Dual, 65Msps, 12-Bit, IF/Baseband ADC

ELECTRICAL CHARACTERISTICS (continued)

(VDD = 3.3V, OVDD = 2.0V, GND = 0, REFIN = REFOUT (internal reference), CL 10pF at digital outputs, VIN = -0.5dBFS (differen- tial), DIFFCLK/SECLK = OVDD, PD = GND, SHREF = GND, DIV2 = GND, DIV4 = GND, G/T = GND, fCLK = 65MHz, TA = -40°C to

+85°C, unless otherwise noted. Typical values are at TA = +25°C.) (Note 1)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

 

 

 

 

 

 

 

 

 

fIN = 3MHz at -0.5dBFS

68.1

70.7

 

 

Signal-to-Noise Plus Distortion

SINAD

fIN = 32.5MHz at -0.5dBFS

 

70.4

 

dB

fIN = 70MHz at -0.5dBFS

 

70.2

 

 

 

 

 

 

 

 

fIN = 175MHz at -0.5dBFS

65.9

69.3

 

 

 

 

fIN = 3MHz at -0.5dBFS (Note 2)

81.9

91

 

 

Spurious-Free Dynamic Range

SFDR

fIN = 32.5MHz at -0.5dBFS

 

86.3

 

dBc

fIN = 70MHz at -0.5dBFS

 

84.4

 

 

 

 

 

 

 

 

fIN = 175MHz at -0.5dBFS

71.1

80.2

 

 

 

 

fIN = 3MHz at -0.5dBFS (Note 2)

 

-92.6

-82.9

 

Total Harmonic Distortion

THD

fIN = 32.5MHz at -0.5dBFS

 

-84.3

 

dBc

fIN = 70MHz at -0.5dBFS

 

-83.7

 

 

 

 

 

 

 

 

fIN = 175MHz at -0.5dBFS

 

-78.9

-69.8

 

 

 

fIN = 3MHz at -0.5dBFS

 

-98

 

 

Second Harmonic

HD2

fIN = 32.5MHz at -0.5dBFS

 

-91.7

 

dBc

fIN = 70MHz at -0.5dBFS

 

-94.5

 

 

 

 

 

 

 

 

fIN = 175MHz at -0.5dBFS

 

-80.2

 

 

 

 

fIN = 3MHz at -0.5dBFS

 

-97

 

 

Third Harmonic

HD3

fIN = 32.5MHz at -0.5dBFS

 

-86.3

 

dBc

fIN = 70MHz at -0.5dBFS

 

-84.4

 

 

 

 

 

 

 

 

fIN = 175MHz at -0.5dBFS

 

-85.6

 

 

 

 

fIN1 = 68.5MHz at -7dBFS

 

-89

 

 

Two-Tone Intermodulation

 

fIN2 = 71.5MHz at -7dBFS

 

 

 

TTIMD

 

 

 

dBc

Distortion (Note 3)

fIN1 = 172.5MHz at -7dBFS

 

-82.2

 

 

 

 

 

 

 

 

 

 

 

 

fIN2 = 177.5MHz at -7dBFS

 

 

 

 

 

 

 

 

 

 

 

fIN1 = 68.5MHz at -7dBFS

 

-92.2

 

 

3rd-Order Intermodulation

 

fIN2 = 71.5MHz at -7dBFS

 

 

 

IM3

 

 

 

dBc

Distortion

fIN1 = 172.5MHz at -7dBFS

 

-88.9

 

 

 

 

 

 

 

 

 

 

 

 

fIN2 = 177.5MHz at -7dBFS

 

 

 

 

 

 

 

 

 

 

 

fIN1 = 68.5MHz at -7dBFS

 

90.6

 

 

Two-Tone Spurious-Free

 

fIN2 = 71.5MHz at -7dBFS

 

 

 

SFDRTT

 

 

 

dBc

Dynamic Range

fIN1 = 172.5MHz at -7dBFS

 

82.9

 

 

 

 

 

 

 

 

 

 

 

 

fIN2 = 177.5MHz at -7dBFS

 

 

 

 

 

 

 

 

 

Full-Power Bandwidth

FPBW

Input at -0.2dBFS, -3dB rolloff

 

750

 

MHz

Aperture Delay

tAD

Figure 5

 

1.2

 

ns

Aperture Jitter

tAJ

 

 

<0.15

 

psRMS

Output Noise

nOUT

INAP = INAN = COMA

 

0.3

 

LSBRMS

INBP = INBN = COMB

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MAX12527

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Maxim MAX12527 manual Parameter Symbol Conditions MIN TYP MAX Units