LS7184 View Datasheet(PDF) - LSI Computer Systems
Part Name
Description
MFG CO.
'LS7184' PDF : 4 Pages View PDF
10000
RBIAS vs Tow
9000
8000
7000
6000
5000
4000
3000
2000
1000
0
5
10
20
51
100
220
430
750
R, kOhm
Figure 4. Bias resistance vs pulse width. R in k .
RBIAS vs Tow
160
140
120
100
80
60
40
20
0
1
2
3
5.1
6.8
8.2
10
R, MOhm
Figure 5. Bias resistance vs pulse width. R in M .
SPDT (On - Off - On)
+V
6
2
d MODE
V DD
e A CLOCK
u ENCODER B CLOCK
4
A
5
B
8
UPCK
LS7183
7
DNCK
1
tin RBIAS
RB
Vss
3
+V
16
V DD
5
CK-UP
40193
4
CK-DN
Vss
8
+V
ENCODER
6
2
MODE
V DD
A CLOCK
4
A
8
CLK
B CLOCK 5 B
LS7184
7
UP/DN
1
RB
RBIAS
Vss
3
+V
16
V DD
15
CK
4516
10
UP/DN
Vss
8
n FIGURE 6A. TYPICAL APPLICATION FOR LS7183 IN x4 MODE
co +5V
FIGURE 6B*. TYPICAL APPLICATION FOR LS7184N WITH MODE SELECTION
*See NOTE at bottom right of Page 1.
is 100k
A1
DIGITAL
POTENTIOMETER
D 10k
10k
1 RBIAS
8
CLK
1 CLK
V DD 8
B
2 VDD
7
U/D
2
U/D
CS 7
A
GND
3
6
V SS MODE
10k
4A
B5
10k
LS7184
3 A1
B1 6
B1
4 GND
W1 5
W1
AD5220
0.01uF 0.01uF
Part Number:
RE11CT-V1Y12-EF2CS
FIGURE 7. Rotary Encoder Control of Digital Potentiometer
7183/84-011309-4
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