ADR421AR-REEL7 Analog Devices Inc, ADR421AR-REEL7 Datasheet - Page 13
![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
-
Figure 28. ADR421 Line Transient Response, C
C
V
V
C
V
V
C
V
LOAD ON
IN
OUT
IN
OUT
OUT
BYPASS
BYPASS
L
Figure 27. ADR421 Line Transient Response, no C
= 0µF
Figure 29. ADR421 Load Transient Response, no C
= 0µF
= 0.1µF
TIME (100µs/DIV)
TIME (100µs/DIV)
TIME (100µs/DIV)
LOAD OFF
LINE INTERRUPTION
LINE INTERRUPTION
1mA LOAD
500mV/DIV
500mV/DIV
500mV/DIV
500mV/DIV
BYPASS
1V/DIV
2V/DIV
= 0.1 μF
BYPASS
L
Rev. H | Page 13 of 24
C
V
LOAD ON
Figure 30. ADR421 Load Transient Response, C
C
NO LOAD
C
NO LOAD
L
OUT
IN
IN
ADR420/ADR421/ADR423/ADR425
= 100nF
= 0.01µF
= 0.01µF
Figure 31. ADR421 Turn-Off Response
Figure 32. ADR421 Turn-On Response
V
V
OUT
IN
V
V
OUT
IN
TIME (100µs/DIV)
TIME (4µs/DIV)
TIME (4µs/DIV)
LOAD OFF
1mA LOAD
1V/DIV
2V/DIV
L
= 100 nF
2V/DIV
2V/DIV
2V/DIV
2V/DIV