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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
610
580
550
520
490
460
430
400
–40 –25 –10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
Figure 9. ADR431 Supply Current vs. Temperature
15
IL = 0mA to 10mA
12
9
6
3
0
–40 –25 –10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
Figure 10. ADR431 Load Regulation vs. Temperature
15
IL = 0mA to 10mA
12
9
6
3
0
–40 –25 –10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
Figure 11. ADR435 Load Regulation vs. Temperature
2.5
2.0
–40°C
1.5
+25°C
1.0
+125°C
0.5
0
–10
–5
0
5
10
LOAD CURRENT (mA)
Figure 12. ADR431 Minimum Input/Output
Differential Voltage vs. Load Current
1.9
NO LOAD
1.8
1.7
1.6
1.5
1.4
1.3
1.2
1.1
1.0
–40 –25 –10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
Figure 13. ADR431 Minimum Headroom vs. Temperature
2.5
2.0
–40°C
1.5
+25°C
1.0
+125°C
0.5
0
–10
–5
0
5
10
LOAD CURRENT (mA)
Figure 14. ADR435 Minimum Input/Output
Differential Voltage vs. Load Current
Rev. J | Page 12 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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