ADC128D818_14 datasheet(3/41 Pages) TI1

Part #	ADC128D818

Description	ADC128D818 12-Bit, 8-Channel, ADC System Monitor with Temperature Sensor Internal/External Reference, and I2C Interface

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Manufacturer	TI1 [Texas Instruments]

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12-bit

Delta-

Sigma

ADC and

MUX

Interrupt

Masking

and

Interrupt

Control

Interface and Control

IN0

IN1

IN2

IN3

IN4

IN5

Upper Limit

Lower Limit

Upper Limit

Lower Limit

Upper Limit

Lower Limit

Upper Limit

Lower Limit

Upper Limit

Lower Limit

Upper Limit

Lower Limit

IN0

IN1

IN2

IN3

IN4

IN5

IN6

16

15

14

13

12

11

10

Interrupt

Status

Registers

Serial Bus Interface

SDA

SCL

A0

Watchdog

3

2

7

IN6

IN7

Upper Limit

Lower Limit

Upper Limit

Lower Limit

IN7

9

V

+

GND

VREF

1

4

5

6

A1

8

INT

Internal

VREF =

2.56V

Tempe-

rature

Temperature

Thot

Thot_hyst

ADC128D818

www.ti.com

SNAS483E – FEBRUARY 2010 – REVISED MARCH 2013

PIN DESCRIPTIONS (continued)

ESD

Type

Description

Number

Name(s)

Structure

Interrupt Request. Active Low, NMOS, open-drain.

6

INT

Digital Output

Requires external pull-up resistor to function properly.

Tri-Level Serial Address pins that allow 9 devices on a

7 - 8

A0 - A1

Tri-Level Inputs

single I2C bus.

The full scale range will be controlled by the internal or

9 - 16

IN7 - IN0

Analog Inputs

external VREF. These inputs can be assigned as single-

ended and/or pseudo-differential inputs.

Block Diagram

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