ADR421AR-REEL7 Analog Devices Inc, ADR421AR-REEL7 Datasheet - Page 12
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ADR421AR-REEL7
Manufacturer Part Number
ADR421AR-REEL7
Description
IC VREF PREC 2.5V 10MA 8-SOIC
Manufacturer
Analog Devices Inc
Series
XFET®r
Datasheet
1.ADR425ARZ.pdf
(24 pages)
Specifications of ADR421AR-REEL7
Rohs Status
RoHS non-compliant
Design Resources
40 Channels of Programmable Voltage with Excellent Temperature Drift Performance Using AD5380 (CN0007) 40 Channels of Programmable Voltage with Excellent Temperature Drift Performance Using AD5381 (CN0010) 32 Channels of Programmable Voltage with Excellent Temperature Drift Performance Using AD5382 (CN0011) 32 Channels of Programmable Voltage with Excellent Temperature Drift Performance Using AD5383 (CN0014) 8 to 16 Channels of Programmable Voltage with Excellent Temperature Drift Performance Using AD5390/1/2 (CN0029) High Precision Digital-to-Analog Conversion Using the 16-Bit AD5542/1, ADR421, and AD8628 (CN0079) 16 Channels of Programmable Output Span Using AD5360 (CN0131) Layout Considerations for an Expandable Multichannel Simultaneous Sampling Data Acquisition System Based on AD7606 (CN0148) 40 Channels of Programmable Output Span Using AD5371 (CN0149) Software Calibrated, 1 MHz to 8 GHz, 70 dB RF Power Measurement System Using AD8318 (CN0150) How to Achieve High Precision Voltage Level Setting Using AD5541A/42A (CN0169)
Reference Type
Series
Voltage - Output
2.5V
Tolerance
±0.12%
Temperature Coefficient
10ppm/°C
Voltage - Input
4.5 ~ 18 V
Number Of Channels
1
Current - Quiescent
500µA
Current - Output
10mA
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
8-SOIC (3.9mm Width)
Current - Cathode
-
ADR420/ADR421/ADR423/ADR425
2.5
2.0
1.5
1.0
0.5
2.5
2.0
1.5
1.0
0.5
30
25
20
15
10
0
0
5
0
0
0
Figure 21. ADR423 Minimum Input/Output Voltage
Figure 22. ADR425 Minimum Input/Output Voltage
TEMPERATURE
+25°C
+125°C
Figure 23. ADR421 Typical Hysteresis
–40°C
1
1
+25°C
Differential vs. Load Current
Differential vs. Load Current
LOAD CURRENT (mA)
LOAD CURRENT (mA)
DEVIATION (ppm)
2
2
+125°C
+125°C
–40°C
+25°C
–40°C
+25°C
3
3
SAMPLE SIZE – 160
4
4
5
5
Rev. H | Page 12 of 24
100
1k
10
Figure 24. ADR421 Typical Noise Voltage 0.1 Hz to 10 Hz
10
Figure 25. Typical Noise Voltage 10 Hz to 10 kHz
Figure 26. Voltage Noise Density vs. Frequency
100
FREQUENCY (Hz)
TIME (1s/DIV)
TIME (1s/DIV)
1k
ADR420
ADR425
ADR421
ADR423
10k