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MAX7315ATE+T

更新时间： 2024-09-17 19:22:19
品牌 Logo 应用领域
美信 - MAXIM 信息通信管理外围集成电路
页数 文件大小 规格书
26页 1134K
描述
Parallel I/O Port, 8-Bit, 8 I/O, BICMOS, 3 X 3 MM, 0.80 MM PITCH, MO-220, TQFN-16

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中文翻译

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MAX7315ATE+T 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active零件包装代码：QFN
包装说明：HVQCCN, LCC16,.12SQ,20针数：16
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：6 weeks
风险等级：5.3JESD-30 代码：S-XQCC-N16
JESD-609代码：e3长度：3 mm
湿度敏感等级：1位数：8
I/O 线路数量：8端口数量：1
端子数量：16最高工作温度：125 °C
最低工作温度：-40 °C封装主体材料：UNSPECIFIED
封装代码：HVQCCN封装等效代码：LCC16,.12SQ,20
封装形状：SQUARE封装形式：CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
峰值回流温度（摄氏度）：260电源：2.5/3.3 V
认证状态：Not Qualified座面最大高度：0.8 mm
子类别：Parallel IO Port最大供电电压：3.6 V
最小供电电压：2 V标称供电电压：3.3 V
表面贴装：YES技术：BICMOS
温度等级：AUTOMOTIVE端子面层：Matte Tin (Sn)
端子形式：NO LEAD端子节距：0.5 mm
端子位置：QUAD处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：3 mmuPs/uCs/外围集成电路类型：PARALLEL IO PORT, GENERAL PURPOSE
Base Number Matches：1

MAX7315ATE+T 数据手册

 浏览型号MAX7315ATE+T的Datasheet PDF文件第17页浏览型号MAX7315ATE+T的Datasheet PDF文件第18页浏览型号MAX7315ATE+T的Datasheet PDF文件第19页浏览型号MAX7315ATE+T的Datasheet PDF文件第21页浏览型号MAX7315ATE+T的Datasheet PDF文件第22页浏览型号MAX7315ATE+T的Datasheet PDF文件第23页 
8-Port I/O Expander with LED Intensity  
Control, Interrupt, and Hot-Insertion Protection  
where:  
outputs are turned on and off together. Do not use out-  
put O8 as part of a load-sharing design. O8 cannot be  
switched at the same time as any of the other outputs  
because it is controlled by a different register.  
R
is the resistance of the resistor in series with the  
LED  
LED (Ω).  
V
V
V
is the supply voltage used to drive the LED (V).  
SUPPLY  
is the forward voltage of the LED (V).  
The MAX7315 must be protected from the negative  
voltage transient generated when switching off induc-  
tive loads, such as relays, by connecting a reverse-  
biased diode across the inductive load (Figure 18). The  
peak current through the diode is the inductive load’s  
operating current.  
LED  
is the output low voltage of the MAX7315 when  
OL  
sinking I  
(V).  
LED  
I
is the desired operating current of the LED (A).  
LED  
For example, to operate a 2.2V red LED at 14mA from a  
5V supply, R = (5 - 2.2 - 0.25) / 0.014 = 182Ω.  
LED  
Power-Supply Considerations  
The MAX7315 operates with a power-supply voltage of  
2V to 3.6V. Bypass the power supply to GND with at  
least 0.047µF as close to the device as possible. For  
the QFN version, connect the underside exposed pad  
to GND.  
Driving Load Currents Higher than 50mA  
The MAX7315 can be used to drive loads drawing more  
than 50mA, like relays and high-current white LEDs, by  
paralleling outputs. Use at least one output per 50mA of  
load current; for example, a 5V 330mW relay draws  
66mA and needs two paralleled outputs to drive it.  
Ensure that the paralleled outputs chosen are controlled  
by the same blink phase register, i.e., select outputs  
from the P0 through P7 range. This way, the paralleled  
Chip Information  
TRANSISTOR COUNT: 17,611  
PROCESS: BiCMOS  
Table 12. PWM Intensity Settings (Blink Enabled)  
EXAMPLES OF LED BLINK BEHAVIOR  
(LED IS ON WHEN OUTPUT IS LOW)  
PWM DUTY CYCLE  
OUTPUT BLINK  
PHASE X  
PWM DUTY CYCLE  
OUTPUT BLINK  
PHASE X  
OUTPUT  
(OR  
GLOBAL)  
INTENSITY  
SETTING  
BLINK PHASE 0  
REGISTER BIT = 0  
BLINK PHASE 0  
REGISTER BIT = 1  
REGISTER BIT = 0  
REGISTER BIT = 1  
BLINK PHASE 1  
REGISTER BIT = 1  
BLINK PHASE 1  
REGISTER BIT = 0  
LOW  
TIME  
HIGH  
TIME  
LOW  
TIME  
HIGH  
TIME  
0x0  
0x1  
0x2  
0x3  
0x4  
0x5  
0x6  
0x7  
0x8  
0x9  
0xA  
0xB  
0xC  
0xD  
0xE  
1/16  
2/16  
15/16  
14/16  
13/16  
12/16  
11/16  
10/16  
9/16  
15/16  
14/16  
13/16  
12/16  
11/16  
10/16  
9/16  
1/16  
2/16  
3/16  
3/16  
Phase 0: LED on at low intensity  
Phase 1: LED on at high intensity  
Phase 0: LED on at high intensity  
Phase 1: LED on at low intensity  
4/16  
4/16  
5/16  
5/16  
6/16  
6/16  
7/16  
7/16  
8/16  
8/16  
8/16  
8/16  
Output is half intensity during both blink phases  
9/16  
7/16  
7/16  
9/16  
10/16  
11/16  
12/16  
13/16  
14/16  
15/16  
6/16  
6/16  
10/16  
11/16  
12/16  
13/16  
14/16  
15/16  
5/16  
5/16  
Phase 0: LED on at high intensity  
Phase 1: LED on at low intensity  
Phase 0: LED on at low intensity  
Phase 1: LED on at high intensity  
4/16  
4/16  
3/16  
3/16  
2/16  
2/16  
1/16  
1/16  
Static high Static high Phase 0: LED on continuously  
impedance impedance Phase 1: LED off continuously  
Phase 0: LED off continuously  
Phase 1: LED on continuously  
0xF  
Static low Static low  
20 ______________________________________________________________________________________  
1...17181920212223...26

中文翻译

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