Rainbow-electronics AT84AD004 Manual do Utilizador descarregar pdf (Página 10)

AT84AD004

5390A–BDC–06/04

Note: One analog input on both cores, clock I samples the analog input on the rising and falling edges. The calibration

phase is necessary. The gain setting is 0 dB, one input clock I, no standby mode, 1:1 DMUX, FiSDA adjustment.

Table 4. AC Performances in Interlace Mode

Parameter Symbol Min Typ Max Unit

Interlace Mode

Maximum equivalent clock frequency Fint = 2 x Fs

Where Fs = external clock frequency

int

1Gsps

Minimum clock frequency F

int

20 Msps

Differential non-linearity in interlace mode intDNL 0.25 LSB

Integral non-linearity in interlace mode intINL 0.5 LSB

Signal-to-noise Ratio in Interlace Mode

Fint = 1 Gsps Fin = 20 MHz

iSNR

42 dBc

Fint = 1 Gsps Fin = 250 MHz 40 dBc

Effective Number of Bits in Interlace Mode

Fint = 1 Gsps Fin = 20 MHz

iENOB

7.1 Bits

Fint = 1 Gsps Fin = 250 MHz 6.8 Bits

Total Harmonic Distortion in Interlace Mode

Fint = 1 Gsps Fin = 20 MHz

|iTHD|

52 dBc

Fint = 1 Gsps Fin = 250 MHz 49 dBc

Spurious Free Dynamic Range in Interlace Mode

Fint = 1 Gsps Fin = 20 MHz

|iSFDR|

54 dBc

Fint = 1 Gsps Fin = 250 MHz 52 dBc

Two-tone Inter-modulation Distortion (Single Channel) in Interlace Mode

IN1

= 249 MHz , F

IN2

= 251 MHz at F

int

= 1 Gsps iIMD -54 dBc

1 2 ... 5 6 7 8 9 10 11 12 13 14 15 ... 57 58

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