Rainbow Electronics MAX1420 - Manual (Page 13)

MAX1420
12-Bit, 60Msps, +3.3V, Low-Power ADC
with Internal Reference
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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
300 Ω
-5V
+5V
0.1 µF
0.1 µF
0.1 µF
0.1 µF
*C IN
22pF
*C IN
22pF
1nF 0.22 µF
44pF*
R ISO
50 Ω
R
ISO
50 Ω
-5V
600 Ω
300 Ω
300 Ω
INP
INN
LOWPASS FILTER
CML
600 Ω
+5V
-5V
0.1 µF
600 Ω
300 Ω
600 Ω
300 Ω
0.1 µF
0.1 µF
0.1 µF
+5V
0.1 µF
300 Ω
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