Rainbow-electronics MAX1039 User Manual download pdf (Page 7)

MAX1036–MAX1039

2.7V to 5.5V, Low-Power, 4-/12-Channel

2-Wire Serial 8-Bit ADCs

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0.980

0.985

0.990

0.995

1.000

1.005

1.010

1.015

1.020

-40 -15 10 35 60 85

INTERNAL 2.048V REFERENCE VOLTAGE

vs. TEMPERATURE

MAX1036 toc10

TEMPERATURE (°C)

REF

NORMALIZED

-0.5

-0.2

-0.3

-0.4

-0.1

0.1

0.2

0.3

0.4

0.5

0 10050 150 200 250 300

DIFFERENTIAL NONLINEARITY

vs. DIGITAL CODE

MAX1036 toc11

DIGITAL OUTPUT CODE

DNL (LSB)

-0.5

-0.2

-0.3

-0.4

-0.1

0.1

0.2

0.3

0.4

0.5

0 10050 150 200 250 300

INTEGRAL NONLINEARITY

vs. DIGITAL CODE

MAX1036 toc12

DIGITAL OUTPUT CODE

INL (LSB)

-120

-80

-100

-40

-60

-20

0 100k

FFT PLOT

MAX1036 toc13

FREQUENCY (Hz)

AMPLITUDE (dBc)

40k20k 60k 80k

SAMPLE = 188ksps

IN = 25kHz

0.3

0.2

0.1

0.4

0.5

0.6

0.7

0.8

0.9

1.0

2.5 3.53.0 4.0 4.5 5.0 5.5

OFFSET ERROR vs. SUPPLY VOLTAGE

MAX1036 toc14

(V)

OFFSET ERROR (LSB)

REF

= 2.048V

0.3

0.2

0.1

0.4

0.5

0.6

0.7

0.8

0.9

1.0

-40 10-15 35 60 85

OFFSET ERROR vs. TEMPERATURE

MAX1036 toc15

TEMPERATURE (°C)

OFFSET ERROR (LSB)

= 3.3V

REF

= 2.048V

-0.1

-0.07

-0.08

-0.09

-0.06

-0.05

-0.04

-0.03

-0.02

-0.01

2.5 3.53.0 4.0 4.5 5.0 5.5

GAIN ERROR vs. SUPPLY VOLTAGE

MAX1036 toc16

(V)

GAIN ERROR (LSB)

REF

= 2.048V

Typical Operating Characteristics (continued)

= 3.3V (MAX1037/MAX1039), V

= 5V (MAX1036/MAX1038), f

SCL

= 1.7MHz, external clock (33% duty cycle), f

SAMPLE

= 188ksps,

single ended, unipolar, T

= +25°C, unless otherwise noted.)

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Rainbow-electronics MAX1039 User Manual Page 7

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Rainbow-electronics MAX1039 User Manual Page 7

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