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Functional diagram, Selector guide – Rainbow Electronics MAX1383 User Manual

Page 21

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MAX1377/MAX1379/MAX1383

Dual, 12-Bit, 1.25Msps Simultaneous-Sampling

ADCs with Serial Interface

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21

MUX

MUX

12-BIT
SAR
ADC2

REF

REFSEL

RGND

SEL

AGND

DGND

DOUT2

SCLK

CNVST

DOUT1

OUTPUT
BUFFER

OUTPUT
BUFFER

INTERNAL

REFERENCE

CONTROL

LOGIC

SERIAL

INTERFACE

AND TIMING

V

L

T/H

AIN1A

AIN1B

AIN2A

AIN2B

T/H

U/B

S/D

V

L

AVDD

A = 1

12-BIT

SAR

ADC1

MAX1377
MAX1379
MAX1383

CS

Functional Diagram

PART

SUPPLY VOLTAGE (V)

INTERNAL

REFERENCE

VOLTAGE (V)

INPUT VOLTAGE

RANGE

SAMPLING RATE

(Msps)

MAX1377

2.7 to 3.6

2.048

0 to V

REF,

±V

REF

/2

1.25

MAX1379

4.75 to 5.25

4.096

0 to V

REF,

±V

REF

/2

1.25

MAX1383

4.75 to 5.25

2.5

±10V

1.25

Selector Guide