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AD5204BCPZ10-REEL7 Datasheet(PDF) 16 Page - Analog Devices

No. de Pieza. AD5204BCPZ10-REEL7
Descripción  4-/6-Channel Digital Potentiometers
Descarga  20 Pages
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Fabricante  AD [Analog Devices]
Página de inicio  http://www.analog.com
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AD5204BCPZ10-REEL7 Datasheet(HTML) 16 Page - Analog Devices

 
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AD5204/AD5206
Rev. C | Page 16 of 20
TEST CIRCUITS
340k
VSS
LOGIC
Figure 25. ESD Protection of Digital Pins
A, B, W
VSS
Figure 26. ESD Protection of Resistor Terminals
V+
DUT
VMS
A
B
W
V+ = VDD
1LSB = V+/256
Figure 27. Potentiometer Divider Nonlinearity Error Test Circuit (INL, DNL)
DUT
VMS
A
B
W
NO CONNECT
IW
Figure 28. Resistor Position Nonlinearity Error
(Rheostat Operation; R-INL, R-DNL)
V+
A
B
W
DUT
IMS
VMS
IW = 1V/RNOMINAL
IW
VW
V+
VDD
RW =
WHERE VW1 = VMS WHEN IW = 0
AND VW2 = VMS WHEN IW = 1/R
VW2 – [VW1 + IW(RAWII RBW)]
Figure 29. Wiper Resistance Test Circuit
V+
A
B
W
~
VA
VMS
VDD
V+ = VDD ± 10%
PSRR (dB) = 20 log
∆VMS
∆VDD
PSS (%/%) =
∆VMS%
∆VDD%
(
)
Figure 30. Power Supply Sensitivity Test Circuit (PSS, PSRR)
A
VIN
OFFSET BIAS
OP279
5V
VOUT
DUT
W
OFFSET
GND
B
Figure 31. Inverting Programmable Gain Test Circuit
A
VIN
OFFSET BIAS
OP279
5V
VOUT
DUT
W
OFFSET
GND
B
Figure 32. Noninverting Programmable Gain Test Circuit
B
A
VIN
2.5V
+15V
VOUT
DUT
W
–15V
OFFSET
GND
OP42
Figure 33. Gain vs. Frequency Test Circuit
DUT
ISW
B
W
VSS TO VDD
RSW =
0.1V
ISW
CODE = 0x00
0.1V
+
Figure 34. Incremental On-Resistance Test Circuit


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