MAX7324AEG

更新时间： 2024-01-27 22:44:56

品牌	Logo	应用领域
美信 - MAXIM		/
页数	文件大小	规格书
20页	262K
描述
I2C Port Expander with Eight Push-Pull Outputs and Eight Inputs

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数据手册

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MAX7324AEG 数据手册

I C Port Expander with Eight Push-Pull Outputs

and Eight Inputs

Typical Operating Characteristics

(T = +25°C, unless otherwise noted.)

STANDBY CURRENT

vs. TEMPERATURE

SUPPLY CURRENT

vs. TEMPERATURE

2.0

1.8

1.6

1.4

1.2

1.0

0.8

0.6

0.4

0.2

= 400kHz

= 0kHz

SCL

V+ = +5.0V

V+ = +3.3V

V+ = +2.5V

V+ = +1.71V

-40 -25 -10

20 35 50 65 80 95 110 125

-40 -25 -10

20 35 50 65 80 95 110 125

TEMPERATURE (°C)

OUTPUT-VOLTAGE HIGH

vs. TEMPERATURE

OUTPUT-VOLTAGE LOW

vs. TEMPERATURE

0.25

0.20

0.15

0.10

0.05

V+ = +5.0V

= 10mA

V+ = +5.0V

SOURCE

= 20mA

SINK

V+ = +3.3V

= 15mA

V+ = +3.3V

I = 5mA

SOURCE

SINK

V+ = +2.5V I

= 5mA

SOURCE

V+ = +1.71V I

= 2mA

SOURCE

V+ = +1.71V

I = 5mA

SINK

V+ = +2.5V

= 10mA

SINK

-40 -25 -10

20 35 50 65 80 95 110 125

-40 -25 -10

20 35 50 65 80 95 110 125

TEMPERATURE (°C)

Pin Description

NAME

FUNCTION

Active-Low Interrupt Output. INT is an open-drain output.

QSOP

TQFN

INT

RST

Active-Low Reset Input. Drive RST low to clear the 2-wire interface.

Address Inputs. Select device slave address with AD0 and AD2. Connect AD0 and AD2

to either GND, V+, SCL, or SDA to give four logic combinations (see Tables 2 and 3).

3, 21

24, 18

AD2, AD0

4–11

1–8

I0–I7

GND

08–015

SCL

Input Ports. I0 to I7 are CMOS-logic inputs.

Ground

13–20

10–17

Output Ports. O8–O15 are push-pull outputs rated at 20mA.

I C-Compatible Serial Clock Input

SDA

I C-Compatible Serial Data I/O

Positive Supply Voltage. Bypass V+ to GND with a ceramic capacitor of at least 0.047µF.

Exposed Paddle. Connect exposed pad to GND.

—

_______________________________________________________________________________________

1 2 345 6 7...20

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