ADR421BRZ Analog Devices Inc, ADR421BRZ Datasheet - Page 13

IC REF PREC LONOISE 2.50V 8-SOIC

ADR421BRZ

Manufacturer Part Number
ADR421BRZ
Description
IC REF PREC LONOISE 2.50V 8-SOIC
Manufacturer
Analog Devices Inc
Series
XFET®r
Datasheet

Specifications of ADR421BRZ

Temperature Coefficient
3ppm/°C
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%
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)
Topology
Series
Input Voltage
4.5V To 18V
Reference Voltage
2.5V
Reference Voltage Tolerance
1mV
Voltage Reference Case Style
SOIC
No. Of Pins
8
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Current - Cathode
-
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant

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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

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