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ADR435AR View Datasheet(PDF) - Analog Devices

Part NameADR435AR ADI
Analog Devices ADI
DescriptionUltralow Noise XFET® Voltage References with Current Sink and Source Capability
ADR435AR Datasheet PDF : 24 Pages
First Prev 11 12 13 14 15 16 17 18 19 20 Next Last
ADR430/ADR431/ADR433/ADR434/ADR435/ADR439
TYPICAL PERFORMANCE CHARACTERISTICS
Default conditions: ±5 V, CL = 5 pF, G = 2, RG = RF = 1 kΩ, RL = 2 kΩ, VO = 2 V p-p, f = 1 MHz, TA = 25°C, unless otherwise noted.
0.8
2.5009
2.5007
0.7
+125°C
2.5005
2.5003
2.5001
0.6
+25°C
–40°C
0.5
2.4999
0.4
2.4997
2.4995
–40 –25 –10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
Figure 3. ADR431 Output Voltage vs. Temperature
0.3
4
6
8
10
12
14
16
INPUT VOLTAGE (V)
Figure 6. ADR435 Supply Current vs. Input Voltage
4.0980
4.0975
4.0970
4.0965
4.0960
4.0955
4.0950
–40 –25 –10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
Figure 4. ADR434 Output Voltage vs. Temperature
700
650
600
550
500
450
400
–40 –25 –10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
Figure 7. ADR435 Supply Current vs. Temperature
5.0025
5.0020
5.0015
5.0010
5.0005
5.0000
4.9995
4.9990
–40 –25 –10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
Figure 5. ADR435 Output Voltage vs. Temperature
0.60
+125°C
0.58
0.56
0.54
0.52
+25°C
0.50
0.48
0.46
–40°C
0.44
0.42
0.40
6
8
10
12
14
16
18
INPUT VOLTAGE (V)
Figure 8. ADR431 Supply Current vs. Input Voltage
Rev. J | Page 11 of 24
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GENERAL DESCRIPTION
The ADR43x series is a family of XFET voltage references featuring low noise, high accuracy, and low temperature drift performance. Using ADI’s patented temperature drift curvature correction and XFET (eXtra implanted junction FET) technology, the ADR43x’s voltage change versus temperature nonlinearity is minimized.

FEATURES
Low noise (0.1 Hz to 10 Hz): 3.5 µV p-p @ 2.5 V output
No external capacitor required
Low temperature coefficient
   A Grade: 10 ppm/°C max
   B Grade: 3 ppm/°C max
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 current: +30 mA/−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

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