ADUM7234
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ADUM7234

Isolated Precision Half-Bridge Driver, 4 A Output

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1ku List Price Starting From $1.86
Features
  • Isolated high-side and low-side outputs
  • Working voltage
    • High side or low side relative to input: ±350 V peak
    • High side/low side differential: 350 V peak
  • 4 A peak output current
  • High frequency operation: 1 MHz maximum
  • High common-mode transient immunity: >25 kV/µs
  • High temperature operation: 105°C
  • Narrow body, 16-lead SOIC
  • Safety and regulatory approvals
    • UL recognition
      1000 V rms for 1 minute per UL 1577
Additional Details
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The ADuM7234 is an isolated, half-bridge gate driver that employs the Analog Devices, Inc., iCoupler® technology to provide independent and isolated high-side and low-side outputs. Combining high speed CMOS and monolithic transformer technology, this isolation component provides outstanding performance characteristics superior to optocoupler-based solutions. By avoiding the use of LEDs and photodiodes, this iCoupler gate drive device is able to provide precision timing characteristics not possible with optocouplers. Furthermore, the reliability and performance stability problems associated with optocoupler LEDs are avoided.

In comparison to gate drivers employing high voltage level translation methodologies, the ADuM7234 offers the benefit of true, galvanic isolation between the input and each output. Each output may be operated up to ±350 V peak relative to the input, thereby supporting low-side switching to negative voltages. The differential voltage between the high side and low side may be as high as 350 V peak.

As a result, the ADuM7234 provides reliable control over the switching characteristics of IGBT/MOSFET configurations over a wide range of positive or negative switching voltages.

Applications

  • Isolated IGBT/MOSFET gate drives
  • Plasma displays
  • Industrial inverters
  • Switching power supplies
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file View Data Sheet (Rev.B)
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Part Models 2
1ku List Price Starting From $1.86
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ADUM7234

Documentation

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Data Sheet

1

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UPDATED 01/11/2010
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ADuM7234: Isolated, Precision Half-Bridge Driver, 4 A Output Data Sheet (Rev.B)

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266 kB
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Application Note

24

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UPDATED 11/01/2006
English
AN-770: iCoupler® Isolation in CAN Bus Applications (Rev.0) redirect icon

234 kB

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UPDATED 01/31/2011
Chinese
AN-770: CAN总线应用中的iCoupler®隔离 (Rev.0) redirect icon

362 kB

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UPDATED 11/01/2006
Japanese
AN-770: iCoupler®絶縁のCANバスでの応用 (Rev.0) redirect icon

291 kB

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UPDATED 11/01/2006
English
AN-740: iCoupler® Isolation in RS-232 Applications (Rev.A) redirect icon

218.29 K

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UPDATED 08/31/2010
Chinese
AN-740: RS-232应用中的iCoupler® 隔离 (Rev.0) redirect icon

494 kB

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UPDATED 11/09/2010
Japanese
AN-740: RS-232アプリケーションでのiCoupler®アイソレーション (Rev.0) redirect icon

560 kB

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UPDATED 11/01/2006
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AN-727: iCoupler® Isolation in RS-485 Applications (Rev.0) redirect icon

282 kB

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UPDATED 07/26/2010
Chinese
AN-727: RS-485应用中的iCoupler®隔离 (Rev.0) redirect icon

373 kB

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UPDATED 02/21/2011
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AN-727: RS-485アプリケーションでのiCoupler®アイソレータ (Rev.0) redirect icon

756 kB

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UPDATED 11/01/2006
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AN-793: ESD/Latch-Up Considerations with iCoupler® Isolation Products (Rev.A) redirect icon

246 kB

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UPDATED 01/31/2011
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AN-793: iCoupler®隔离产品的ESD/闩锁考虑因素 (Rev.A) redirect icon

500 kB

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UPDATED 11/01/2006
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AN-793: iCoupler®アイソレータ製品のESD / ラッチアップに関する考慮事項 (Rev.0) redirect icon

331 kB

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UPDATED 06/20/2007
English
AN-913: Isolating I2C Interfaces (Rev.0) redirect icon

280 kB

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UPDATED 06/20/2007
Chinese
AN-913: I²C 接口的隔离 (Rev.0) redirect icon

308 kB

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UPDATED 06/20/2007
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AN-913: I²Cインターフェースのアイソレーション (Rev.0) redirect icon

365 kB

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UPDATED 11/01/2006
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AN-825: Power Supply Considerations in iCoupler® Isolation Products (Rev.0) redirect icon

181 kB

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UPDATED 09/09/2010
Chinese
AN-825: iCoupler®隔离产品的电源考虑因素 (Rev.0) redirect icon

181 kB

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UPDATED 11/01/2006
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AN-825: iCoupler®アイソレーション製品での電源の考慮事項 (Rev.0) redirect icon

340 kB

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UPDATED 07/03/2020
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AN-0971: Recommendations for Control of Radiated Emissions with isoPower Devices redirect icon

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UPDATED 07/03/2020
Chinese
AN-0971: iso Power器件的辐射控制建议 redirect icon

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UPDATED 07/03/2020
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AN-0971：isoPower デバイスでの EMI 放射制御についての推奨事項 redirect icon

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UPDATED 11/22/2023
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AN-913: Isolating I2C Interfaces redirect icon

