Datasheet > ISO7421A-Q1

ISO7421A-Q1

更新时间： 2024-09-16 11:58:03

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德州仪器 - TI		/
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描述
LOW-POWER DUAL DIGITAL ISOLATORS

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中文翻译

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数据手册

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ISO7421A-Q1 数据手册

ISO7420-Q1

ISO7421A-Q1

www.ti.com

SLLSE14A –MARCH 2012–REVISED JUNE 2012

LOW-POWER DUAL DIGITAL ISOLATORS

FEATURES

ISO7420

D PACKAGE

(TOP VIEW)

•

Qualified for Automotive Applications

AEC-Q100 Qualified With the Following

Results:

V_CC1

V_CC2

–

Device Temperature Grade 1: –40°C to

+125°C Ambient Operating Temperature

Range

INA

INB

OUTA

OUTB

GND2

GND1

–

Device HBM ESD Classification Level H3A

Device CDM ESD Classification Level C5

•

High Signaling Rate: 50 Mbps

Low Power Consumption

ISO7421A

D PACKAGE

(TOP VIEW)

Low Propagation Delay – 9 ns (Typ)

Low Skew – 300 ps (Typ)

V_CC1

V_CC2

OUTA

INB

INA

4 kVpeak Maximum Isolation, 2.5 kVrms per UL

1577, IEC/VDE and CSA Approved, IEC 60950-

1, IEC 61010-1 End Equipment Standards

Approved. All Approvals Pending.

OUTB

GND2

GND1

•

50 kV/μs Transient Immunity (Typ)

Over 25-Year Isolation Integrity at Rated

Voltage

•

Operates From 3-V to 5.5-V Supply and Logic

Levels

DESCRIPTION

The ISO7420 and ISO7421A provide galvanic isolation up to 2.5 kVrms for 1 minute per UL. These digital

isolators have two isolated channels with bidirectional channel configuration. 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 circuit from entering the local

ground and interfering with or damaging sensitive circuitry.

The devices have TTL input thresholds and require two supply voltages from 3 V to 5.5 V, or any combination.

All inputs are 5-V tolerant when supplied from a 3-V supply.

ORDERING INFORMATION⁽¹⁾

T_A

PACKAGE⁽²⁾

ORDERABLE PART NUMBER

TOP-SIDE MARKING

PREVIEW

7421AQ

ISO7420QDRQ1

–40°C to 125°C

SOIC – D

Reel of 2500

ISO7421AQDRQ1

(1) For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI

web site at www.ti.com.

(2) Package drawings, thermal data, and symbolization are available at www.ti.com/packaging.

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.

12 3 4 5 6 7...20

中文翻译

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与ISO7421A-Q1相关器件

型号	品牌	获取价格	描述	数据表
ISO7421AQDRQ1	TI	获取价格	LOW-POWER DUAL DIGITAL ISOLATORS
ISO7421D	TI	获取价格	Low-Power Dual Digital Isolators
ISO7421DR	TI	获取价格	Low-Power Dual Digital Isolators
ISO7421E	TI	获取价格	Low-Power Dual Channel Digital Isolators
ISO7421ED	TI	获取价格	Low-Power Dual Channel Digital Isolators
ISO7421EDR	TI	获取价格	Low-Power Dual Channel Digital Isolators
ISO7421-EP	TI	获取价格	低功耗双通道数字隔离器
ISO7421E-Q1	TI	获取价格	Low-Power Dual Digital Isolators
ISO7421EQDWRQ1	TI	获取价格	Low-Power Dual Digital Isolators
ISO7421FCC	TI	获取价格	Low-Power Dual Channel Digital Isolators

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