LTC2238 データシートの表示（PDF） - Linear Technology

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LTC2238

10-Bit, 65/40/25Msps Low Noise 3V ADCs

Linear Technology 

LTC2238/LTC2237/LTC2236

W

FUNCTIONAL BLOCK DIAGRA

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

D9

•

•

•

D0

OGND

223876 F01

12

223876fa

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