MAX1192 datasheet(13/28 Pages) MAXIM

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Ultra-Low-Power, 22Msps, Dual 8-Bit ADC

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GAIN ERROR

vs. TEMPERATURE

TEMPERATURE (

°C)

-15

0.15

0.20

0.25

0.30

0.35

0.40

0.45

0.50

0.10

-40

VREFIN = 1.024V

CHANNEL A

CHANNEL B

-10

100

1000

INPUT BANDWIDTH

vs. ANALOG INPUT FREQUENCY

-6

-8

-4

-2

ANALOG INPUT FREQUENCY (MHz)

FULL-POWER

BANDWIDTH

-0.5dB FS

SMALL-SIGNAL

BANDWIDTH

-20dB FS

REFERENCE VOLTAGE

vs. ANALOG SUPPLY VOLTAGE

VDD (V)

3.5

3.4

3.3

3.2

3.1

3.0

2.9

2.8

0.5105

0.5110

0.5115

0.5120

0.5125

0.5130

0.5100

2.7

3.6

VDD = VREFIN

REFERENCE VOLTAGE

vs. TEMPERATURE

TEMPERATURE (

°C)

-15

0.5105

0.5110

0.5115

0.5120

0.5125

0.5130

0.5100

-40

VDD = VREFIN

Typical Operating Characteristics (continued)

(VDD = 3.0V, OVDD = 1.8V, VREFIN = VDD (internal reference), CL

≈ 10pF at digital outputs, differential input at -0.5dB FS, fCLK =

22.005678MHz at 50% duty cycle, TA = +25°C, unless otherwise noted.)

INTEGRAL NONLINEARITY

DIGITAL OUTPUT CODE

224

192

128 160

-0.4

-0.3

-0.2

-0.1

0.1

0.2

0.3

0.4

0.5

-0.5

0256

DIFFERENTIAL NONLINEARITY

DIGITAL OUTPUT CODE

224

192

128 160

-0.4

-0.3

-0.2

-0.1

0.1

0.2

0.3

0.4

0.5

-0.5

256

OFFSET ERROR

vs. TEMPERATURE

TEMPERATURE (

°C)

-15

-0.59

-0.58

-0.57

-0.56

-0.55

-0.54

-0.53

-0.52

-0.51

-0.50

-0.60

-40

VREFIN = 1.024V

CHANNEL A

CHANNEL B

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