參數(shù)資料
型號： AD7376ARU100
廠商： ANALOG DEVICES INC
元件分類： 數(shù)字電位計
英文描述： +-15 V Operation Digital Potentiometer
中文描述： 100K DIGITAL POTENTIOMETER, 3-WIRE SERIAL CONTROL INTERFACE, 128 POSITIONS, PDSO14
封裝： TSSOP-14
文件頁數(shù)： 5/12頁
文件大?。?/td> 335K
代理商： AD7376ARU100
AD7376
–5–
REV. 0
CODE – Decimal
I
0.25
–0.25
0
16
128
32
48
64
80
96
112
0.20
0.05
0
–0.10
–0.20
0.15
0.10
–0.05
–0.15
T
A
= –55
8
C
T
A
= +25
8
C
V
DD
= +15V
V
SS
= –15V
V
A
= +2.5V
V
B
= 0V
R
AB
= 50k
V
T
A
= +85
8
C
Figure 11. Potentiometer Divider
Nonlinearity Error vs. Code
FREQUENCY – Hz
G
1k
–18
–24
–36
–48
–6
–12
–30
–42
A
W
OP275
B
V
SS
= = 50mVrms
V
AMPL
100k
V
DD
= +15V
CODE = 7F
H
CODE = 40
H
CODE = 20
H
CODE = 10
H
CODE = 08
H
CODE = 04
H
CODE = 02
H
CODE = 01
H
CODE = 00
H
0
10k
1M
R
AB
= 10k
V
Figure 14. 10 k
Gain vs. Frequency
vs. Code
FREQUENCY – Hz
G
1k
10k
1M
100k
0
–54
–6
–12
–18
–24
–30
–36
–42
–48
B
A
OP275
01
H
02
H
04
H
08
H
10
H
20
H
CODE = 40
H
CODE = 7F
H
128kHz
AMP = 50mV
V
DD
= +15V
V
SS
= –15V
R
L
= 1M
V
R
AB
= 50k
V
Figure 17. 50 k
Gain vs. Frequency
vs. Code
CODE – Decimal
D
0.25
–0.25
0
16
128
32
48
64
80
96
112
0.20
0.05
0
–0.10
–0.20
0.15
0.10
–0.05
–0.15
V
DD
= +15V
V
SS
= –15V
V
A
= +2.5V
V
B
= 0V
R
AB
= 50k
V
Figure 12. Potentiometer Divider
Differential Nonlinearity Error
vs. Code
FREQUENCY – Hz
G
100
–18
–24
–36
–48
–6
–12
–30
–42
A
B
W
OP275
V
SS
= +15V
V
AMPL
R
AB
= 1M
V
V
DD
CODE = 7F
H
CODE = 40
H
CODE = 20
H
CODE = 10
H
CODE = 08
H
CODE = 04
H
CODE = 02
H
CODE = 01
H
0
1k
10k
100k
R
AB
= 1M
V
Figure 15. 1 M
Gain vs. Frequency
vs. Code
0
5
12
0
2708
m
s
A2
1.6 V
DLY
5V
5V
H
O
2
m
s
B
Lw
V
DD
= +15V
V
SS
= –15V
2
m
S/DIV
CODE = 3F
H
V
A
= 12V
V
= 0V
f = 1 MHz
Figure 18. Large Signal Settling Time
CODE – Decimal
R
8
C
40
–10
0
16
128
32
48
64
80
96
112
35
20
15
5
–5
30
25
10
0
V
DD
= +15V
V
SS
= –15V
R
AB
= 50k
V
Figure 13.
R
WB
/
T Rheostat Mode
Tempco
2598
m
s
50m
H
O
5
m
s
B
Lw
V
DD
= +15V
V
SS
= —15V
5
m
S/DIV
CODE = 3F
H
40
H
3F
H
V
A
= 2.5V
V
B
= 0V
f = 100 kHz
Figure 16. Midscale Transition Glitch
FREQUENCY – Hz
10
1.0
100
1k
10k
200k
0.001
0.010
0.0005
0.1
V
DD
= +15V
V
SS
= –15V
V
=
6
10V p–p
CODE = 40
H
R
AB
= 50k
V
T
NON-INVERTING
MODE TEST
CKT FIG 35
NON-INVERTING
MODE TEST
CKT FIG 36
Figure 19. Total Harmonic Distortion
Plus Noise vs. Frequency
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