ADS5521IPAPR datasheet(4/36 Pages) TI1

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ADS5521

SBAS309D – MAY 2004 – REVISED OCTOBER 2008 ...................................................................................................................................................... www.ti.com

ELECTRICAL CHARACTERISTICS (continued)

Typical values given at TA = 25°C, min and max specified over the full recommended operating temperature range, AVDD =

DRVDD = 3.3 V, sampling rate = 105MSPS, 50% clock duty cycle, DLL On, 3-VPP differential clock, and –1dBFS differential

input, unless otherwise noted

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNIT

Dynamic AC Characteristics

fIN = 10 MHz

25°C to 85°C

70.5

fIN = 55 MHz

Full temp range

66.8

Signal-to-noise ratio. SNR

fIN = 70 MHz

70.3

dBFS

fIN = 100 MHz

fIN = 150 MHz

69.3

fIN = 220 MHz

67.8

RMS idle channel noise

Input tied to common-mode

0.32

LSB

fIN = 10 MHz

25°C

fIN = 55 MHz

Full temp range

Spurious-free dynamic range, SFDR

fIN = 70 MHz

dBc

fIN = 100 MHz

fIN = 150 MHz

fIN = 220 MHz

fIN = 10 MHz

25°C

fIN = 55 MHz

Full temp range

Second-harmonic, HD2

fIN = 70 MHz

dBc

fIN = 100 MHz

fIN = 150 MHz

fIN = 220 MHz

fIN = 10 MHz

25°C

fIN = 55 MHz

Full temp range

Third-harmonic, HD3

dBc

fIN = 70 MHz

fIN = 100 MHz

fIN = 150 MHz

fIN = 220 MHz

Worst-harmonic/spur (other than HD2 and

fIN = 55 MHz

dBc

HD3)

fIN = 10 MHz

70.7

25°C

fIN = 55 MHz

Full temp range

65.8

68.5

Signal-to-noise + distortion, SINAD

fIN = 70 MHz

69.6

dBFS

fIN = 100 MHz

69.3

fIN = 150 MHz

68.2

fIN = 220 MHz

65.8

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