ADS5525 datasheet(5/60 Pages) TI2

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ELECTRICAL CHARACTERISTICS

ADS5525

SLWS191B – JULY 2006 – REVISED MAY 2007

Typical values are at 25

°C, min and max values are across the full temperature range T

MIN = –40°C to TMAX = 85°C,

AVDD = DRVDD = 3.3 V, sampling rate = 170 MSPS, sine wave input clock, 1.5 V

PP differential clock amplitude, 50% clock

duty cycle, –1 dBFS differential analog input, internal reference mode, db gain, DDR LVDS data output (unless otherwise

noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

AC CHARACTERISTICS

FIN = 10 MHz

71.2

FIN = 40 MHz

FIN = 70 MHz

68.5

70.5

FIN = 100 MHz

70.3

SNR

Signal to noise ratio

FIN = 150 MHz

69.9

dBFS

0 dB gain, 2 VPP FS(1)

69.1

FIN = 225 MHz

3 dB gain, 1.4 VPP FS

67.9

0 dB gain, 2 VPP FS

68.3

FIN = 300 MHz

3 dB gain, 1.4 VPP FS

67.3

RMS output noise

Inputs tied to common-mode

0.39

LSB

FIN = 10 MHz

FIN = 40 MHz

FIN = 70 MHz

FIN = 100 MHz

SFDR

Spurious free dynamic range

FIN = 150 MHz

dBc

0 dB gain, 2 VPP FS

FIN = 225 MHz

3 dB gain, 1.4 VPP FS

0 dB gain, 2 VPP FS

FIN = 300 MHz

3 dB gain, 1.4 VPP FS

FIN = 10 MHz

FIN = 40 MHz

70.6

FIN = 70 MHz

69.8

FIN = 100 MHz

69.6

SINAD

Signal to noise and distortion ratio

FIN = 150 MHz

69.2

dBFS

0 dB gain, 2 VPP FS

67.6

FIN = 225 MHz

3 dB gain, 1.4 VPP FS

66.4

0 dB gain, 2 VPP FS

FIN = 300 MHz

3 dB gain, 1.4 VPP FS

FIN = 10 MHz

FIN = 40 MHz

FIN = 70 MHz

FIN = 100 MHz

HD2

Second harmonic

FIN = 150 MHz

dBc

0 dB gain, 2 VPP FS

FIN = 225 MHz

3 dB gain, 1.4 VPP FS

0 dB gain, 2 VPP FS

FIN = 300 MHz

3 dB gain, 1.4 VPP FS

(1)

FS = Full scale range

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