ADS42JB49 datasheet(14/73 Pages) TI1

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−120

−100

−80

−60

−40

−20

100

125

Frequency (MHz)

Each Tone at

−7 dBFS Amplitude

fIN1 = 46 MHz

fIN2 = 50 MHz

2−Tone IMD = 98 dBFS

SFDR = 105 dBFS

G007

−120

−100

−80

−60

−40

−20

100

125

Frequency (MHz)

Each Tone at

−36 dBFS Amplitude

fIN1 = 46 MHz

fIN2 = 50 MHz

2−Tone IMD = 101 dBFS

SFDR = 106 dBFS

G007

−120

−100

−80

−60

−40

−20

100

125

Frequency (MHz)

fIN = 170 MHz

SFDR = 87 dBc

SNR = 74.7 dBFS

SINAD = 74.4 dBFS

THD = 84 dBc

SFDR Non HD2, HD3

= 94 dBc

G005

−120

−100

−80

−60

−40

−20

100

125

Frequency (MHz)

fIN = 300 MHz

SFDR = 71 dBc

SNR = 73.4 dBFS

SINAD = 69 dBFS

THD = 70 dBc

SFDR Non HD2, HD3

= 94 dBc

G006

ADS42JB49

ADS42JB69

SLAS900E – OCTOBER 2012 – REVISED AUGUST 2013

www.ti.com

TYPICAL CHARACTERISTICS: ADS42JB69 (continued)

Typical values are at TA = +25°C, ADC sampling rate = 250 MSPS, 50% clock duty cycle, AVDD = 1.8 V, AVDD3V = 3.3 V,

DRVDD = 1.8 V, IOVDD = 1.8 V, –1-dBFS differential input, 2-VPP full-scale, and 32k-point FFT, unless otherwise noted.

Figure 10. FFT FOR 170-MHz INPUT SIGNAL

Figure 11. FFT FOR 300-MHz INPUT SIGNAL

(2.5-VPP Full-Scale)

Figure 12. FFT FOR TWO-TONE INPUT SIGNAL

Figure 13. FFT FOR TWO-TONE INPUT SIGNAL

(–7 dBFS at 46 MHz and 50 MHz)

(–36 dBFS at 46 MHz and 50 MHz)

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