参数资料
型号: AD8402ARU100-REEL
厂商: ANALOG DEVICES INC
元件分类: 数字电位计
英文描述: DUAL 100K DIGITAL POTENTIOMETER, 3-WIRE SERIAL CONTROL INTERFACE, 256 POSITIONS, PDSO14
封装: 1.10 MM, MO-153AB-1, TSSOP-14
文件页数: 11/32页
文件大小: 603K
代理商: AD8402ARU100-REEL
AD8400/AD8402/AD8403
Rev. E | Page 19 of 32
TEST CIRCUITS
V+
DUT
VMS
A
B
W
V+ = VDD
1LSB = V+/256
01
09
2-
0
36
Figure 37. Potentiometer Divider Nonlinearity Error (INL, DNL)
DUT
VMS
A
B
W
NO CONNECT
IW
010
92
-03
7
Figure 38. Resistor Position Nonlinearity Error
(Rheostat Operations; R-INL, R-DNL)
A
W
B
DUT
VMS1
VW
IW =VDD/RNOMINAL
VMS2
RW =[VMS1 –VMS2]/IW
01
09
2-
0
38
Figure 39. Wiper Resistance
V+
A
B
W
~
VA
VMS
VDD
V+ = VDD ± 10%
PSRR (dB) = 20LOG
ΔV
MS
ΔV
DD
PSS (%/%) =
ΔV
MS%
ΔV
DD%
()
01
09
2-
03
9
Figure 40. Power Supply Sensitivity (PSS, PSRR)
A
VIN
2.5V DC
OP279
5V
VOUT
~
DUT
W
OFFSET
GND
B
01
09
2-
0
40
Figure 41. Inverting Programmable Gain
~
A
VIN
2.5V
OP279
5V
VOUT
DUT
W
OFFSET
GND
B
01
09
2-
0
41
Figure 42. Noninverting Programmable Gain
~
B
A
VIN
2.5V
+15V
VOUT
DUT
W
–15V
OFFSET
GND
OP42
01
09
2-
0
42
Figure 43. Gain vs. Frequency
DUT
ISW
B
W
VBIAS
RSW =
0.1V
ISW
CODE =
0.1V
A= NC
+
01
09
2
-04
3
H
Figure 44. Incremental On Resistance
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