Rainbow-electronics DS3903 Bedienungsanleitung PDF herunterladen (Seite 5)

DS3903

Triple 128-Position Nonvolatile

Digital Potentiometer

_____________________________________________________________________ 5

END-TO-END RESISTANCE PERCENT CHANGE

FROM 25°C vs. TEMPERATURE (90k

Ω)

DS3903 toc09

TEMPERATURE (°C)

% CHANGE

807050 60-10 0 10 203040-30 -20

-0.6

-0.4

-0.2

0

0.2

0.4

0.6

0.8

1.0

-0.8

-1.0

-40

END-TO-END RESISTANCE PERCENT CHANGE

FROM 25°C vs. TEMPERATURE (10k

Ω)

DS3903 toc08

TEMPERATURE (°C)

% CHANGE

807050 60-10 0 10 203040-30 -20

-0.6

-0.4

-0.2

0

0.2

0.4

0.6

0.8

1.0

-0.8

-1.0

-40

VOLTAGE-DIVIDER PERCENT CHANGE

FROM 25°C vs. TEMPERATURE (10k

Ω)

DS3903 toc07

TEMPERATURE (°C)

% CHANGE (FROM 25°C)

807050 60-10 0 10 203040-30 -20

-0.04

-0.03

-0.02

-0.01

0

0.01

0.02

0.03

0.04

-0.05

-0.06

-40

WIPER = 60h

WIPER = 20h

Tc = 1.9ppm/°C

Tc = 0.7ppm/°C

WIPER = 40h

Tc = 5.0ppm/°C

VOLTAGE-DIVIDER PERCENT CHANGE

FROM 25°C vs. TEMPERATURE (10k

Ω)

DS3903 toc06

TEMPERATURE (°C)

% CHANGE (FROM 25°C)

807050 60-10 0 10203040-30 -20

-0.04

-0.02

0

0.02

0.04

0.06

0.08

0.10

0.12

-0.06

-40

WIPER = 60h

WIPER = 20h

Tc = 18.0ppm/°C

Tc = 3.7ppm/°C

WIPER = 40h

Tc = 1.5ppm/°C

WIPER RESISTANCE

vs. WIPER VOLTAGE (90k

Ω)

DS3903 toc05

WIPER VOLTAGE (V)

WIPER RESISTANCE (Ω)

34521

50

100

150

200

250

300

350

0

0

V

CC

= 3V

POS 7Fh

WIPER RESISTANCE

vs. WIPER VOLTAGE (10k

Ω)

DS3903 toc04

WIPER VOLTAGE (V)

WIPER RESISTANCE (Ω)

34521

50

100

150

200

250

300

350

0

0

V

CC

= 3V

POS 7Fh

Typical Operating Characteristics (continued)

(V

CC

= 5.0V, 10kΩ plots apply to both pot0 and pot2, T

A

= +25°C unless otherwise noted.)

VOLTAGE-DIVIDER ABSOLUTE LINEARITY

vs. WIPER SETTING (10k

Ω)

DS3903 toc11

WIPER SETTING

ABSOLUTE LINEARTIY (LSB)

10080604020

0.04

0.08

0.12

0.16

0.20

0

0 120

VOLTAGE-DIVIDER RELATIVE LINEARITY

vs. WIPER SETTING (10k

Ω)

DS3903 toc10

WIPER SETTING

RELATIVE LINEARTIY (LSB)

10080604020

0.01

0.02

0.03

0.04

0.05

0

0 120

1 2 3 4 5 6 7 8 9 10 11

Digital Potentiometer 1

Kommentare zu diesen Handbüchern

Keine Kommentare