Rainbow Electronics MAX1181 - Manual (Page 17)

MAX1181
Dual 10-Bit, 80Msps, +3V, Low-Power ADC with
Internal Reference and Parallel Outputs
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MAX1181
0.1 µF
1k Ω
1k Ω 100 Ω
100 Ω
C IN
22pF
C IN
22pF
INB+
INB-
COM
INA+
INA-
0.1 µF
R ISO
50 Ω
R ISO
50 Ω
REFP
REFN
V IN
MAX4108
0.1 µF
1k Ω
1k Ω 100 Ω
100 Ω
C IN
22pF
C IN
22pF
0.1 µF
R ISO
50 Ω
R ISO
50 Ω
REFP
REFN
V IN
MAX4108
Figure 7. Using an Op Amp for Single-Ended, AC-Coupled Input Drive
0 °
90 °
÷8
DOWNCONVERTER
MAX2451
INA+
MAX1181
INA-
INB+
INB-
DSP POST
PROCESSING
Figure 8. Typical QAM Application, Using the MAX1181