Rainbow-electronics MAX19515 Manual do Utilizador descarregar pdf (Página 8)

175MHz TWO-TONE IMD

FREQUENCY (MHz)

AMPLITUDE (dBFS)

MAX19515 toc06

-120

-100

-80

-60

-40

-20

0

f

IN1

= 172.49286MHz

f

IN2

= 177.50202MHz

0 5 10 15 25 3020

70MHz TWO-TONE IMD PLOT

FREQUENCY (MHz)

AMPLITUDE (dBFS)

MAX19515 toc05

-120

-100

-80

-60

-40

-20

0

f

IN1

= 71.496925MHz

f

IN2

= 68.504600MHz

0 5 10 15 25 3020

175MHz INPUT FFT PLOT

FREQUENCY (MHz)

AMPLITUDE (dBFS)

MAX19515 toc04

-120

-100

-80

-60

-40

-20

0

0 5 10 15 25 3020

f

IN

= 175.096626MHz

A

IN

= -0.512dBFS

SNR = 59.073dB

SINAD = 59.022dB

THD = -78.338dBc

SFDR1 = 81.806dBc

SFDR2 = 84.255dBc

70MHz INPUT FFT PLOT

FREQUENCY (MHz)

AMPLITUDE (dBFS)

MAX19515 toc03

-120

-100

-80

-60

-40

-20

0

f

IN

= 70.1014328MHz

A

IN

= -0.532dBFS

SNR = 59.432dB

SINAD = 58.388dB

THD = -79.349dBc

SFDR1 = 84.227dBc

SFDR2 = 81.877dBc

0 5 10 15 25 3020

3MHz SINGLE-ENDED INPUT FFT PLOT

FREQUENCY (MHz)

AMPLITUDE (dBFS)

MAX19515 toc02

-120

-100

-80

-60

-40

-20

0

0 5 10 15 25 3020

f

IN

= 2.99877166748047MHz

A

IN

= -0.546dBFS

SNR = 59.675dB

SINAD = 59.632dB

THD = -79.673dBc

SFDR1 = 88.737dBc

SFDR2 = 82.290dBc

MAX19515

Dual-Channel, 10-Bit, 65Msps ADC

8 _______________________________________________________________________________________

Typical Operating Characteristics

(V

AVDD

= V

OVDD

= 1.8V, internal reference, differential clock, V

CLK

= 1.5V

P-P

, f

CLK

= 65MHz, A

IN

= -0.5dBFS, data output termination

= 50Ω, T

A

= +25°C, unless otherwise noted.)

3MHz INPUT FFT PLOT

FREQUENCY (MHz)

AMPLITUDE (dBFS)

MAX19515 toc01

0 5 10 15 25 3020

-120

-100

-80

-60

-40

-20

0

f

IN

= 2.99877166MHz

A

IN

= -0.532dBFS

SNR = 59.682dB

SINAD = 59.641dB

THD = -79.826dBc

SFDR1 = 83.946dBc

SFDR2 = 82.852dBc

INTEGRAL NONLINEARITY

vs. DIGITAL OUTPUT CODE

DIGITAL OUTPUT CODE

INL (LSB)

MAX19515 toc07

0 256 512 768 1024

-1.0

-0.8

-0.6

-0.4

-0.2

0

0.2

0.4

0.6

0.8

1.0

DIFFERENTIAL NONLINEARITY

vs. DIGITAL OUTPUT CODE

DIGITAL OUTPUT CODE

DNL (LSB)

MAX19515 toc08

0 256 512 768 1024

-1.0

-0.8

-0.6

-0.4

-0.2

0

0.2

0.4

0.6

0.8

1.0

PERFORMANCE vs. INPUT FREQUENCY

INPUT FREQUENCY (MHz)

PERFORMANCE (dBFS)

MAX19515 toc09

0 50 100 150 200 250 300 350 400

50

55

60

65

70

75

80

85

90

95

-THD

SINAD

SFDR1

SNR

SFDR2

1 2 3 4 5 6 7 8 9 10 11 12 13 ... 33 34

MAX19515 1

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