Typical operating characteristics (continued) – Rainbow Electronics MAX5489 User Manual

Page 7

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MAX5487/MAX5488/MAX5489

Dual, 256-Tap, Nonvolatile, SPI-Interface,

Linear-Taper Digital Potentiometers

_______________________________________________________________________________________

7

VARIABLE-RESISTOR DNL

vs. TAP POSITION (MAX5489)

MAx5487-89 toc13

TAP POSITION

DNL (LSB)

224

192

32

64

96

128 160

-0.15

-0.10

-0.05

0

0.05

0.10

0.15

0.20

-0.20

0

256

VOLTAGE-DIVIDER INL

vs. TAP POSITION (MAX5489)

MAx5487-89 toc16

TAP POSITION

INL (LSB)

224

192

32

64

96

128 160

-0.6

-0.8

-0.4

-0.2

0

0.2

0.4

0.6

0.8

1.0

-1.0

0

256

VARIABLE-RESISTOR INL

vs. TAP POSITION (MAX5489)

MAx5487-89 toc14

TAP POSITION

INL (LSB)

224

192

32

64

96

128 160

-0.6

-0.8

-0.4

-0.2

0

0.2

0.4

0.6

0.8

1.0

-1.0

0

256

VOLTAGE-DIVIDER DNL

vs. TAP POSITION (MAX5489)

MAx5487-89 toc15

TAP POSITION

DNL (LSB)

224

192

32

64

96

128 160

-0.15

-0.10

-0.05

0

0.05

0.10

0.15

0.20

-0.20

0

256

-30

-100

0.1

1

100

1000

CROSSTALK vs. FREQUENCY

-90

-70

-50

-80

-60

-40

MAX5487-89toc17

FREQUENCY (kHz)

CROSSTALK (dB)

10

C

W_

= 10pF

MAX5489

MAX5488

-0.010

-0.004

-0.006

-0.008

-0.002

0

0.002

0.004

0.006

0.008

0.010

-40

10

-15

35

60

85

END-TO-END RESISTANCE CHANGE

vs. TEMPERATURE (MAX5488)

MAX5487-89 toc18

TEMPERATURE (

°C)

RESISTANCE CHANGE (%)

-0.010

-0.004

-0.006

-0.008

-0.002

0

0.002

0.004

0.006

0.008

0.010

-40

10

-15

35

60

85

END-TO-END RESISTANCE CHANGE

vs. TEMPERATURE (MAX5489)

MAX5487-89 toc19

TEMPERATURE (

°C)

RESISTANCE CHANGE (%)

Typical Operating Characteristics (continued)

(V

DD

= +5.0V, T

A

= +25

°C, unless otherwise noted.)

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