Rainbow Electronics MAX19517 User Manual

Page 14

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Original mode

MAX19517

Dual-Channel, 10-Bit, 130Msps ADC

______________________________________________________________________________________

T/H

INA+

CMA

REFIO

CMB

INA-

OUTPUT

DRIVERS

DATA

AND

OUTPUT

FORMAT

PIPELINE

ADC

PIPELINE

ADC

CLOCK

DIGITAL

ERROR

CORRECTION

INTERNAL

REFERENCE

GENERATOR

REFERENCE

AND BIAS

SYSTEM

DIGITAL

ERROR

CORRECTION

DUTY-

CYCLE

EQUALIZER

CLOCK

DIVIDER

D0A–D9A

DCLKB

SHDN

GND

DORB

D0B–D9B

OVDD
(1.8V TO 3.3V)

AVDD
(1.8V OR
2.5V TO 3.3V)

DCLKA

DORA

T/H

INB+

INB-

CLK+

CLK-

SYNC

SCLK

SDIN

SERIAL PORT

AND

CONTROL REGISTERS

INTERNAL CONTROL

1.8V INTERNAL

REGULATOR

AND

POWER CONTROL

SPEN

MAX19517

PAR

0.7pF

INA+

COM

PROGRAMMABLE FROM 0.45V TO 1.35V. SEE COMMON-MODE REGISTER (08h)

AVDD

CMA

SAMPLE

1.2pF

SAMPLE

1.2pF

PAR

0.7pF

INA-

AVDD

SAMPLING CLOCK

SWITCH

120

SWITCH

120

Figure 2. Functional Diagram

Figure 3. Internal Track-and-Hold (T/H) Circuit