ADS5484 datasheet(16/33 Pages) TI

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fIN − Input Frequency − Hz

−12

−9

−6

−3

10M

100M

G033

ADS5484

ADS5483

ADS5481

ADS5482

ADS5485

Output Code

G034

fs = 170 MSPS for ADS5484

fs = 200 MSPS for ADS5485

Analog Inputs Shorted to VCM

ADS5484

ADS5485

t − time − ms

G066

PDWNF

PDWNS

fS = 135 MSPS

fIN = 10 MHz

PDWNF and PDWNS Tested Independently

PDWNx Disabled at 0 ms

PDWNx Enabled at

≈ 8 ms

fIN − Input Frequency − MHz

−80

−70

−60

−50

−40

−30

−20

−10

0.1

G054

100

ADS5484

ADS5485

SLAS610C – AUGUST 2008 – REVISED OCTOBER 2009 ............................................................................................................................................... www.ti.com

TYPICAL CHARACTERISTICS (continued)

At TA = 25°C, sampling rate = max rated, 50% clock duty cycle, 3-VPP differential sinusoidal clock, analog input amplitude =

–1 dBFS, AVDD5 = 5 V, AVDD3 = 3.3 V, and DVDD3 = 3.3 V, unless otherwise noted.

Typical Data, Valid for Both ADS5484/5485

Plots in this section are valid for either device or otherwise have combined plots.

NORMALIZED GAIN RESPONSE

INPUT FREQUENCY

NOISE HISTOGRAM WITH INPUTS SHORTED

Figure 24.

Figure 25.

CMRR

COMMON-MODE INPUT FREQUENCY

ADC WAKE-UP TIME

Figure 26.

Figure 27.

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