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MAX7321

更新时间： 2024-01-23 10:57:43

品牌	Logo	应用领域
美信 - MAXIM		/
页数	文件大小	规格书
17页	663K
描述
I2C Port Expander with 8 Open-Drain I/Os

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技术参数
数据手册

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MAX7321 技术参数

是否Rohs认证：	不符合	生命周期：	Active
Reach Compliance Code：	not_compliant	风险等级：	5.88
Is Samacsys：	N	JESD-30 代码：	R-PDSO-G20
JESD-609代码：	e0	位数：	1
端子数量：	20	最高工作温度：	125 °C
最低工作温度：	-40 °C	封装主体材料：	PLASTIC/EPOXY
封装代码：	TSSOP	封装等效代码：	TSSOP20,.25
封装形状：	RECTANGULAR	封装形式：	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
电源：	2/5 V	认证状态：	Not Qualified
子类别：	Parallel IO Port	表面贴装：	YES
技术：	BICMOS	温度等级：	AUTOMOTIVE
端子面层：	Tin/Lead (Sn/Pb)	端子形式：	GULL WING
端子节距：	0.635 mm	端子位置：	DUAL
Base Number Matches：	1

MAX7321 数据手册

I C Port Expander with 8 Open-Drain I/Os

Typical Operating Characteristics

(T = +25°C, unless otherwise noted.)

OUTPUT VOLTAGE LOW

vs. TEMPERATURE

STANDBY CURRENT vs. TEMPERATURE

SUPPLY CURRENT vs. TEMPERATURE

0.40

0.35

0.30

0.25

0.20

0.15

0.10

0.05

2.0

= 0kHz

= 400kHz

SCL

1.8

1.6

1.4

1.2

1.0

0.8

0.6

0.4

0.2

V+ = +5.0V

= 20mA

SINK

V+ = +5.0V

V+ = +2.5V

= 10mA

V+ = +3.3V

= 15mA

V+ = +3.3V

SINK

V+ = +2.5V

SINK

V+ = +2.5V

V+ = +1.71V

= 5mA

SINK

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

-40 -25 -10

20 35 50 65 80 95 110 125

TEMPERATURE (°C)

Pin Description

NAME

FUNCTION

TSSOP/

SSOP

QSOP

TQFN

AD0,

AD2

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 Table 3).

6, 9

1, 3

15, 1

RST

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

10, 11,

12, 14,

16, 17,

19, 20

4–7, 9–12 2–5, 7–10

P0–P7 Input/Output Ports. P0 to P7 are open-drain I/Os rated at +6V, 20mA.

GND

INT

Ground

—

Interrupt Output. INT is an open-drain output rated at +6V.

SCL

SDA

V+

I C-Compatible Serial Clock Input

I C-Compatible Serial Data I/O

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

No Connection. Internally not connected.

3,18

—

N.C.

Exposed Pad. Connect exposed pad to GND.

_______________________________________________________________________________________

1 2 345 6 7...17

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