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ISO7140FCC

更新时间： 2024-02-12 14:18:07
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4242-VPK Small-Footprint and Low-Power Triple and Quad Channels Digital Isolators

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ISO7140FCC 数据手册

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ISO7131CC, ISO7140CC, ISO7140FCC  
ISO7141CC, ISO7141FCC  
www.ti.com  
SLLSE83E –APRIL 2013–REVISED SEPTEMBER 2013  
4242-V Small-Footprint and Low-Power Triple and Quad Channels Digital Isolators  
PK  
Check for Samples: ISO7131CC, ISO7140CC, ISO7140FCC, ISO7141CC, ISO7141FCC  
1
FEATURES  
APPLICATIONS  
2
•
Maximum Signaling Rate: 50 Mbps (with 5V  
Supplies)  
•
General-Purpose Isolation  
–
Industrial Fieldbus  
•
•
•
Robust Design With Integrated Noise Filter  
Default Output Low Option (Suffix F)  
–
–
–
Profibus  
Modbus™  
Low Power Consumption, Typical ICC per  
Channel (with 3.3 V Supplies):  
DeviceNet Data Buses  
–
–
RS-232, RS-485  
–
–
–
ISO7131: 1.5 mA at 1 Mbps,  
2.6 mA at 25 Mbps  
Serial Peripheral Interface  
ISO7140: 1 mA at 1 Mbps,  
2.3 mA at 25 Mbps  
SAFETY AND REGULATORY  
APPROVALS  
ISO7141: 1.3 mA at 1 Mbps,  
2.6 mA at 25 Mbps  
•
2500 VRMS Isolation for 1 minute per UL 1577  
(Approved)  
•
Low Propagation Delay: 23 ns Typical  
(3.3 V Supplies)  
•
4242 VPK Isolation per DIN EN 60747-5-2 (VDE  
0884 Teil 2), 566 VPK Working Voltage  
(Approved)  
•
•
•
•
Wide Temperature Range: –40°C to 125°C  
50 kV/µs Transient Immunity, Typical  
Long Life with SiO2 Isolation Barrier  
•
•
•
CSA Component Acceptance Notice 5A  
(Approval Pending)  
IEC 60950-1 and IEC 61010-1 End Equipment  
Standards (Approval Pending)  
Operates From 2.7 V, 3.3 V and 5 V Supply and  
Logic Levels  
GB 4943.1-2011 and GB 8898:2011 CQC  
Certification (Approval Pending)  
•
Small QSOP-16 Package  
DESCRIPTION  
ISO7131, ISO7140, and ISO7141 provide galvanic isolation up to 2500 VRMS for 1 minute per UL and 4242 VPK  
per VDE. ISO7131 has three channels with two forward and one reverse-direction channels. ISO7140 and  
ISO7141 are quad-channel isolators; ISO7140 has four forward, ISO7141 has three forward and one reverse-  
direction channels. These devices are capable of 50 Mbps maximum data rate with 5V supplies and 40Mbps  
maximum data rate with 3.3V or 2.7V supplies, with integrated filters on the inputs for noise-prone applications.  
The suffix F indicates that default output state is low; otherwise, the default output state is high (see Table 1).  
Each isolation channel has a logic input and output buffer separated by a silicon dioxide (SiO2) insulation barrier.  
Used in conjunction with isolated power supplies, these devices prevent noise currents on a data bus or other  
circuits from entering the local ground and interfering with or damaging sensitive circuitry. The devices have TTL  
input thresholds and can operate from 2.7 V, 3.3 V, and 5 V supplies. All inputs are 5V tolerant when supplied  
from a 2.7V or 3.3V supply.  
PIN CONFIGURATIONS (TOP VIEW)  
ISO7140  
ISO7131  
ISO7141  
VCC1  
VCC2  
VCC1  
VCC2  
VCC1  
VCC2  
1
2
16  
15  
1
2
16  
15  
1
2
16  
15  
GND2  
OUTA  
OUTB  
INC  
GND1  
GND2  
OUTA  
OUTB  
OUTC  
OUTD  
EN  
GND2  
OUTA  
OUTB  
OUTC  
IND  
GND1  
INA  
GND1  
INA  
3
4
5
6
7
8
14  
13  
12  
11  
10  
9
INA  
INB  
INC  
3
4
5
6
7
8
14  
13  
12  
11  
10  
9
3
4
5
6
7
8
14  
13  
12  
11  
10  
9
INB  
INB  
OUTC  
NC  
INC  
NC  
OUTD  
EN1  
IND  
NC  
EN1  
EN2  
EN2  
GND1  
GND2  
GND1  
GND1  
GND2  
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.  
Modbus is a trademark of Gould Inc.  
2
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 © 2013, Texas Instruments Incorporated  
 
 
 
 
 
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