Rainbow-electronics MAX1182 Bedienungsanleitung PDF herunterladen (Seite 6)

MAX1182

Dual 10-Bit, 65Msps, +3V, Low-Power ADC with

Internal Reference and Parallel Outputs

6 _______________________________________________________________________________________

Typical Operating Characteristics

= +3V, OV

= +2.5V, internal reference, differential input at -0.5dB FS, f

CLK

= 65MHz, C

≈ 10pF, T

= +25°C, unless otherwise

noted.)

-100

-70

-80

-90

-50

-60

-10

-20

-30

-40

0 5 10 15 20 25 30 35

FFT PLOT CHA (8192-POINT RECORD,

DIFFERENTIAL INPUT)

MAX1182 toc01

ANALOG INPUT FREQUENCY (MHz)

AMPLITUDE (dB)

CHA

INA

= 6.0065MHz

INB

= 7.51410MHz

CLK

= 65.00057MHz

AINA = -0.55dB FS

-100

-70

-80

-90

-50

-60

-10

-20

-30

-40

0 5 10 15 20 25 30 35

FFT PLOT CHB (8192-POINT RECORD,

DIFFERENTIAL INPUT)

MAX1182 toc02

ANALOG INPUT FREQUENCY (MHz)

AMPLITUDE (dB)

CHB

INA

= 6.0065MHz

INB

= 7.51410MHz

CLK

= 65.00057MHz

AINB = -0.56dB FS

-100

-70

-80

-90

-50

-60

-10

-20

-30

-40

0 5 10 15 20 25 30 35

FFT PLOT CHA (8192-POINT RECORD,

DIFFERENTIAL INPUT)

MAX1182 toc03

ANALOG INPUT FREQUENCY (MHz)

AMPLITUDE (dB)

CHA

INA

= 20.08257MHz

INB

= 25.09727MHz

CLK

= 65.00057MHz

AINB = -0.52dB FS

-100

-70

-80

-90

-50

-60

-10

-20

-30

-40

0 5 10 15 20 25 30 35

FFT PLOT CHB (8192-POINT RECORD,

DIFFERENTIAL INPUT)

MAX1182 toc04

ANALOG INPUT FREQUENCY (MHz)

AMPLITUDE (dB)

CHB

INA

= 20.08257MHz

INB

= 25.09727MHz

CLK

= 65.00057MHz

AINB = -0.52dB FS

-100

-70

-80

-90

-50

-60

-10

-20

-30

-40

0 5 10 15 20 25 30 35

FFT PLOT CHA (8192-POINT RECORD,

DIFFERENTIAL INPUT)

MAX1182 toc05

ANALOG INPUT FREQUENCY (MHz)

AMPLITUDE (dB)

CHA

INA

= 37.31661MHz

INB

= 46.99687MHz

CLK

= 65.00057MHz

AINB = -0.52dB FS

-100

-70

-80

-90

-50

-60

-10

-20

-30

-40

0 5 10 15 20 25 30 35

FFT PLOT CHB (8192-POINT RECORD,

DIFFERENTIAL INPUT)

MAX1182 toc06

ANALOG INPUT FREQUENCY (MHz)

AMPLITUDE (dB)

CHB

INA

= 37.31661MHz

INB

= 46.99687MHz

CLK

= 65.00057MHz

AINB = -0.49dB FS

-100

-70

-80

-90

-50

-60

-10

-20

-30

-40

0 5 10 15 20 25 30 35

TWO-TONE IMD PLOT (8192-POINT RECORD,

DIFFERENTIAL INPUT)

MAX1182 toc07

ANALOG INPUT FREQUENCY (MHz)

AMPLITUDE (dB)

IN1

= 19.13042MHz

IN2

= 21.28864MHz

CLK

= 65.00057MHz

AIN = -6.5dB FS

TWO-TONE ENVELOPE

= -0.47dB FS

IN2

2nd ORDER IMD

3rd ORDER IMD

SIGNAL-TO-NOISE RATIO

vs. ANALOG INPUT FREQUENCY

MAX1182 toc08

ANALOG INPUT FREQUENCY (MHz)

SNR (dB)

110100

CHA

CHB

DIFFERENTIAL INPUT CONFIGURATION

SIGNAL-TO-NOISE + DISTORTION

vs. ANALOG INPUT FREQUENCY

MAX1182 toc09

ANALOG INPUT FREQUENCY (MHz)

SINAD (dB)

110100

CHA

CHB

DIFFERENTIAL INPUT CONFIGURATION

1 2 3 4 5 6 7 8 9 10 11 ... 20 21

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