FET) technology, voltage change vs. temperature nonlinearity in
the ADR43x is minimized.
The XFET references operate at lower current (800 μA) and
lower supply voltage headroom (2 V) than buried Zener
references. Buried Zener references require more than 5 V
headroom for operation. The ADR43x XFET references are
the only low noise solutions for 5 V systems.
The ADR43x family has the capability to source up to 30 mA of
output current and sink up to 20 mA. It also comes with a trim
terminal to adjust the output voltage over a 0.5% range without
compromising performance.
The ADR43x is available in 8-lead MSOP and 8-lead narrow
SOIC packages. All versions are specified over the extended
industrial temperature range of −40°C to +125°C.
Table 1. Selection Guide
Model
Output
Voltage (V)
Accuracy (mV)
Temperature
Coefficient
(ppm/°C)
ADR430A
2.048
±3
10
ADR430B
2.048
±1
3
ADR431A
2.500
±3
10
ADR431B
2.500
±1
3
ADR433A
3.000
±4
10
ADR433B
3.000
±1.5
3
ADR434A
4.096
±5
10
ADR434B
4.096
±1.5
3
ADR435A
5.000
±6
10
ADR435B
5.000
±2
3
ADR439A
4.500
±5.5
10
ADR439B
4.500
±2
3


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