DS1856 datasheet(7/31 Pages) MAXIM

Part #	DS1856

Description	Dual, Temperature-Controlled Resistors with Internally Calibrated Monitors and Password Protection

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Manufacturer	MAXIM [Maxim Integrated Products]

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Dual, Temperature-Controlled Resistors with Inter-

nally Calibrated Monitors and Password Protection

_______________________________________________________________________________________

7

Typical Operating Characteristics (continued)

(VCC = 5.0V, TA = +25°C, for both 50k

Ω and 20kΩ versions, unless otherwise noted.)

POSITION FFh RESISTANCE

vs. TEMPERATURE

TEMPERATURE (

°C)

80

65

50

35

20

5

-10

-25

48.50

48.25

48.75

49.25

49.00

49.75

49.50

50.00

48.00

-40

95

50k

Ω VERSION

POSITION FFh RESISTANCE

vs. TEMPERATURE

TEMPERATURE (

°C)

80

65

50

35

20

5

-10

-25

19.20

19.40

19.60

19.80

20.00

19.00

-40

95

20k

Ω VERSION

TEMPERATURE COEFFICIENT vs. SETTING

SETTING (DEC)

200

150

100

50

100

50

0

-50

150

200

250

300

350

400

-100

0

250

50k

Ω VERSION

+25

°C TO +95°C

+25

°C TO -40°C

TEMPERATURE COEFFICIENT vs. SETTING

SETTING (DEC)

200

150

100

50

100

0

200

300

400

500

600

700

800

-100

0

250

+25

°C TO +95°C

+25

°C TO -40°C

20k

Ω VERSION

LSB ERROR vs. FULL-SCALE INPUT

NORMALIZED FULL SCALE (%)

75

50

25

-7

-6

-5

-4

-3

-2

-1

0

1

2

3

4

5

6

-8

0

100

+3 SIGMA

-3 SIGMA

MEAN

LSB ERROR vs. FULL-SCALE INPUT

NORMALIZED FULL SCALE (%)

9.375

6.250

3.125

-3

-2

-1

0

1

2

3

-4

0

12.500

+3 SIGMA

-3 SIGMA

MEAN

POSITION 00h RESISTANCE

vs. TEMPERATURE

TEMPERATURE (

°C)

80

65

50

35

20

5

-10

-25

0.34

0.35

0.36

0.37

0.38

0.33

-40

95

20k

Ω VERSION

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