LTC2246LX(RevB) データシートの表示（PDF） - Linear Technology

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LTC2246LX
(Rev.:RevB)

14-Bit, 25Msps 125°C ADC In LQFP

Linear Technology 

LTC2246H

FUNCTIONAL BLOCK DIAGRAM

AIN+

INPUT

AIN–

S/H

FIRST PIPELINED

ADC STAGE

SECOND PIPELINED

ADC STAGE

THIRD PIPELINED

ADC STAGE

FOURTH PIPELINED

ADC STAGE

FIFTH PIPELINED

ADC STAGE

SIXTH PIPELINED

ADC STAGE

VCM

2.2μF

1.5V

REFERENCE

RANGE

SELECT

REF

SENSE

BUF

SHIFT REGISTER

AND CORRECTION

REFH

REFL INTERNAL CLOCK SIGNALS

DIFF

CLOCK/DUTY

CONTROL

REF

CYCLE

LOGIC

AMP

CONTROL

REFH 0.1μF REFL

2.2μF

1μF

1μF

CLK

MODE SHDN

OE

Figure 1. Functional Block Diagram

OUTPUT

DRIVERS

OVDD

OF

D13

•

•

•

D0

OGND

2246H F01

2246hfb

8

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