參數(shù)資料
型號: MAX7314ATG+
廠商: Maxim Integrated Products
文件頁數(shù): 21/25頁
文件大?。?/td> 0K
描述: IC I/O EXPANDER I2C 16B 24TQFN
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 75
接口: I²C
輸入/輸出數(shù): 18
中斷輸出:
頻率 - 時(shí)鐘: 400kHz
電源電壓: 2 V ~ 3.6 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(yīng)商設(shè)備封裝: 24-TQFN-EP(4x4)
包裝: 管件
MAX7314
18-Port GPIO with LED Intensity Control,
Interrupt, and Hot-Insertion Protection
_______________________________________________________________________________________
5
PORT OUTPUT LOW VOLTAGE WITH 50mA
LOAD CURRENT vs. TEMPERATURE
PORT
OUTPUT
LOW
VOLTAGE
V
OL
(V)
0.1
0.2
0.3
0.4
0.5
0.6
0
MAX7314
toc04
TEMPERATURE (
°C)
110
95
65 80
-10 5
20 35 50
-25
-40
125
V+ = 3.6V
V+ = 2.7V
V+ = 2V
PORT OUTPUT LOW VOLTAGE WITH 20mA
LOAD CURRENT vs. TEMPERATURE
MAX7314
toc05
TEMPERATURE (
°C)
PORT
OUTPUT
LOW
VOLTAGE
V
OL
(V)
110
95
80
65
50
35
20
5
-10
-25
0.1
0.2
0.3
0.4
0.5
0.6
0
-40
125
ALL OUTPUTS LOADED
V+ = 3.6V
V+ = 2.7V
V+ = 2V
PWM CLOCK FREQUENCY
vs. TEMPERATURE
MAX7314
toc06
TEMPERATURE (
°C)
PWM
CLOCK
FREQUENCY
(kHz)
110
95
80
65
50
35
20
5
-10
-25
0.950
1.000
1.050
0.900
0.925
0.975
1.025
-40
125
V+ = 3.6V
V+ = 2V
V+ = 2.7V
NORMALIZED TO V+ = 3.3V, TA = +25
°C
SCOPE SHOT OF 2 OUTPUT PORTS
MAX7314 toc07
2ms/div
OUTPUT 1,
2V/div
OUTPUT 2,
2V/div
MASTER INTENSITY SET TO 1/15
OUTPUT 1 INDIVIDUAL INTENSITY
SET TO 1/16
OUTPUT 2 INDIVIDUAL INTENSITY
SET TO 15/16
SCOPE SHOT OF 2 OUTPUT PORTS
MAX7314 toc08
2ms/div
OUTPUT 1
2V/div
OUTPUT 2
2V/div
OUTPUT 1 INDIVIDUAL INTENSITY
SET TO 1/16
MASTER INTENSITY SET TO 14/15
OUTPUT 2 INDIVIDUAL INTENSITY
SET TO 14/15
MAX7314
toc09
SINK CURRENT vs. VOL
SINK CURRENT (mA)
V
OL
(V)
50
40
30
20
10
0.05
0.10
0.15
0.20
0.25
0.30
0.35
0
045
35
25
15
5
V+ = 2V
V+ = 2.7V
ONLY ONE OUTPUT LOADED
V+ = 3.3V
V+ = 3.6V
Typical Operating Characteristics (continued)
(TA = +25°C, unless otherwise noted.)
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