I2C Port Expander with 4 Push-Pull Outputs and 4 Inputs 4 ______________" />
參數(shù)資料
型號： MAX7322ATE+
廠商： Maxim Integrated Products
文件頁數(shù)： 13/18頁
文件大小： 0K
描述： IC I/O EXPANDER I2C 4B 16TQFN-EP
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 100
接口： I²C
輸入/輸出數(shù)： 4
中斷輸出： 是
頻率 - 時鐘： 400kHz
電源電壓： 1.7 V ~ 5.5 V
工作溫度： -40°C ~ 125°C
安裝類型： 表面貼裝
封裝/外殼： 16-WFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝： 16-TQFN-EP（3x3）
包裝： 管件
包括： POR
MAX7322
I2C Port Expander with
4 Push-Pull Outputs and 4 Inputs
4
_______________________________________________________________________________________
Typical Operating Characteristics
(TA = +25°C, unless otherwise noted.)
0
0.4
0.2
1.0
0.8
0.6
1.2
1.4
1.8
1.6
2.0
-40
-10 5
-25
203550658095 110 125
STANDBY CURRENT vs. TEMPERATURE
MAX7322
toc01
TEMPERATURE (
°C)
STANDBY
CURRENT
(μ
A)
V+ = +3.3V
V+ = +2.5V
V+ = +5.0V
V+ = +1.71V
fSCL = 0kHz
0
20
10
40
30
50
60
-40
-10 5
20
-25
3550658095 110 125
SUPPLY CURRENT vs. TEMPERATURE
MAX7322
toc02
TEMPERATURE (
°C)
SUPPLY
CURRENT
(μ
A)
V+ = +3.3V
V+ = +5.0V
V+ = +1.71V
V+ = +2.5V
fSCL = 400kHz
OUTPUT VOLTAGE LOW
vs. TEMPERATURE
TEMPERATURE (
°C)
OUTPUT
VOLTAGE
LOW
(V)
MAX7322
toc03
-40 -25 -10 5
20 35 50 65 80 95 110 125
0
0.05
0.10
0.15
0.20
0.25
0.30
0.35
0.40
V+ = +3.3V
ISINK = 15mA
V+ = +5.0V
ISINK = 20mA
V+ = +2.5V
ISINK = 10mA
V+ = +1.71V
ISINK = 5mA
OUTPUT VOLTAGE HIGH
vs. TEMPERATURE
TEMPERATURE (
°C)
OUTPUT
VOLTAGE
HIGH
(V)
MAX7322
toc04
-40 -25 -10 5
20 35 50 65 80 95 110 125
0
1
2
3
4
5
6
V+ = +3.3V
ISOURCE = 5mA
V+ = +5.0V
ISOURCE = 10mA
V+ = +2.5V
ISOURCE = 5mA
V+ = +1.71V
ISOURCE = 2mA
Pin Description
PIN
QSOP
TQFN
NAME
FUNCTION
1, 3
15, 1
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 2).
216
RST
Reset Input. Active Low. Drive RST low to clear the 2-wire interface.
4, 5, 11, 12,
2, 3, 9, 10
O0, O1, O6, O7 Push-Pull Output Ports
6, 7, 9, 10
4, 5, 7, 8
I2–I5
Input Ports. I2 to I5 are CMOS-logic inputs protected to +6V.
8
6
GND
Ground
13
11
INT
Interrupt Output, Active Low. INT is an open-drain output.
14
12
SCL
I2C-Compatible Serial Clock Input
15
13
SDA
I2C-Compatible Serial Data I/O
16
14
V+
Positive Supply Voltage. Bypass V+ to GND with a ceramic capacitor of at least 0.047F.
—
EP
Exposed Paddle. Connect exposed pad to GND.
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