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: 7/32页
文件大小: 603K
代理商: AD8402ARU100-REEL
AD8400/AD8402/AD8403
Rev. E | Page 15 of 32
WIPER RESISTANCE (
Ω)
FR
E
Q
U
E
N
C
Y
60
48
0
40.0 42.5
65.0
45.0 47.5 50.0 52.5 55.0 57.5 60.0 62.5
36
24
12
SS = 184 UNITS
VDD =4.5V
TA =25°C
01
09
2-
01
5
Figure 15. 100 kΩ Wiper-Contact-Resistance Histogram
TEMPERATURE (
°C)
NO
M
IN
A
L
RE
S
IST
A
NCE
(
k
Ω
)
10
8
0
–75
–50
125
–25
0
25
50
75
100
6
4
2
RAB (END-TO-END)
RWB (WIPER-TO-END)
CODE = 80H
RAB =10kΩ
0
10
92
-016
Figure 16. Nominal Resistance vs. Temperature
CODE (Decimal)
P
O
TE
N
T
IO
M
E
TE
R
M
O
D
E
TE
M
P
C
O
(p
pm
/°
C)
70
60
–10
0
32
160
64
96
128
30
20
10
0
50
40
192
224
256
VDD =5V
TA =–40°C/+85°C
VA =2V
VB =0V
01
09
2-
0
17
Figure 17. ΔVWB/ΔT Potentiometer Mode Tempco
CODE (Decimal)
RHE
O
S
T
AT
M
O
D
E
T
E
M
P
CO
(
p
m
/°
C)
700
600
–100
0
32
160
64
96
128
300
200
100
0
500
400
192
224
256
VDD =5V
TA = –40°C/+85°C
VA = NO CONNECT
RWB MEASURED
01
09
2-
0
18
Figure 18. ΔRWB/ΔT Rheostat Mode Tempco
500ns
5V
20mV
RW
(20mV/DIV)
CS
(5V/DIV)
TIME 500ns/DIV
010
92
-01
9
Figure 19. One Position Step Change at Half-Scale (Code 7FH to 80H)
FREQUENCY (Hz)
G
A
IN
(
d
B
)
6
0
–54
10
1M
100
1k
10k
100k
–6
–12
–48
–18
–24
–30
–36
–42
CODE = FF
80
40
20
10
08
04
02
01
TA =25°C
01
09
2-
0
20
Figure 20. 10 kΩ Gain vs. Frequency vs. Code
(See Figure 43)
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