Rainbow-electronics MAX1208 Uživatelský manuál stáhnout pdf (Strana 7)

MAX1208

12-Bit, 80Msps, 3.3V ADC

_______________________________________________________________________________________ 7

SINGLE-TONE FFT PLOT

(8192-POINT DATA RECORD)

MAX1208 toc01

FREQUENCY (MHz)

AMPLITUDE (dBFS)

363224 2881216204

-100

-90

-80

-70

-60

-50

-40

-30

-20

-10

-110

040

CLK

= 80.00353MHz

= 2.99817879MHz

AIN = -0.527dBFS

SNR = 68.100dB

SINAD = 68.061dB

THD = -88.539dBc

SFDR = 90.612dBc

HD3

HD2

SINGLE-TONE FFT PLOT

(8192-POINT DATA RECORD)

MAX1208 toc02

FREQUENCY (MHz)

AMPLITUDE (dBFS)

363224 2881216204

-100

-90

-80

-70

-60

-50

-40

-30

-20

-10

-110

040

CLK

= 80.00353MHz

= 32.49166395MHz

= -0.495dBFS

SNR = 68.236dB

SINAD = 68.173dB

THD = -86.624dBc

SFDR = 89.446dBc

HD3

HD2

SINGLE-TONE FFT PLOT

(8192-POINT DATA RECORD)

MAX1208 toc03

FREQUENCY (MHz)

AMPLITUDE (dBFS)

363224 2881216204

-100

-90

-80

-70

-60

-50

-40

-30

-20

-10

-110

040

CLK

= 80.00353MHz

= 69.99331395MHz

= -0.510dBFS

SNR = 68.011dB

SINAD = 67.819dB

THD = -81.470dBc

SFDR = 85.617dBc

HD3

HD2

HD4

SINGLE-TONE FFT PLOT

(16,384-POINT DATA RECORD)

MAX1208 toc04

FREQUENCY (MHz)

AMPLITUDE (dBFS)

363224 2881216204

-100

-90

-80

-70

-60

-50

-40

-30

-20

-10

-110

040

CLK

= 80MHz

IN1

= 43.90137MHz

IN1

= -7.010dBFS

IN2

= 45.90332MHz

IN2

= -7.041dBFS

SFDR

= 87.239dBc

IMD = -85.288dBc

IM3 = -87.415dBc

IN1

IN2

2 x f

IN1

+ f

IN2

SINGLE-TONE FFT PLOT

(16,384-POINT DATA RECORD)

MAX1208 toc05

FREQUENCY (MHz)

AMPLITUDE (dBFS)

363224 2881216204

-100

-90

-80

-70

-60

-50

-40

-30

-20

-10

-110

040

CLK

= 80MHz

IN1

= 68.50098MHz

IN1

= -7.043dBFS

IN2

= 71.499MHz

IN2

= -7.041dBFS

IMD = -80.988dBc

IM3 = -84.424dBc

IN1

IN2

2 x f

IN1

+ f

IN2

IN1

+ 2 x f

IN2

IN1

+ f

IN2

INTEGRAL NONLINEARITY

MAX1208 toc06

DIGITAL OUTPUT CODE

INL (LSB)

358430722048 25601024 1536512

-0.8

-0.6

-0.4

-0.2

0.2

0.4

0.6

0.8

1.0

-1.0

04096

DIFFERENTIAL NONLINEARITY

MAX1208 toc07

DIGITAL OUTPUT CODE

DNL (LSB)

358430722048 25601024 1536512

-0.8

-0.6

-0.4

-0.2

0.2

0.4

0.6

0.8

1.0

-1.0

04096

Typical Operating Characteristics

= 3.3V, OV

= 2.0V, GND = 0, REFIN = REFOUT (internal reference), V

= -0.5dBFS, CLKTYP = high, DCE = high, PD = low,

G/T = low, f

CLK

= 80MHz (50% duty cycle), T

= +25°C, unless otherwise noted.)

1 2 3 4 5 6 7 8 9 10 11 12 ... 26 27

12-Bit, 80Msps, 3.3V ADC 1

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