LTC2190 View Datasheet(PDF) - Linear Technology

Part Name

Description

MFG CO.

LTC2190

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

Linear Technology 

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LTC2192

LTC2191/LTC2190

FUNCTIONAL BLOCK DIAGRAM

1.8V

VDD

ENC+ ENC–

1.8V

OVDD

PLL

CH1

ANALOG

S/H

INPUT

16-BIT

ADC CORE

CH2

ANALOG

S/H

INPUT

VREF

2.2µF

1.25V

REFERENCE

RANGE

SELECT

16-BIT

ADC CORE

SENSE

REF BUF

REFH

REFL

DIFF REF

AMP

VDD/2

DATA

SERIALIZER

OUT1A

OUT1B

OUT1C

OUT1D

OUT2A

OUT2B

OUT2C

OUT2D

DATA CLOCK OUT

FRAME

OGND

MODE

CONTROL

REGISTERS

REFH

2.2µF

REFL

VCM1

0.1µF

VCM2

0.1µF PAR/SER CS SCK SDI SDO

219210 F01

0.1µF

0.1µF

Figure 1. Functional Block Diagram

16

219210p

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