ADS5520IPAP datasheet(4/38 Pages) TI1

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ADS5520

SBAS310F – 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 = 125 MSPS, 50% clock duty cycle, DLL On, 3-VPP differential clock, and –1dBFS differential

input, unless otherwise noted

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNIT

Clock

Voltage overload recovery time

cycles

Internal Reference Voltages

Reference bottom voltage, VREFM

0.95

Reference top voltage, VREFP

2.1

Reference error

–4%

±0.9%

1.55

Common-mode voltage output, VCM

±0.05

Dynamic DC Characteristics and Accuracy

No missing codes

Tested

Differential nonlinearity error, DNL

fIN = 10 MHz

-0.5

±0.25

0.5

LSB

Integral nonlinearity error, INL

fIN = 10 MHz

-1.5

±0.8

1.5

LSB

Offset error

–11

±1.5

Offset temperature coefficient

0.01

mV/°C

Δoffset error/ΔAVDD from AVDD = 3 V to

DC power-supply rejection ratio, DC PSRR

0.25

mV/V

AVDD = 3.6 V

Gain error (1)

–2

±0.45

%FS

Gain temperature coefficient

0.01

Δ%/°C

Dynamic AC Characteristics

25°C

70.2

fIN = 10 MHz

Full temp range

69.3

fIN = 55 MHz

70.1

25°C

70.1

Signal-to-noise ratio. SNR

fIN = 70 MHz

dBFS

Full temp range

68.8

fIN = 100 MHz

69.7

fIN = 150 MHz

69.3

fIN = 220 MHz

68.4

RMS idle channel noise

Inputs tied to common-mode

0.32

LSB

25°C

fIN = 10 MHz

Full temp range

fIN = 55 MHz

25°C

Spurious-free dynamic range, SFDR

fIN = 70 MHz

dBc

Full temp range

fIN = 100 MHz

fIN = 150 MHz

fIN = 220 MHz

25°C

fIN = 10 MHz

Full temp range

fIN = 55 MHz

25°C

Second-harmonic, HD2

fIN = 70 MHz

dBc

Full temp range

fIN = 100 MHz

fIN = 150 MHz

fIN = 220 MHz

(1)

Gain error is specified by design and characterization; it is not tested in production.

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