Typical operating circuit – Rainbow Electronics MAX108 User Manual
Page 28
MAX108
±5V, 1.5Gsps, 8-Bit ADC with
On-Chip 2.2GHz Track/Hold Amplifier
28
______________________________________________________________________________________
Typical Operating Circuit
MAX108
Z
0
= 50
Ω
50
Ω
ALL PECL OUTPUTS
MUST BE TERMINATED
LIKE THIS.
V
CC
O - 2V
P7+/P7-
P5+/P5-
P3+/P3-
P1+/P1-
A7+/A7-
A5+/A5-
A3+/A3-
TO MEMORY OR DIGITAL SIGNAL PROCESSOR
A1+/A1-
2
2
P6+/P6-
2
P4+/P4-
2
P2+/P2-
2
OR+/OR-
V
EE
V
CC
A
V
CC
I
V
CC
D
V
CC
O
AUXEN1
AUXEN2
-5V ANALOG
DIVSELECT
DEMUXEN
+5V DIGITAL
VOSADJ
VIN-
CLK+
CLK-
CLKCOM
RSTIN+
RSTIN-
+5V ANALOG
+5V DIGITAL
+3.3V DIGITAL
DREADY+/DREADY-
RSTOUT+/RSTOUT-
PRIMARY
PECL
OUTPUTS
P0+/P0-
2
A6+/A6-
2
A4+/A4-
2
A2+/A2-
2
A0+/A0-
2
2
2
2
2
2
2
2
2
2
AUXILARY
PECL
OUTPUTS
GNDA
GNDI
GNDI
GNDR GNDI
GNDD
REFOUT REFIN
Z
0
= 50
Ω
Z
0
= 50
Ω
VIN+
DIFFERENTIAL
ANALOG
INPUT
500mVp-p FS
SAMPLE
CLOCK
1.5GHz
+4dBm
Z
0
= 50
Ω
50
Ω