ADS5521IPAPR datasheet(5/36 Pages) TI1

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DIGITAL CHARACTERISTICS

ADS5521

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

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

fIN = 10 MHz

25°C

fIN = 55 MHz

Full temp range

Total harmonic distortion, THD

fIN = 70 MHz

dBc

fIN = 100 MHz

fIN = 150 MHz

fIN = 220 MHz

70.3

Effective number of bits, ENOB

fIN = 55 MHz

11.3

Bits

f = 10.1 MHz, 15.1 MHz (-7dBFS each tone)

94.6

Two-tone intermodulation distortion, IMD

f = 50.1 MHz, 55.1 MHz (-7dBFS each tone)

96.6

dBFS

f = 150.1 MHz, 155.1 MHz (-7dBFS each tone)

84.7

AC power supply rejection ratio, ACPSRR

Supply noise frequency

≤ 100 MHz

Power Supply

Total supply current, ICC

fIN = 55 MHz

223

250

Analog supply current, IAVDD

fIN = 55 MHz

173

185

Output buffer supply current, IDRVDD

fIN = 55 MHz

Analog only

571

611

Power dissipation

Output buffer power with 10-pF load on digital

165

215

output to ground

Standby power

With clocks running

180

250

Valid over full recommended operating temperature range, AVDD = DRVDD = 3.3 V, unless otherwise noted

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNIT

Digital Inputs

High-level input voltage, VIH

2.4

Low-level input voltage, VIL

0.8

High-level input current, IIH

µA

Low-level input current, IIL

-10

µA

Input current for RESET

–20

µA

Input capacitance

Digital Outputs

Low-level output voltage, VOL

CLOAD = 10 pF

0.3

0.4

High-level output voltage, VOH

CLOAD = 10 pF

2.4

Output capacitance

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