
MAX1420
12-Bit, 60Msps, +3.3V, Low-Power ADC
with Internal Reference
______________________________________________________________________________________ 13
N - 7
N
N - 6
N + 1
N - 5
N + 2
N - 4
N + 3
N - 3
N + 4
N - 2
N + 5
N - 1 N
N + 6
7 CLOCK-CYCLE LATENCY
ANALOG INPUT
DATA OUTPUT
t
OD
t
CH
t
CL
CLK
CLK
Figure 6. System and Output Timing Diagram
INPUT
300Ω
-5V
+5V
0.1µF
0.1µF
0.1µF
0.1µF
*C
IN
22pF
*C
IN
22pF
1nF0.22µF
44pF*
R
ISO
50Ω
R
ISO
50Ω
-5V
600Ω
300Ω
300Ω
INP
INN
LOWPASS FILTER
CML
600Ω
+5V
-5V
0.1µF
600Ω
300Ω
600Ω
300Ω
0.1µF
0.1µF
0.1µF
+5V
0.1µF
300Ω
MAX4108
MAX1420
MAX4108
MAX4108
LOWPASS FILTER
*TWO C
IN
(22pF) CAPS MAY BE REPLACED BY
ONE 44pF CAP, TO IMPROVE PERFORMANCE.
Figure 7. Typical Application Circuit for Single-Ended to Differential Conversion
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