MAX1114 Datasheet, PDF (8/12 Pages) Maxim Integrated Products – 8-Bit, 150Msps Flash ADC

8-Bit, 150Msps Flash ADC
OPTIONAL
BUFFER
ANALOG INPUT
L
CAN BE EITHER
FORCE OR SENSE
VIN
VRTF
0.01µF
VEE
-5.2V
LINV
PREAMP COMPARATOR
256
CLOCK
BUFFER
255
MINV
= AGND
= DGND
VR2
0.01µF
152
D7 (MSB)
151
D6
128
256-BIT
TO 8-BIT
ENCODER
ECL
LATCHES
AND
BUFFERS
D5
127
D4
64
D3
D2
63
D1
2
VREF
10Ω TO
25Ω
VRBF
-2V
OP07
0.01µF
CONVERT
100116
50Ω
VIN
CLK
CLK
50Ω
ANALOG INPUT
CAN BE EITHER
FORCE OR SENSE
-2V
(ANALOG)
0.01µF
1
MAX1114
2
VEE
0.01µF _-5.2V
D0 (LSB)
50Ω x 8
-2V
0.01µF _(DIGITAL)
Figure 1. Typical Interface Circuit 1
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