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

Page 6

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MAX5487/MAX5488/MAX5489

Dual, 256-Tap, Nonvolatile, SPI-Interface,
Linear-Taper Digital Potentiometers

6

_______________________________________________________________________________________

VARIABLE-RESISTOR INL

vs. TAP POSITION (MAX5488)

MAx5487-89 toc10

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 (MAX5488)

MAx5487-89 toc11

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 (MAX5488)

MAx5487-89 toc12

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

Typical Operating Characteristics (continued)

(V

DD

= +5.0V, T

A

= +25

°C, unless otherwise noted.)

MIDSCALE FREQUENCY RESPONSE

(MAX5488)

MAX5487-89 toc07

FREQUENCY (kHz)

GAIN (dB)

100

10

1

-45

-40

-35

-30

-25

-20

-15

-10

-5

0

-50

0.1

1000

C

W_

= 10pF

C

W_

= 50pF

MIDSCALE FREQUENCY RESPONSE

(MAX5489)

MAX5487-89 toc08

FREQUENCY (kHz)

GAIN (dB)

100

10

1

-45

-40

-35

-30

-25

-20

-15

-10

-5

0

-50

0.1

1000

C

W_

= 10pF

C

W_

= 50pF

VARIABLE-RESISTOR DNL

vs. TAP POSITION (MAX5488)

MAx5487-89 toc09

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

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