ADS42LB49 datasheet(24/70 Pages) TI

24 / 70 page

100

110

120

−2 −1.5 −1 −0.5 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5 6

Digital Gain (dB)

10 MHz

70 MHz

100 MHz

130 MHz

170 MHz

230 MHz

270 MHz

350 MHz

400 MHz

491 MHz

G045

−2 −1.5 −1 −0.5 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5 6

Digital Gain (dB)

10 MHz

70 MHz

100 MHz

130 MHz

170 MHz

230 MHz

270 MHz

350 MHz

400 MHz

491 MHz

G046

100

150

200

250

300

350

400

Input Frequency (MHz)

2−VPP Full−Scale

2.5−VPP Full−Scale

G043

100

150

200

250

300

350

400

Input Frequency (MHz)

2−VPP Full−Scale

2.5−VPP Full−Scale

G044

ADS42JB49

ADS42JB69

SLAS900C – OCTOBER 2012 – REVISED JULY 2013

www.ti.com

TYPICAL CHARACTERISTICS: ADS42JB49 (continued)

Typical values are at TA = +25°C, full temperature range is TMIN = –40°C to TMAX = +85°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 48. SPURIOUS-FREE DYNAMIC RANGE vs

Figure 49. SIGNAL-TO-NOISE RATIO vs

INPUT FREQUENCY

Figure 50. SPURIOUS-FREE DYNAMIC RANGE vs

Figure 51. SIGNAL-TO-NOISE RATIO vs

DIGITAL GAIN

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ADS42LB49 Datasheet(PDF) 24 Page - Texas Instruments

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