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UPDATED 11/22/2023
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AN-913: Isolating I2C Interfaces redirect icon

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UPDATED 11/22/2023
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AN-913: I2Cインターフェースのアイソレーション redirect icon

Technical Articles

4

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UPDATED 12/10/2010
English
NAppkin Note: Lowering the Power of the ADuM524x redirect icon

223 kB

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UPDATED 12/10/2010
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Inside iCoupler® Technology:ADuM347x PWM Controller and Transformer Driver with Quad-Channel Isolators Design Summary redirect icon

291 kB

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UPDATED 03/13/2011
English
Inside iCoupler® Technology: Driving an H Bridge with ADuM3220 Isolated Gate Drivers redirect icon

140 kB

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UPDATED 03/13/2011
Japanese
Inside iCoupler® Technology: ADuM3220 絶縁型ゲート・ドライバによるH ブリッジの駆動 redirect icon

Safety and Regulatory Compliance

2

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UPDATED 01/28/2016
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Safety and Regulatory Compliance Information redirect icon

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UPDATED 01/28/2016
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安全規格認証や適合の取得状況 redirect icon

Frequently Asked Question

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UPDATED 05/17/2017
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Documentation

Technical Documents 14
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Data Sheet 1

ADuM7234: Isolated, Precision Half-Bridge Driver, 4 A Output Data Sheet (Rev.B)

Application Note 8

AN-770: iCoupler® Isolation in CAN Bus Applications (Rev.0)
AN-740: iCoupler® Isolation in RS-232 Applications (Rev.A)
AN-727: iCoupler® Isolation in RS-485 Applications (Rev.0)
AN-793: ESD/Latch-Up Considerations with iCoupler® Isolation Products (Rev.A)
AN-913: Isolating I2C Interfaces (Rev.0)
AN-825: Power Supply Considerations in iCoupler® Isolation Products (Rev.0)
AN-0971: Recommendations for Control of Radiated Emissions with isoPower Devices
AN-913: Isolating I2C Interfaces

Technical Articles 3

NAppkin Note: Lowering the Power of the ADuM524x
Inside iCoupler® Technology:ADuM347x PWM Controller and Transformer Driver with Quad-Channel Isolators Design Summary
Inside iCoupler® Technology: Driving an H Bridge with ADuM3220 Isolated Gate Drivers

Safety and Regulatory Compliance 1

Safety and Regulatory Compliance Information

Frequently Asked Question 1

FAQ

Safety and Regulatory Compliance 1

Safety and Regulatory Compliance Information

Circuit Note 1

CN-0196: H-Bridge Driver Circuit Using Isolated Half-Bridge Drivers

Product Selection Guide 1

Digital Isolation and Interface Technology Selection Guide

Video Series 1

Fundamentals of Isolated Gate Drivers

Webcast 1

Solving Isolation Challenges in Power Conversion Applications

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Video

2020-10-28

01:00

Protect your Innovations: from High Precision to High Power

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ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
ADUM7234BRZ 16-Lead SOIC external-link
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  • Material Declaration external-link
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  • Reliablity Data external-link
ADUM7234BRZ-RL7 16-Lead SOIC external-link
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  • Material Declaration external-link
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  • Reliablity Data external-link

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Product Lifecycle

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Sep 22, 2015

- 15_0135

Alternate Assembly Site of Select Isolator Products in 8L/16L SOIC_N, 16L/20L SOIC_W and 16L/20L SOIC_IC at ASE Chungli

ADUM7234BRZ

PRODUCTION

ADUM7234BRZ-RL7

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PCN15_0135_Form

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Detailed Change Description

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Qualification Results Summary

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Oct 5, 2010

- 10_0146

Halogen Free Material Change for 14/16L SOIC_N Products

ADUM7234BRZ

PRODUCTION

ADUM7234BRZ-RL7

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PCN10_0146_Form

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Material_Report

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AEC-Q100 Reliability Report

ADI0012 Reliability Report

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Product Lifecycle

PCN

Sep 22, 2015

- 15_0135

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Alternate Assembly Site of Select Isolator Products in 8L/16L SOIC_N, 16L/20L SOIC_W and 16L/20L SOIC_IC at ASE Chungli

ADUM7234BRZ

PRODUCTION

ADUM7234BRZ-RL7

PRODUCTION

pdf

PCN15_0135_Form

external-icon

xls

Material_Report

Download
Detailed Change Description

pdf

Qualification Results Summary

external-icon
Oct 5, 2010

- 10_0146

arrow down

Halogen Free Material Change for 14/16L SOIC_N Products

ADUM7234BRZ

PRODUCTION

ADUM7234BRZ-RL7

PRODUCTION

pdf

PCN10_0146_Form

external-icon

xls

Material_Report

Download
AEC-Q100 Reliability Report
ADI0012 Reliability Report

Software & Part Ecosystem

Reference Designs 1

H-Bridge Using ADuM7234 Isolated Half-bridge Driver

CN0196

H-Bridge Driver Circuit Using Isolated Half-Bridge Drivers

Reference Designs1

H-Bridge Using ADuM7234 Isolated Half-bridge Driver

CN0196

H-Bridge Driver Circuit Using Isolated Half-Bridge Drivers

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