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HI-8429PSIF PDF预览

HI-8429PSIF

更新时间： 2024-09-17 19:33:15
品牌 Logo 应用领域
HOLTIC 光电二极管接口集成电路
页数 文件大小 规格书
21页 187K
描述
Interface Circuit,

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HI-8429PSIF 技术参数

是否Rohs认证： 符合生命周期：Active
包装说明：HSOP,Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.57接口集成电路类型：INTERFACE CIRCUIT
JESD-30 代码：R-PDSO-G20长度：12.8 mm
功能数量：1端子数量：20
最高工作温度：85 °C最低工作温度：-40 °C
封装主体材料：PLASTIC/EPOXY封装代码：HSOP
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, HEAT SINK/SLUG
座面最大高度：2.612 mm最大供电电压：3.47 V
最小供电电压：3.13 V标称供电电压：3.3 V
表面贴装：YES技术：CMOS
温度等级：INDUSTRIAL端子形式：GULL WING
端子节距：1.27 mm端子位置：DUAL
宽度：7.5 mmBase Number Matches：1

HI-8429PSIF 数据手册

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HI-8429  
8-Channel GND/Open or Supply/Open Sensor  
with Programmable Thresholds and SPI Interface  
November 2015  
GENERAL DESCRIPTION  
FEATURES  
The HI-8429 is an 8-channel discrete-to-digital sensor  
fabricated with Silicon-on-Insulator (SOI) technology  
designed to interface with a Serial Peripheral Interface  
(SPI).  
· Robust CMOS Silicon-on-Insulator (SOI) technology  
· Eight discrete inputs, individually configurable as  
GND/Open or Supply/Open  
· Interrupt generated on any change of sensor state  
· SPI programmable sensor thresholds  
· Sensor data read through SPI bus  
· Airbus ABD0100H specification compliant  
· MIL-STD-704 compliant  
Each input is individually configurable as either GND/Open  
or Supply/Open (28V/Open). Discrete input thresholds are  
programmable in the range of 2V to 12V. An SPI bus is  
used to configure the sensors and to read sensor data .  
The part operates from a 3.3V (±5%) digital supply and  
12V to 15V analog supply.  
· Sense inputs lightning protected to RTCA/DO1060G,  
Section 22 Level 3  
· 10MHz Serial Peripheral Interface (SPI) allows daisy-  
chaining of parts for efficient board routing  
A1mAwetting current is sourced from the input network on  
each SENSE input when GND/Open mode is selected for  
that pin. The wetting current serves to prevent dry relay or  
switch contacts. An optional debounce circuit also ensures  
sensor outputs respond correctly to mechanical sensor  
inputs. A sensor output interrupt pin alerts the system to a  
change in sensor input, avoiding constant polling via SPI to  
check status.  
· Withstands inadvertent application of 115V AC/400Hz  
power to Sense inputs.  
· Internal Self-Test mode checks analog comparators  
PIN CONFIGURATION  
All sense inputs are internally lightning protected to  
RTCA/DO160G, Section 22 Level 3 Pin Injection Test  
Waveform Set A(3 & 4), Set B (3 & 5A) and Set Z (3 & 5B)  
without the using external components.  
DNBC 1  
SENSE1 2  
SENSE2 3  
SENSE3 4  
SENSE4 5  
SENSE5 6  
SENSE6 7  
SENSE7 8  
SENSE8 9  
INT 10  
20 SEL1  
19 VDD  
18 GND  
17 VLOGIC  
16 SEL0  
15 SI  
Higher levels of lightning protection can be achieved with  
an external series resistor and transorb at each SENSE  
input, refer toAN305 for more details.  
HI-8429PSx  
14 CS  
APPLICATION  
13 SCK  
12 SO  
· Avionics Discrete to Digital Sensing  
11 MR  
20-Pin Plastic Small Outline  
Wide-body Package  
HOLT INTEGRATED CIRCUITS  
www.holtic.com  
(DS8429 Rev. C)  
11/15  
1234567...21

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