C-interface, digital potentiometers, Typical operating characteristics (continued) – Rainbow Electronics MAX5479 User Manual

Page 6

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MAX5477/MAX5478/MAX5479

Dual, 256-Tap, Nonvolatile, I

2

C-Interface,

Digital Potentiometers

6

_______________________________________________________________________________________

-0.10

-0.08

-0.04

0

0.02

0.06

0.10

0

64

32

96

128 160 192 224 256

DIFFERENTIAL NONLINEARITY

vs. CODE (VRM MODE)

MAX5477/78/79 toc10

CODE

DNL (LSB)

-0.06

-0.02

0.08

0.04

MAX5478

-0.20

-0.12

-0.16

-0.04

-0.08

0.04

0

0.08

0.16

0.12

0.20

0

64

96

32

128 160 192 224 256

INTEGRAL NONLINEARITY

vs. CODE (VDM MODE)

MAX5477/78/79 toc11

CODE

INL (LSB)

MAX5479

-0.14

-0.02
-0.04
-0.06
-0.08
-0.10
-0.12

0

0.04
0.02

0.10
0.08

0.12

0.06

0.14

0

64

32

96

128 160

192 224

256

DIFFERENTIAL NONLINEARITY

vs. CODE (VDM MODE)

MAX5477/78/79 toc12

CODE

DNL (LSB)

MAX5479

-0.20

-0.12

-0.16

-0.04

-0.08

0.04

0

0.08

0.16

0.12

0.20

0

64

96

32

128 160 192 224 256

INTEGRAL NONLINEARITY

vs. CODE (VRM MODE)

MAX5477/78/79 toc13

CODE

INL (LSB)

MAX5479

-0.20

-0.12

-0.16

-0.04

-0.08

0.04

0

0.08

0.16

0.12

0.20

0

64

96

32

128 160 192 224 256

DIFFERENTIAL NONLINEARITY

vs. CODE (VRM MODE)

MAX5477/78/79 toc14

CODE

DNL (LSB)

MAX5479

CROSSTALK vs. FREQUENCY (MAX5478)

MAX5477/78/79 toc15

FREQUENCY (kHz)

CROSSTALK (dB)

100

10

1

0.1

-90

-80

-70

-60

-50

-40

-30

-20

-10

0

-100

0.01

1000

C

W_

= 10pF

TAP = 0

CROSSTALK vs. FREQUENCY (MAX5479)

MAX5477/78/79 toc16

FREQUENCY (kHz)

CROSSTALK (dB)

1000

100

10

1

-90

-80

-70

-60

-50

-40

-30

-20

-10

0

-100

0.1

10,000

C

W_

= 10pF

TAP = 128

Typical Operating Characteristics (continued)

(V

DD

= +5V, H_ = V

DD

, L_ = GND, T

A

= +25°C, unless otherwise noted.)

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