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| MAX1428 Datasheet, PDF (3/18 Pages) Maxim Integrated Products – 15-Bit, 80Msps ADC with -78.4dBFS Noise Floor for IF Applications | |||
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15-Bit, 80Msps ADC with -78.4dBFS
Noise Floor for IF Applications
ELECTRICAL CHARACTERISTICS (continued)
(AVCC = 5V, DVCC = DRVCC = 2.5V, GND = 0, INP and INN driven differentially with -2dBFS, CLKP and CLKN driven differentially
with a 2VP-P sinusoidal input signal, CL = 5pF at digital outputs, fCLK = 80MHz, TA = TMIN to TMAX, unless otherwise noted. Typical
values are at TA = +25°C, unless otherwise noted. â¥+25°C guaranteed by production test, <+25°C guaranteed by design and char-
acterization.)
PARAMETER
SYMBOL
CONDITIONS
Signal-to-Noise Ratio (Note 1)
Signal-to-Noise and Distortion
(Note 1)
Spurious-Free Dynamic Range
(HD2 and HD3)
(Note 1)
Spurious-Free Dynamic Range
(HD4 and Higher)
(Note 1)
SNR
SINAD
SFDR1
SFDR2
fIN = 5MHz at -2dBFS
fIN = 15MHz at -2dBFS
fIN = 35MHz at -2dBFS
fIN = 70MHz at -2dBFS
fIN = 170MHz at -6dBFS
fIN = 5MHz at -2dBFS
fIN = 15MHz at -2dBFS
fIN = 35MHz at -2dBFS
fIN = 70MHz at -2dBFS
fIN = 170MHz at -6dBFS
fIN = 5MHz at -2dBFS
fIN = 15MHz at -2dBFS
fIN = 35MHz at -2dBFS
fIN = 70MHz at -2dBFS
fIN = 170MHz at -6dBFS
fIN = 5MHz at -2dBFS
fIN = 15MHz at -2dBFS
fIN = 35MHz at -2dBFS
fIN = 70MHz at -2dBFS
fIN = 170MHz at -6dBFS
Two-Tone Intermodulation
Distortion
TTIMD
fIN1 = 69MHz at -8dBFS,
fIN2 = 71MHz at -8dBFS
Two-Tone Spurious-Free
Dynamic Range
SFDRTT
DIGITAL OUTPUTS (D0âD14, DAV, DOR)
Digital Output-Voltage Low
VOL
fIN1 = 69MHz at -12dBFS < fIN1 < -100dBFS,
fIN2 = 71MHz at -12dBFS < fIN2 < -100dBFS
Digital Output-Voltage High
VOH
TIMING CHARACTERISTICS (DVCC = DRVCC = 2.5V)
CLKP/CLKN Duty Cycle
Duty
Cycle
Effective Aperture Delay
Output Data Delay
Data Valid Delay
tAD
tDAT
tDAV
(Note 3)
(Note 3)
Pipeline Latency
tLATENCY
MIN TYP MAX UNITS
75.3
75.3
74.8
dB
72.0 73.9
69.0
74.9
74.9
74.4
dB
71.0 73.4
68.2
88.0
88.0
87.0
dBc
78.0 83.0
78.0
95.0
95.0
95.0
dBc
83.9 91.0
80.0
-82
dBc
-95
dBFS
DRVCC
- 0.5
0.5
V
V
50
±5
%
230
ps
3.0
4.5 7.5
ns
5.3
6.5 8.7
ns
3
Clock
Cycles
_______________________________________________________________________________________ 3
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