ISL90842(2005) View Datasheet(PDF) - Intersil

Part Name

Description

Manufacturer

ISL90842
(Rev.:2005)

Quad Digital Controlled Potentiometers (XDCP™)

Intersil 

ISL90842

Typical Performance Curves (Continued)

1.50

1.00

0.50

5.5V

0.00

2.7V

-0.50

-1.00

-1.50

-40

-20

0

20

40

60

80

TEMPERATURE (°C)

FIGURE 9. END TO END Rtotal % CHANGE vs

TEMPERATURE

20

10

0

-10

-20

32

82

132

182

232

TAP POSITION (DECIMAL)

FIGURE 10. TC FOR VOLTAGE DIVIDER MODE IN ppm

35

25

15

5

-5

-15

-25

32 57 82 107 132 157 182 207 232

TAP POSITION (DECIMAL)

FIGURE 11. TC FOR Rheostat MODE IN ppm

INPUT

OUTPUT

Tap Position = Mid Point

RTOTAL = 9.4K

FIGURE 12. FREQUENCY RESPONSE (2.2MHz)

Signal at Wiper (Wiper Unloaded)

SCL

Wiper Movement Mid Point

From 80h to 7fh

FIGURE 13. MIDSCALE GLITCH, CODE 80h TO 7Fh (WIPER 0)

8

Signal at Wiper

(Wiper Unloaded Movement

From ffh to 00h)

FIGURE 14. LARGE SIGNAL SETTLING TIME

FN8096.0

June 14, 2005

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