Rainbow-electronics AT84AD004 Manual do Utilizador descarregar pdf (Página 9)

AT84AD004

5390A–BDC–06/04

Notes: 1. Differential input [-1 dBFS analog input level], gain setting is 0 dB, two input clock signals, no standby mode,

1:1 DMUX, ISA = -50 ps.

2. Measured on the AT84AD004TD-EB Evaluation Board.

Table 3. AC Performances

Parameter Symbol Min Typ Max Unit

AC Performance

Signal-to-noise Ratio

Fs = 500 Msps Fin = 20 MHz

SNR

42 44 dBc

Fs = 500 Msps Fin = 250 MHz 41 43 dBc

Fs = 500 Msps Fin = 500 MHz 42 dBc

Effective Number of Bits

Fs = 500 Msps Fin = 20 MHz

ENOB

77.2 Bits

Fs = 500 Msps Fin = 250 MHz 6.7 7.0 Bits

Fs = 500 Msps Fin = 500 MHz 6.8 Bits

Total Harmonic Distortion (First 9 Harmonics)

Fs = 500 Msps Fin = 20 MHz

|THD|

48 54 dBc

Fs = 500 Msps Fin = 250 MHz 47 53 dBc

Fs = 500 Msps Fin = 500 MHz 51 dBc

Spurious Free Dynamic Range

Fs = 500 Msps Fin = 20 MHz

|SFDR|

50 56 dBc

Fs = 500 Msps Fin = 250 MHz 49 55 dBc

Fs = 500 Msps Fin = 500 MHz 54 dBc

Two-tone Inter-modulation Distortion (Single Channel)

IN1

= 249 MHz , F

IN2

= 251 MHz at Fs = 500 Msps IMD -54 dBc

Phase matching using auto-calibration and FiSDA

in interlace mode (channel I and Q)

Fin = 250 MHz

Fs = 500 Msps

dϕ -0.7 0 0.7 °

Crosstalk channel I versus channel Q

Fin = 250 MHz, Fs = 500 Msps

(2)

Cr -55 dB

1 2 3 4 5 6 7 8 9 10 11 12 13 14 ... 57 58

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