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MAX12557
Dual, 65Msps, 14-Bit, IF/Baseband ADC
_______________________________________________________________________________________ 3
ELECTRICAL CHARACTERISTICS (continued)
(V
DD
= 3.3V, OV
DD
= 2.0V, GND = 0, REFIN = REFOUT (internal reference), C
L
≈ 10pF at digital outputs, V
IN
= -0.5dBFS (differen-
tial), DIFFCLK/SECLK = OV
DD
, PD = GND, SHREF = GND, DIV2 = GND, DIV4 = GND, G/T = GND, f
CLK
= 65MHz, T
A
= -40°C to
+85°C, unless otherwise noted. Typical values are at T
A
= +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX
UNITS
f
IN
= 3MHz at -0.5dBFS (Note 3)
71.8 74.4
f
IN
= 32.5MHz at -0.5dBFS
73.10
f
IN
= 70MHz at -0.5dBFS
73.4
Signal-to-Noise Plus Distortion SINAD
f
IN
= 175MHz at -0.5dBFS
71.5
dB
f
IN
= 3MHz at -0.5dBFS (Note 3)
75.5 86.6
f
IN
= 32.5MHz at -0.5dBFS
82.8
f
IN
= 70MHz at -0.5dBFS
83.4
Spurious-Free Dynamic Range SFDR
f
IN
= 175MHz at -0.5dBFS
79.5
dBc
f
IN
= 3MHz at -0.5dBFS (Note 3)
-84.5 -74.5
f
IN
= 32.5MHz at -0.5dBFS
-80.7
f
IN
= 70MHz at -0.5dBFS
-81.7
Total Harmonic Distortion THD
f
IN
= 175MHz at -0.5dBFS
-78.3
dBc
f
IN
= 3MHz at -0.5dBFS
-89.5
f
IN
= 32.5MHz at -0.5dBFS
-84.2
f
IN
= 70MHz at -0.5dBFS
-84.7
Second Harmonic HD2
f
IN
= 175MHz at -0.5dBFS
-79.5
dBc
f
IN
= 3MHz at -0.5dBFS -93
f
IN
= 32.5MHz at -0.5dBFS
-85.5
f
IN
= 70MHz at -0.5dBFS
-86.5
Third Harmonic HD3
f
IN
= 175MHz at -0.5dBFS
-87.2
dBc
f
IN1
= 68.5MHz at -7dBFS
f
IN2
= 71.5MHz at -7dBFS
-88
Two-Tone Intermodulation
Distortion (Note 2)
TTIMD
f
IN1
= 172.5MHz at -7dBFS
f
IN2
= 177.5MHz at -7dBFS
-82.4
dBc
f
IN1
= 68.5MHz at -7dBFS
f
IN2
= 71.5MHz at -7dBFS
-91.5
3rd-Order Intermodulation
Distortion
IM3
f
IN1
= 172.5MHz at -7dBFS
f
IN2
= 177.5MHz at -7dBFS
-87.6
dBc
f
IN1
= 68.5MHz at -7dBFS
f
IN2
= 71.5MHz at -7dBFS
89
Two-Tone Spurious-Free
Dynamic Range
SFDR
TT
f
IN1
= 172.5MHz at -7dBFS
f
IN2
= 177.5MHz at -7dBFS
82.4
dBc
Full-Power Bandwidth FPBW Input at -0.2dBFS, -3dB rolloff
750
MHz
Aperture Delay t
AD
Figure 5 1.2 ns
Aperture Jitter t
AJ
<0.15
ps
RMS
Output Noise n
OUT
INAP = INAN = COMA
INBP = INBN = COMB
1.02
LSB
RMS