ADR421AR Analog Devices Inc, ADR421AR Datasheet - Page 11

• Manufacturer Part Number: ADR421AR
• Description: IC REF PREC LONOISE 2.50V 8-SOIC
• Manufacturer: Analog Devices Inc
• Series: XFET®r

Specifications of ADR421AR

• Mounting Type: Surface Mount
• 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
• Package / Case: 8-SOIC (3.9mm Width)
• Reference Volt Tolerance ±%: 0.12%
• Voltage Regulator Type: Switching
• Operating Temperature Max: 125°C
• Peak Reflow Compatible (260 C): No
• Output Voltage: 2.5V
• Current Rating: 500µA
• Fixed / Adjust / Prog: Precision
• Output Voltage (max): 2.5V
• Reference Voltage Accuracy (max): 0.13
• Line Regulation: 35ppm/V
• Load Regulation: 70ppm/mA
• Input Voltage (max): 18V
• Operating Temp Range: -40C to 125C
• Operating Temperature Classification: Automotive
• Mounting: Surface Mount
• Pin Count: 8
• Package Type: SOIC N
• Current - Cathode: -
• Lead Free Status / Rohs Status: Not Compliant

6
5
4
3
2
1
0
6
5
4
3
2
1
0
9
8
7
6
5
4
3
2
1
0
–40
–40
–40
Figure 15. ADR420 Line Regulation vs. Temperature
Figure 16. ADR421 Line Regulation vs. Temperature
Figure 17. ADR423 Line Regulation vs. Temperature
V
V
V
IN
IN
IN
= 4.5V TO 15V
= 5V TO 15V
= 5V TO 15V
–10
–10
–10
TEMPERATURE (°C)
TEMPERATURE (°C)
TEMPERATURE (°C)
20
20
20
50
50
50
80
80
80
110
110
110 125
125
Rev. H | Page 11 of 24
2.5
2.0
1.5
1.0
0.5
2.5
2.0
1.5
1.0
0.5
14
12
10
8
6
4
2
0
0
0
–40
0
0
ADR420/ADR421/ADR423/ADR425
Figure 18. ADR425 Line Regulation vs. Temperature
Figure 19. ADR420 Minimum Input/Output Voltage
Figure 20. ADR421 Minimum Input/Output Voltage
+125°C
–40°C
+25°C
+85°C
–40°C
+25°C
V
IN
= 7.5V TO 15V
–10
1
1
Differential vs. Load Current
Differential vs. Load Current
LOAD CURRENT (mA)
LOAD CURRENT (mA)
TEMPERATURE (°C)
20
2
2
50
3
3
80
4
4
110
125
5
5