ADS42LB49 datasheet(15/70 Pages) TI

15 / 70 page

−110

−108

−106

−104

−102

−100

−98

−36

−33

−30

−27

−24

−21

−18

−15

−12

−9 −7

Each Tone Amplitude (dBFS)

fIN1 = 46 MHz

fIN2 = 50 MHz

G011

−110

−108

−106

−104

−102

−100

−98

−96

−94

−92

−90

−36

−33

−30

−27

−24

−21

−18

−15

−12

−9 −7

Each Tone Amplitude (dBFS)

fIN1 = 185 MHz

fIN2 = 190 MHz

G001

−120

−100

−80

−60

−40

−20

100

125

Frequency (MHz)

Each Tone at

−7 dBFS Amplitude

fIN1 = 185 MHz

fIN2 = 190 MHz

2−Tone IMD = 90 dBFS

SFDR = 102 dBFS

G009

−120

−100

−80

−60

−40

−20

100

125

Frequency (MHz)

Each Tone at

−36 dBFS Amplitude

fIN1 = 185 MHz

fIN2 = 190 MHz

2−Tone IMD = 101 dBFS

SFDR = 104 dBFS

G010

ADS42JB49

ADS42JB69

www.ti.com

SLAS900C – OCTOBER 2012 – REVISED JULY 2013

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 14. FFT FOR TWO-TONE INPUT SIGNAL

Figure 15. FFT FOR TWO-TONE INPUT SIGNAL

(–7 dBFS at 185 MHz and 190 MHz)

(–36 dBFS at 185 MHz and 190 MHz)

Figure 16. INTERMODULATION DISTORTION vs

Figure 17. INTERMODULATION DISTORTION vs

INPUT AMPLITUDE (46 MHz and 50 MHz)

INPUT AMPLITUDE (185 MHz and 190 MHz)

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ADS42LB49 Datasheet(PDF) 15 Page - Texas Instruments

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