I2C Port Expander with 12 Push-Pull Outputs and 4 Inputs 4 _____________" />
參數(shù)資料
型號: MAX7326ATG+T
廠商: Maxim Integrated Products
文件頁數(shù): 15/20頁
文件大?。?/td> 0K
描述: IC I/O EXPANDER I2C 16B 24TQFN
產(chǎn)品培訓模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝: 2,500
接口: I²C
輸入/輸出數(shù): 16
中斷輸出:
頻率 - 時鐘: 400kHz
電源電壓: 1.71 V ~ 5.5 V
工作溫度: -40°C ~ 125°C
安裝類型: 表面貼裝
封裝/外殼: 24-WFQFN 裸露焊盤
供應商設備封裝: 24-TQFN-EP(4x4)
包裝: 帶卷 (TR)
包括: POR
MAX7326
I2C Port Expander with 12 Push-Pull Outputs
and 4 Inputs
4
_______________________________________________________________________________________
Typical Operating Characteristics
(TA = +25°C, unless otherwise noted.)
Pin Description
PIN
QSOP
TQFN
NAME
FUNCTION
122
INT
Interrupt Output, Active Low.
INT is an open-drain output.
223
RST
Reset Input, Active Low. Drive
RST low to clear the 2-wire interface.
3, 21
24, 18
AD2, AD0
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).
4, 5, 10,
11, 13–20
1, 2, 7, 8,
10–17
O0, O1,
O6–O15
Output Ports. These push-pull outputs are rated at 20mA.
6–9
3–6
I2–I5
Input Ports. I2 and I5 are CMOS-logic inputs protected to +6V.
12
9
GND
Ground
22
19
SCL
I2C-Compatible Serial-Clock Input
23
20
SDA
I2C-Compatible Serial-Data I/O
24
21
V+
Positive Supply Voltage. Bypass V+ to GND with a 0.047F ceramic capacitor.
EP
Exposed Paddle. Connect exposed paddle to GND.
STANDBY CURRENT
vs. TEMPERATURE
TEMPERATURE (°C)
STANDBY
CURRENT
(
A)
MAX7326
toc01
-40 -25 -10 5
20 35 50 65 80 95 110 125
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
V+ = +3.3V
V+ = +5.0V
V+ = +2.5V
V+ = +1.71V
fSCL = 0kHz
SUPPLY CURRENT
vs. TEMPERATURE
TEMPERATURE (°C)
SUPPLY
CURRENT
(
A)
MAX7326
toc02
-40 -25 -10 5
20 35 50 65 80 95 110 125
0
10
20
30
40
50
60
V+ = +3.3V
V+ = +5.0V
V+ = +2.5V
V+ = +1.71V
fSCL = 400kHz
OUTPUT-VOLTAGE LOW
vs. TEMPERATURE
TEMPERATURE (°C)
OUTPUT-VOLTAGE
LOW
(V)
MAX7326
toc03
-40 -25 -10 5
20 35 50 65 80 95 110 125
0
0.05
0.10
0.15
0.20
0.25
V+ = +3.3V
ISINK = 15mA
V+ = +5.0V
ISINK = 20mA
V+ = +2.5V
ISINK = 10mA
V+ = +1.71V
ISINK = 5mA
V+ = +1.62V
ISINK = 4mA
OUTPUT-VOLTAGE HIGH
vs. TEMPERATURE
TEMPERATURE (°C)
OUTPUT-VOLTAGE
HIGH
(V)
MAX7326
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
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