LTC2263-14 View Datasheet(PDF) - Linear Technology

Part Name

Description

MFG CO.

LTC2263-14

14-Bit, 65Msps/40Msps/25Msps Low Power Dual ADCs

Linear Technology 

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LTC2265-14/

LTC2264-14/LTC2263-14

FUNCTIONAL BLOCK DIAGRAM

1.8V

VDD

CHANNEL 1

ANALOG

INPUT

SAMPLE-

AND-HOLD

14-BIT

ADC CORE

ENC+ ENC–

PLL

CHANNEL 2

ANALOG

INPUT

SAMPLE-

AND-HOLD

VREF

1μF

1.25V

REFERENCE

RANGE

SELECT

14-BIT

ADC CORE

REF

SENSE

BUF

REFH

REFL

VDD / 2

DIFF

REF

AMP

1.8V

OVDD

DATA

SERIALIZER

OUT1A

OUT1B

OUT2A

OUT2B

DATA

CLOCKOUT

FRAME

MODE

CONTROL

REGISTERS

OGND

GND

REFH 0.1μF REFL

VCM1 VCM2

0.1μF

0.1μF PAR/SER CS SCK SDI SDO

2.2μF

0.1μF

0.1μF

Figure 1. Functional Block Diagram

18

22654314f

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