Rainbow Electronics DS1855 User Manual

Page 13

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DS1855

13 of 20

ANALOG RESISTOR CHARACTERISTICS (-40°C to +85°C; V

CC

= 2.7V to 5.5V)

PARAMETER

SYMBOL

CONDITION

MIN

TYP

MAX

UNITS NOTES

Resistor Inputs

L, H, W

GND -

0.3

V

CC

+0.3

V

Wiper Resistance

R

W

3.0V
5.0V

400
250

1000

600

W

Wiper Current

I

W

2

mA

End-to-End Resistance

+25

°

C

-20

+20

%

Absolute Linearity

10k

W/100 pos.

10k

W/256 pos.

20k

W/256 pos.

50k

W/256 pos.

100k

W/256 pos.

-0.75
-0.75

-1.0
-1.5

-2.25

0.75
0.75

1.0
1.5

2.25

LSB

9

Relative Linearity

10k

W/100 pos.

all other pots

-0.25

-0.5

+0.25

0.5

LSB

10

-3dB Cutoff
Frequency

f

cutoff

DS1855-010

1

MHz

End-to-End Temp.
Coefficient

750

ppm/°C

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