ADR421BR Analog Devices Inc, ADR421BR Datasheet - Page 14

• Manufacturer Part Number: ADR421BR
• Description: IC REF PREC LONOISE 2.50V 8-SOIC
• Manufacturer: Analog Devices Inc
• Series: XFET®r

Specifications of ADR421BR

• 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: ±0.04%
• Temperature Coefficient: 3ppm/°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)
• Peak Reflow Compatible (260 C): No
• Output Voltage: 5V
• Current Rating: 10mA
• Output Voltage Max: 2.048V
• Leaded Process Compatible: No
• Voltage Regulator Type: Switching
• Current - Cathode: -
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

ADR420/ADR421/ADR423/ADR425
C
R
C
C
NO INPUT CAP
C
NO INPUT CAP
BYPASS
L
L
L
L
V
V
= 500Ω
= 0
= 0.01µF
= 0.01µF
OUT
IN
Figure 35. ADR421 Turn-On/Turn-Off Response
= 0.1µF
Figure 33. ADR421 Turn-Off Response
Figure 34. ADR421 Turn-On Response
V
V
V
V
OUT
OUT
IN
IN
TIME (100µs/DIV)
TIME (4µs/DIV)
TIME (4µs/DIV)
5V/DIV
2V/DIV
2V/DIV
2V/DIV
2V/DIV
2V/DIV
Rev. H | Page 14 of 24
–100
–10
–20
–30
–40
–50
–60
–70
–80
–90
50
45
40
35
30
25
20
15
10
5
0
0
10
10
Figure 36. Output Impedance vs. Frequency
Figure 37. Ripple Rejection vs. Frequency
100
100
FREQUENCY (Hz)
FREQUENCY (Hz)
1k
1k
10k
ADR421
10k
ADR423
100k
ADR425
ADR420
100k
1M