Rainbow-electronics MAX1209 Manual do Utilizador descarregar pdf (Página 26)

MAX1209

Aperture Jitter

Figure 4 depicts the aperture jitter (t

), which is the

sample-to-sample variation in the aperture delay.

Output Noise (n

OUT

)

The output noise (n

OUT

) parameter is similar to the ther-

mal + quantization noise parameter and is an indication

of the ADC’s overall noise performance.

No fundamental input tone is used to test for n

OUT

; INP,

INN, and COM are connected together and 1024k data

points collected. n

OUT

is computed by taking the RMS

value of the collected data points.

Overdrive Recovery Time

Overdrive recovery time is the time required for the

ADC to recover from an input transient that exceeds the

full-scale limits. The MAX1209 specifies overdrive

recovery time using an input transient that exceeds the

full-scale limits by ±10%.

12-Bit, 80Msps, 3.3V IF-Sampling ADC

26 ______________________________________________________________________________________

REFP 1

REFN 2

COM 3

GND 4

INP 5

INN 6

GND 7

DCE 8

CLKN 9

CLKP 10

D030

D129

D228

D327

D426

D525

D624

D723

D822

D921

REFIN

REFOUT

GND

DAV

I.C.

CLKTYP

GND

DOR

D11

D10

G/T

TOP VIEW

MAX1209

EXPOSED PADDLE (GND)

THIN QFN

6mm x 6mm x 0.8mm

Pin Configuration

1 2 ... 21 22 23 24 25 26 27

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