Datasheet > ISO7740_V02

ISO7740_V02

更新时间： 2024-09-17 02:48:19

品牌	Logo	应用领域
德州仪器 - TI		/
页数	文件大小	规格书
52页	2920K
描述
ISO774x High-Speed, Robust-EMC Reinforced and Basic Quad-Channel Digital Isolators

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ISO7740, ISO7741, ISO7742

SLLSEP4G –MARCH 2016–REVISED FEBRUARY 2020

ISO774x High-Speed, Robust-EMC Reinforced and Basic Quad-Channel Digital Isolators

1 Features

3 Description

The ISO774x devices are high-performance, quad-

channel digital isolators with 5000 V_RMS(DW

package) and 3000 V_RMS(DBQ package) isolation

ratings per UL 1577. This family includes devices with

reinforced insulation ratings according to VDE, CSA,

TUV and CQC. The ISO7741B device is designed for

applications that require basic insulation ratings only.

•

100 Mbps data rate

Robust isolation barrier:

–

>100-year projected lifetime at 1500 V_RMS

working voltage

–

Up to 5000 V_RMSisolation rating

Up to 12.8 kV surge capability

±100 kV/μs typical CMTI

The ISO774x devices provide high electromagnetic

immunity and low emissions at low power

consumption, while isolating CMOS or LVCMOS

digital I/Os. Each isolation channel has a logic input

and output buffer separated by a double capacitive

silicon dioxide (SiO₂) insulation barrier. These

devices come with enable pins which can be used to

put the respective outputs in high impedance for

multi-master driving applications and to reduce power

consumption. The ISO7740 device has all four

channels in the same direction, the ISO7741 device

has three forward and one reverse-direction

channels, and the ISO7742 device has two forward

and two reverse-direction channels. If the input power

or signal is lost, default output is high for devices

without suffix F and low for devices with suffix F. See

the Device Functional Modes section for further

details.

•

Wide supply range: 2.25 V to 5.5 V

2.25-V to 5.5-V level translation

Default output high (ISO774x) and low

(ISO774xF) options

•

Wide temperature range: –55°C to 125°C

Low power consumption, typical 1.5 mA per

channel at 1 Mbps

•

Low propagation delay: 10.7 ns typical

(5-V Supplies)

Robust electromagnetic compatibility (EMC)

–

System-level ESD, EFT, and surge immunity

±8 kV IEC 61000-4-2 contact discharge

protection across isolation barrier

–

Low emissions

Device Information⁽¹⁾

•

Wide-SOIC (DW-16) and QSOP (DBQ-16)

package options

PART NUMBER

ISO7740

ISO7741

ISO7742

PACKAGE

BODY SIZE (NOM)

SOIC (DW)

10.30 mm × 7.50 mm

•

Automotive version available: ISO774x-Q1

SSOP (DBQ)

SOIC (DW)

4.90 mm × 3.90 mm

10.30 mm × 7.50 mm

Safety-related certifications:

ISO7741B

–

DIN VDE V 0884-11:2017-01

(1) For all available packages, see the orderable addendum at

the end of the data sheet.

UL 1577 component recognition program

CSA, CQC, and TUV certifications

Simplified Schematic

2 Applications

•

Industrial automation

Motor control

V_CCO

V_CCI

Power supplies

Solar inverters

Series Isolation

Capacitors

INx

OUTx

ENx

Medical equipment

GNDI

GNDO

V_CCI=Input supply, V_CCO=Output supply

GNDI=Input ground, GNDO=Output ground

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. PRODUCTION DATA.

12 3 4 5 6 7...52

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与ISO7740_V02相关器件

型号	品牌	获取价格	描述	数据表
ISO7740DBQ	TI	获取价格	EMC 性能优异的四通道、4/0、增强型数字隔离器 \| DBQ \| 16 \| -55 to
ISO7740DBQR	TI	获取价格	EMC 性能优异的四通道、4/0、增强型数字隔离器 \| DBQ \| 16 \| -55 to
ISO7740DW	TI	获取价格	EMC 性能优异的四通道、4/0、增强型数字隔离器 \| DW \| 16 \| -55 to
ISO7740DWR	TI	获取价格	EMC 性能优异的四通道、4/0、增强型数字隔离器 \| DW \| 16 \| -55 to
ISO7740FDBQ	TI	获取价格	EMC 性能优异的四通道、4/0、增强型数字隔离器 \| DBQ \| 16 \| -55 to
ISO7740FDBQR	TI	获取价格	EMC 性能优异的四通道、4/0、增强型数字隔离器 \| DBQ \| 16 \| -55 to
ISO7740FDW	TI	获取价格	EMC 性能优异的四通道、4/0、增强型数字隔离器 \| DW \| 16 \| -55 to
ISO7740FDWR	TI	获取价格	EMC 性能优异的四通道、4/0、增强型数字隔离器 \| DW \| 16 \| -55 to
ISO7740FQDBQQ1	TI	获取价格	EMC 性能优异的汽车类四通道、4/0、增强型数字隔离器 \| DBQ \| 16 \| -40
ISO7740FQDBQRQ1	TI	获取价格	EMC 性能优异的汽车类四通道、4/0、增强型数字隔离器 \| DBQ \| 16 \| -40

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