ADS5545 datasheet(5/57 Pages) TI

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ELECTRICAL CHARACTERISTICS

ADS5527

SLWS196A – DECEMBER 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 = 210 MSPS, sine wave input clock, 1.5 V

PP differential clock amplitude, 50% clock

duty cycle, –1 dBFS differential analog input, internal reference mode, 0-db gain, DDR LVDS data output (unless otherwise

noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

AC CHARACTERISTICS

FIN = 20 MHz

70.7

FIN = 70 MHz

70.5

FIN = 100 MHz

70.3

FIN = 170 MHz

69.5

0 dB gain, 2 VPP FS(1)

69.4

SNR

Signal to noise ratio

FIN = 230 MHz

dBFS

3 dB gain, 1.4 VPP FS

0 dB gain, 2 VPP FS

68.5

FIN = 300 MHz

3 dB gain, 1.4 VPP FS

67.4

0 dB gain, 2 VPP FS

67.3

FIN = 400 MHz

3 dB gain, 1.4 VPP FS

66.4

RMS output noise

Inputs tied to common-mode

0.35

LSB

FIN = 20 MHz

FIN = 70 MHz

FIN = 100 MHz

FIN = 170 MHz

0 dB gain, 2 VPP FS

SFDR

Spurious free dynamic range

FIN = 230 MHz

dBc

3 dB gain, 1.4 VPP FS

0 dB gain, 2 VPP FS

FIN = 300 MHz

3 dB gain, 1.4 VPP FS

0 dB gain, 2 VPP FS

FIN = 400 MHz

3 dB gain, 1.4 VPP FS

FIN = 20 MHz

70.5

FIN = 70 MHz

67.5

70.2

FIN = 100 MHz

69.3

FIN = 170 MHz

68.0

FIN = 230 MHz

0 dB gain, 2 VPP FS

67.4

SINAD

Signal to noise and distortion ratio

dBFS

3 dB gain, 1.4 VPP FS

67.1

0 dB gain, 2 VPP FS

66.4

FIN = 300 MHz

3 dB gain, 1.4 VPP FS

66.3

0 dB gain, 2 VPP FS

63.5

FIN = 400 MHz

3 dB gain, 1.4 VPP FS

65.0

FIN = 20 MHz

FIN = 70 MHz

FIN = 100 MHz

FIN = 170 MHz

FIN = 230 MHz

0 dB gain, 2 VPP FS

HD2

Second harmonic

dBc

3 dB gain, 1.4 VPP FS

0 dB gain, 2 VPP FS

FIN = 300 MHz

3 dB gain, 1.4 VPP FS

0 dB gain, 2 VPP FS

FIN = 400 MHz

3 dB gain, 1.4 VPP FS

(1)

FS = Full scale range

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