MAX1038 datasheet(7/23 Pages) MAXIM

Part #	MAX1038

Description	2.7V to 3.6V and 4.5V to 5.5V, Low-Power, 4-/12-Channel 2-Wire Serial 8-Bit ADCs

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Manufacturer	MAXIM [Maxim Integrated Products]

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2.7V to 3.6V and 4.5V to 5.5V, Low-Power,

4-/12-Channel 2-Wire Serial 8-Bit ADCs

_______________________________________________________________________________________

7

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

TEMPERATURE (°C)

-0.5

-0.2

-0.3

-0.4

-0.1

0

0.1

0.2

0.3

0.4

0.5

0

100

50

150

200

250

300

DIFFERENTIAL NONLINEARITY

vs. DIGITAL CODE

DIGITAL OUTPUT CODE

-0.5

-0.2

-0.3

-0.4

-0.1

0

0.1

0.2

0.3

0.4

0.5

0

100

50

150

200

250

300

INTEGRAL NONLINEARITY

vs. DIGITAL CODE

DIGITAL OUTPUT CODE

-120

-80

-100

-40

-60

-20

0

0100k

FFT PLOT

FREQUENCY (Hz)

40k

20k

60k

80k

fSAMPLE = 188ksps

fIN = 25kHz

0

0.3

0.2

0.1

0.4

0.5

0.6

0.7

0.8

0.9

1.0

2.5

3.5

3.0

4.0

4.5

5.0

5.5

OFFSET ERROR vs. SUPPLY VOLTAGE

VDD (V)

VREF = 2.048V

0

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

TEMPERATURE (°C)

VDD = 3.3V

VREF = 2.048V

-0.1

-0.07

-0.08

-0.09

-0.06

-0.05

-0.04

-0.03

-0.02

-0.01

0

2.5

3.5

3.0

4.0

4.5

5.0

5.5

GAIN ERROR vs. SUPPLY VOLTAGE

VDD (V)

VREF = 2.048V

Typical Operating Characteristics (continued)

(VDD = 3.3V (MAX1037/MAX1039), VDD = 5V (MAX1036/MAX1038), fSCL = 1.7MHz, external clock (33% duty cycle), fSAMPLE = 188ksps,

single ended, unipolar, TA = +25°C, unless otherwise noted.)

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