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ADN2850BCPZ25 Datasheet(PDF) 12 Page - Analog Devices

Part No. ADN2850BCPZ25
Description  Nonvolatile Memory, Dual 1024-Position Digital Resistor
Download  28 Pages
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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ADN2850BCPZ25 Datasheet(HTML) 12 Page - Analog Devices

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ADN2850
Data Sheet
Rev. E | Page 12 of 28
CS (5V/DIV)
CLK (5V/DIV)
SDI (5V/DIV)
IDD (2mA/DIV)
VDD = 5V
TA = 25°C
Figure 18. IDD vs. Time when Storing Data to EEMEM
CODE (Decimal)
100
1
0.01
1023
0.1
10
896
768
640
512
384
128
256
0
TA = 25°C
RWB= 25kΩ
RWB= 250kΩ
Figure 19. IWB_MAX vs. Code
TEST CIRCUITS
Figure 20 to Figure 24 define the test conditions used in the Specifications section.
W
B
IW
DUT
VMS
Figure 20. Resistor Position Nonlinearity Error (Rheostat Operation; R-INL, R-DNL)
W
B
IW = VDD/RNOMINAL
VMS1
VW
RW = VMS1/IW
Figure 21. Wiper Resistance
W
B
VMS
V+ = VDD ±10%
PSRR (dB) = 20 LOG
ΔVDD
(
)
~
VDD
PSS (%/%) =
V+
ΔVMS
ΔVDD%
ΔVMS%
IW = VDD/(RNOMINAL / 2)
CODE = Mid Scale
Figure 22. Power Supply Sensitivity (PSS, PSRR)
+
DUT
0.1V
VSS TO VDD
RSW =
0.1V
ISW
ISW
W
B
Figure 23. Incremental On Resistance
DUT
VSS
ICM
W
B
VDD
NC
VCM
GND
NC = NO CONNECT
Figure 24. Common-Mode Leakage Current


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