MAX1220_12 Datasheet, PDF(19/43 Page) Maxim Integrated Products – 12-Bit, Multichannel ADCs/DACs with FIFO,Temperature Sensing, and GPIO Ports

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MAX1220_12 Datasheet, PDF (19/43 Pages) Maxim Integrated Products – 12-Bit, Multichannel ADCs/DACs with FIFO,Temperature Sensing, and GPIO Ports

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12-Bit, Multichannel ADCs/DACs with FIFO,

Temperature Sensing, and GPIO Ports

GPIOA0â GPIOB0â GPIOC0â

GPIOA3 GPIOB3 GPIOC3

AVDD DVDD

USER-PROGRAMMABLE

I/O

GPIO

CONTROL

OSCILLATOR

SCLK

DIN

SPI

PORT

DOUT

EOC

AIN0

AIN13

REF2/

AIN14

CNVST/

AIN15

REF1

TEMPERATURE

SENSOR

CNVST

LOGIC

CONTROL

T/H

12-BIT

SAR

ADC

FIFO AND

ALU

REF2

INTERNAL

REFERENCE

INPUT

DAC

12-BIT

DAC

MAX1257

MAX1258

BUFFER

OUTPUT

CONDITIONING

OUT0

12-BIT

DAC

BUFFER

OUTPUT

CONDITIONING

OUT1

12-BIT

DAC

BUFFER

OUTPUT

CONDITIONING

OUT2

12-BIT

DAC

BUFFER

OUTPUT

CONDITIONING

OUT3

12-BIT

DAC

BUFFER

OUTPUT

CONDITIONING

OUT4

12-BIT

DAC

BUFFER

OUTPUT

CONDITIONING

OUT5

12-BIT

DAC

BUFFER

OUTPUT

CONDITIONING

OUT6

12-BIT

DAC

BUFFER

OUTPUT

CONDITIONING

OUT7

LDAC

AGND

DGND

RES_SEL

Figure 1. MAX1257/MAX1258 Functional Diagram

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