2.7V to 3.6V and 4.5V to 5.5V, Low-Power,

4-/8-/12-Channel, 2-Wire Serial, 12-Bit ADCs

8

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Pin Description

PIN

MAX11612

MAX11613

MAX11614

MAX11615

MAX11616

MAX11617

NAME

FUNCTION

1, 2, 3

5, 6, 7

5, 6, 7

AIN0, AIN1, AIN2

—

8–12

8–12

AIN3–AIN7

—

—

4, 3, 2

AIN8, AIN9, AIN10

Analog Inputs

4

—

—

AIN3/REF

Analog Input 3/Reference Input or Output. Selected in the setup

register (see Tables 1 and 6).

—

1

—

REF

Reference Input or Output. Selected in the setup register

(see Tables 1 and 6).

—

—

1

AIN11/REF

Analog Input 11/Reference Input or Output. Selected in the

setup register (see Tables 1 and 6).

5

13

13

SCL

Clock Input

6

14

14

SDA

Data Input/Output

7

15

15

GND

Ground

816

16

Positive Supply. Bypass to GND with a 0.1µF capacitor.

—

2, 3, 4

—

N.C.

No Connection. Not internally connected.

S

Sr

A

SCL

SDA

PS

S

Sr

A

SCL

SDA

S

HS MODE

F/S MODE

A. F/S-MODE 2-WIRE SERIAL-INTERFACE TIMING

B. HS-MODE 2-WIRE SERIAL-INTERFACE TIMING

t

P

Figure 1. 2-Wire Serial-Interface Timing