LTC2269 查看數據表（PDF） - Linear Technology

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LTC2269

16-Bit, 20Msps Low Noise ADC

Linear Technology 

FUNCTIONAL BLOCK DIAGRAM

VDD

LTC2269

ANALOG

INPUT

S/H

16-BIT

ADC CORE

VREF

2.2μF

1.25V

REFERENCE

RANGE

SELECT

CORRECTION

LOGIC

OUTPUT

DRIVERS

OVDD

OF

D15

t

t

t

D0

CLKOUT+

CLKOUT–

SENSE

VCM

1μF

REF

BUF

VDD/2

REFH

REFL INTERNAL CLOCK SIGNALS

DIFF

CLOCK/DUTY

MODE

REF

CYCLE

CONTROL

AMP

CONTROL

REGISTERS

OGND

REFH

REFL

2269 BD

GND

2.2μF

ENC+ ENC– PAR/SER CS SCK SDI SDO

1μF

1μF

Figure 1. Functional Block Diagram

2269f

15

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