Electrical characteristics (continued) – Rainbow Electronics MAX1427 User Manual
Page 3
MAX1427
15-Bit, 80Msps ADC with -79.3dBFS
Noise Floor for Baseband Applications
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(AV
CC
= 5V, DV
CC
= DRV
CC
= 2.5V, GND = 0, INP and INN driven differentially with -1dBFS, CLKP and CLKN driven differentially
with a 2V
P-P
sinusoidal input signal, C
L
= 5pF at digital outputs, f
CLK
= 80MHz, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical
values are at T
A
= +25°C, unless otherwise noted. ≥+25°C guaranteed by production test, <+25°C guaranteed by design and char-
acterization.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
f
IN
= 5MHz at -1dBFS
76.3
f
IN
= 15MHz at -1dBFS
73
75.9
Signal-to-Noise and Distortion
(Note 1)
f
IN
= 35MHz at -1dBFS
75.3
dB
f
IN
= 5MHz at -1dBFS
96.5
f
IN
= 15MHz at -1dBFS
84
93.5
Spurious-Free Dynamic Range
(HD2 and HD3)
(Note 1)
SFDR1
f
IN
= 35MHz at -1dBFS
85
dBc
f
IN
= 5MHz at -1dBFS
94.5
f
IN
= 15MHz at -1dBFS
85.5
94.5
Spurious-Free Dynamic Range
(HD4 and Higher)
(Note 1)
SFDR2
f
IN
= 35MHz at -1dBFS
91
dBc
Two-Tone Intermodulation
Distortion
TTIMD
f
IN1
= 10MHz at -7dBFS;
f
IN2
= 15MHz at -7dBFS
-91
dBc
Two-Tone Spurious-Free
Dynamic Range
SFDR
TT
f
IN1
= 10MHz at -10dBFS < f
IN1
< -100dBFS;
f
IN2
= 15MHz at -10dBFS < f
IN2
< -100dBFS
-105
dBFS
DIGITAL OUTPUTS (D0–D14, DAV, DOR)
Digital Output Voltage Low
V
OL
0.5
V
Digital Output Voltage High
V
OH
DV
CC
-
0.5
V
TIMING CHARACTERISTICS (DV
CC
= DRV
CC
= 2.5V)
Figure 4
CLKP/CLKN Duty Cycle
Duty cycle
50
±5
%
Effective Aperture Delay
t
AD
230
ps
Output Data Delay
t
DAT
(Note 3)
3
4.5
7.5
ns
Data Valid Delay
t
DAV
(Note 3)
5.3
6.5
8.7
ns
Pipeline Latency
t
LATENCY
3
Clock
cycles
CLKP Rising Edge to DATA
Not Valid
t
DNV
(Note 3)
2.6
3.8
5.7
ns
CLKP Rising Edge to DATA
Valid (Guaranteed)
t
DGV
(Note 3)
3.4
5.2
8.6
ns
DATA Setup Time
(Before DAV Rising Edge)
t
SETUP
(Note 3)
t
CLKP
-
0.5
t
CLKP
+ 1.3
t
CLKP
+ 2.4
ns
DATA Hold Time
(After DAV Rising Edge)
t
HOLD
(Note 3)
t
CLKN
-
3.6
t
CLKN
-
2.8
t
CLKN
-
2.0
ns