MAX1192 datasheet(7/28 Pages) MAXIM

7 / 28 page

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

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FFT PLOT CHANNEL A (DIFFERENTIAL

INPUTS, 8192-POINT DATA RECORD)

ANALOG INPUT FREQUENCY (MHz)

-80

-70

-60

-50

-40

-30

-20

-10

-90

012

fCLK = 22.005678MHz

fINA = 5.606183MHz

fINB = 8.056034MHz

AINA = AINB = -0.5dB FS

HD3

HD2

fINB

FFT PLOT CHANNEL B (DIFFERENTIAL

INPUTS, 8192-POINT DATA RECORD)

ANALOG INPUT FREQUENCY (MHz)

-80

-70

-60

-50

-40

-30

-20

-10

-90

012

fCLK = 22.005678MHz

fINA = 5.606183MHz

fINB = 8.056034MHz

AINA = AINB = -0.5dB FS

HD3

HD2

fINA

FFT PLOT CHANNEL A (DIFFERENTIAL

INPUTS, 8192-POINT DATA RECORD)

ANALOG INPUT FREQUENCY (MHz)

-80

-70

-60

-50

-40

-30

-20

-10

-90

012

fCLK = 22.005678MHz

fINA = 8.056034MHz

fINB = 5.606183MHz

AINA = AINB = -0.5dB FS

HD3

HD2

fINB

FFT PLOT CHANNEL B (DIFFERENTIAL

INPUTS, 8192-POINT DATA RECORD)

ANALOG INPUT FREQUENCY (MHz)

-80

-70

-60

-50

-40

-30

-20

-10

-90

012

fCLK = 22.005678MHz

fINA = 8.056034MHz

fINB = 5.606183MHz

AINA = AINB = -0.5dB FS

HD3

HD2

fINA

TWO-TONE IMD PLOT (DIFFERENTIAL

INPUTS, 8192-POINT DATA RECORD)

ANALOG INPUT FREQUENCY (MHz)

-80

-70

-60

-50

-40

-30

-20

-10

-90

012

fCLK = 22.005678MHz

fIN1 = 1.8MHz

fIN2 = 2.3MHz

AIN = -7dB FS

fIN2

fIN1

Typical Operating Characteristics

(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.)

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