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ISO7230C

更新时间： 2024-02-29 08:53:25
品牌 Logo 应用领域
德州仪器 - TI /
页数 文件大小 规格书
23页 745K
描述
HIGH SPEED, TRIPLE DIGITAL ISOLATORS

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ISO7230C 数据手册

 浏览型号ISO7230C的Datasheet PDF文件第2页浏览型号ISO7230C的Datasheet PDF文件第3页浏览型号ISO7230C的Datasheet PDF文件第4页浏览型号ISO7230C的Datasheet PDF文件第5页浏览型号ISO7230C的Datasheet PDF文件第6页浏览型号ISO7230C的Datasheet PDF文件第7页 
ISO7230C, ISO7230M  
ISO7231C, ISO7230M  
www.ti.com.................................................................................................................................................. SLLS867F–SEPTEMBER 2007–REVISED JUNE 2008  
HIGH SPEED, TRIPLE DIGITAL ISOLATORS  
1
FEATURES  
•
25 and 150-Mbps Signaling Rate Options  
•
•
High Electromagnetic Immunity  
(See Application Note SLLA181)  
–
–
–
Low Channel-to-Channel Output Skew;  
1 ns max  
–40°C to 125°C Operating Range  
Low Pulse-Width Distortion (PWD);  
2 ns max  
APPLICATIONS  
•
•
•
•
Industrial Fieldbus  
Low Jitter Content; 1 ns Typ at 150 Mbps  
Computer Peripheral Interface  
Servo Control Interface  
Data Acquisition  
•
•
Typical 25-Year Life at Rated Working Voltage  
(See Application Note SLLA197 and Figure 14)  
4000-Vpeak Isolation, 560-Vpeak VIORM  
–
UL 1577, IEC 60747-5-2 (VDE 0884, Rev 2),  
IE 61010-1 and CSA Approved  
•
•
4 kV ESD Protection  
Operate With 3.3-V or 5-V Supplies  
DESCRIPTION  
The ISO7230 and ISO7231 are triple-channel digital isolators each with multiple channel configurations and  
output enable functions. These devices have logic input and output buffers separated by TI’s silicon dioxide  
(SiO2) isolation barrier. Used in conjunction with isolated power supplies, these devices block high voltage,  
isolate grounds, and prevent noise currents on a data bus or other circuits from entering the local ground and  
interfering with or damaging sensitive circuitry.  
The ISO7230 triple-channel device has all three channels in the same direction while the ISO7231 has two  
channels in one direction and one channel in opposition. These devices have an active-high output enable that  
when driven to a low level, places the output in a high-impedance state.  
The ISO7230C and ISO7231C have TTL input thresholds and a noise-filter at the input that prevents transient  
pulses of up to 2 ns in duration from being passed to the output of the device, while the ISO7230M and  
ISO7231M have CMOS VCC/2 input thresholds and do not have the input noise-filter or the additional propagation  
delay.  
In each device, a periodic update pulse is sent across the isolation barrier to ensure the proper dc level of the  
output. If this dc-refresh pulse is not received, the input is assumed to be unpowered or not being actively driven,  
and the failsafe circuit drives the output to a logic high state. (Contact TI for a logic low failsafe option).  
These devices require two supply voltages of 3.3-V, 5-V, or any combination. All inputs are 5-V tolerant when  
supplied from a 3.3-V supply and all outputs are 4-mA CMOS. These devices are characterized for operation  
over the ambient temperature range of –40°C to 125°C.  
ISO7230  
ISO7231  
DW PACKAGE  
DW PACKAGE  
V
V
V
V
CC2  
1
2
3
4
5
6
7
8
16  
15  
14  
13  
12  
11  
10  
9
1
2
3
4
5
6
7
8
16  
15  
14  
13  
12  
11  
10  
9
CC1  
CC2  
CC1  
GND1  
GND2  
GND1  
GND2  
IN  
A
IN  
B
IN  
C
OUT  
A
IN  
IN  
OUT  
A
A
OUT  
B
OUT  
B
B
IN  
C
OUT  
C
OUT  
C
NC  
NC  
NC  
NC  
NC  
EN  
EN  
EN  
2
1
GND1  
GND2  
GND1  
GND2  
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2007–2008, Texas Instruments Incorporated  
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ISO7230C 替代型号

型号 品牌 替代类型 描述 数据表
ISO7330C TI

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