LS7184N View Datasheet(PDF) - LSI Corporation

Part Name

Description

Manufacturer

LS7184N

QUADRATURE CLOCK CONVERTER

LSI Corporation  

25

20

15

10

5

0

0

V DD = 3V

V DD = 5V

V DD = 9V

V DD = 12V

200

400

600

800

Figure 4. TOW vs RBIAS (R in k )

+V

6

2

MODE

V DD

A CLOCK 4 A

ENCODER B CLOCK 5

B

8

UPCK

LS7183N

7

DNCK

1

RB

RBIAS

Vss

3

+V

16

V DD

5

CK-UP

40193

4

CK-DN

Vss

8

300

V DD = 3V

250

200

V DD = 5V

150

100

V DD = 9V

V DD = 12V

50

0

0

5

10

Figure 5. TOW vs RBIAS (R in M )

SPDT (On - Off - On)

+V

ENCODER

A CLOCK

B CLOCK

6

2

MODE

V DD

4

A

8

CLK

5

B

LS7184N

7

UP/DN

1

RB

RBIAS

Vss

3

+V

16

V DD

15

CK

10

UP/DN

4516

Vss

8

FIGURE 6A. TYPICAL APPLICATION FOR LS7183N in x4 MODE

+5V

FIGURE 6B*. TYPICAL APPLICATION FOR LS7184N WITH MODE SELECTION

*See NOTE at bottom right of Page 1

10k

B

A

GND

A1

DIGITAL

10k

100k 1 RBIAS

8

CLK

POTENTIOMETER

1 CLK

V DD 8

2 V DD

U/D 7

2

U/D

CS 7

3

V SS

MODE 6

3 A1

B1 6

B1

10k 4 A

B5

10k

LS7184N

0.01uF

0.01uF

4 GND

W1 5

W1

AD5220

Part Number:

RE11CT-V1Y12-EF2CS

FIGURE 7. Rotary Encoder Control of Digital Potentiometer

7183N/84N-042709-4

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