ADR421AR-REEL7 Analog Devices Inc, ADR421AR-REEL7 Datasheet - Page 14
![IC VREF PREC 2.5V 10MA 8-SOIC](/photos/5/66/56684/505-8-soic_sml.jpg)
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
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