MAX128ACAI 데이터 시트보기 (PDF) - Maxim Integrated

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MAX128ACAI

Multirange, +5V, 12-Bit DAS with 2-Wire Serial Interface

Maxim Integrated 

Multirange, +5V, 12-Bit DAS with

2-Wire Serial Interface

PIN

DIP

SSOP

1, 2

1, 2

3, 9, 22, 24

4, 7, 8, 11, 22,

24, 25, 28

4

5

6, 8, 10

3

5

6, 10, 12

7

9

11

12

13–20

21

13

14

15–21, 23

26

23

27

NAME

VDD

N.C.

DGND

SCL

A0, A2, A1

SDA

SHDN

AGND

CH0–CH7

REFADJ

REF

Pin Description

FUNCTION

+5V Supply. Bypass with a 0.1µF capacitor to AGND.

No Connect. No internal connection.

Digital Ground

Serial Clock Input

Address Select Inputs

Open-Drain Serial Data I/O. Input data is clocked in on the rising edge of SCL,

and output data is clocked out on the falling edge of SCL. External pull-up

resistor required.

Shutdown Input. When low, device is in full power-down (FULLPD) mode.

Connect high for normal operation.

Analog Ground

Analog Input Channels

Bandgap Voltage-Reference Output/External Adjust Pin. Bypass with a 0.01µF

capacitor to AGND. Connect to VDD when using an external reference at REF.

Reference Buffer Output/ADC Reference Input. In internal reference mode, the

reference buffer provides a 4.096V nominal output, externally adjustable at

REFADJ. In external reference mode, disable the internal reference by pulling

REFADJ to VDD and applying the external reference to REF.

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