ADS5474IPFPR datasheet(6/38 Pages) TI

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ADS5474

SLAS525A – JULY 2007 – REVISED AUGUST 2008......................................................................................................................................................... www.ti.com

ELECTRICAL CHARACTERISTICS (continued)

Typical values at TA = +25°C: minimum and maximum values over full temperature range TMIN = –40°C to TMAX = +85°C,

sampling rate = 400 MSPS, 50% clock duty cycle, AVDD5 = 5 V, AVDD3 = 3.3 V, DVDD3 = 3.3 V, –1 dBFS differential input,

and 3-VPP differential clock, unless otherwise noted.

ADS5474

PARAMETER

TEST CONDITIONS

UNIT

MIN

TYP

MAX

DYNAMIC AC CHARACTERISTICS (continued)

fIN = 30 MHz

69.2

fIN = 70 MHz

68.9

fIN = 130 MHz

68.5

fIN = 230 MHz

65.5

68.2

SINAD

Signal-to-noise and distortion

fIN = 351 MHz

67.3

dBc

fIN = 451 MHz

64.8

fIN = 651 MHz

58.5

fIN = 751 MHz

fIN = 999 MHz

45.4

fIN1 = 69 MHz, fIN2 = 70 MHz,

each tone at –7 dBFS

fIN1 = 69 MHz, fIN2 = 70 MHz,

each tone at –16 dBFS

Two-tone SFDR

dBFS

fIN1 = 297.5 MHz, fIN2 = 302.5 MHz,

each tone at –7 dBFS

fIN1 = 297.5 MHz, fIN2 = 302.5 MHz,

each tone at –16 dBFS

fIN = 70 MHz

10.8

11.2

ENOB

Effective number of bits

Bits

fIN = 230 MHz

10.6

10.9

RMS idle-channel noise

Inputs tied to common-mode

1.8

LSB

DIGITAL OUTPUTS

VOD

Differential output voltage (±)

247

350

454

VOC

Common-mode output voltage

1.125

1.375

DIGITAL INPUTS

VIH

High level input voltage

2.0

VIL

Low level input voltage

0.8

IIH

High level input current

PWD (pin 33)

µA

IIL

Low level input current

-1

µA

Input capacitance

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