THS4022CDGNG4 Equivalent & Substitute Parts

Part Overview

The THS4022CDGNG4 is a voltage feedback operational amplifier featuring two independent circuits in an 8-HVSSOP surface mount package. Manufactured by Texas Instruments, this component is designed for applications requiring high-speed signal conditioning and amplification with a gain bandwidth product of 350 MHz and slew rate of 470V/µs.

The THS4022CDGNG4 is currently discontinued at DiGi Electronics. Equivalent and substitute parts are available to maintain design continuity and ensure project completion. Substitute selection must be based on electrical performance parameters, package compatibility, and operating specifications that align with the original design requirements.

Substiute Parts

THS4022CDGNG4

Texas InstrumentsIn Stock: 1076THS4022CDGNG4 Datasheet

Current PartRFQ

THS4022CDGN

Texas InstrumentsIn Stock: 1175THS4022CDGN Datasheet

MFR RecommendedRFQ

ISL28227FUBZ-T7

Renesas Electronics CorporationIn Stock: 1106ISL28227FUBZ-T7 Datasheet

MFR RecommendedRFQ

ISL28227FUZ-T7A

Renesas Electronics CorporationIn Stock: 1274ISL28227FUZ-T7A Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the THS4022CDGNG4 are identified based on the following criteria:

Primary Equivalent (Manufacturer Variant): The THS4022CDGN is a direct Texas Instruments variant of the THS4022 base product number. This part maintains identical electrical specifications including slew rate (470V/µs), gain bandwidth product (350 MHz), supply voltage range (9V to 32V), and package configuration (8-HVSSOP). The THS4022CDGN differs only in product status (Obsolete) and is suitable for applications where the original THS4022CDGNG4 specifications are required.

Secondary Substitutes (Cross-Manufacturer Options): The ISL28227FUBZ-T7 and ISL28227FUZ-T7A are Renesas Electronics Corporation general purpose amplifiers with two circuits in 8-MSOP packaging. These parts share the same package footprint (8-MSOP, 0.118", 3.00mm Width) and surface mount mounting type. However, these substitutes operate with different electrical parameters: lower slew rate (3.6V/µs versus 470V/µs), lower gain bandwidth product (10 MHz versus 350 MHz), lower input bias current (1 nA versus 3 µA), and lower input offset voltage (10 µV versus 500 µV). The ISL28227 series supports an extended operating temperature range (-40°C to 125°C) and wider supply voltage range (4.5V to 40V).

Substitution logic is based on package compatibility, circuit count, and surface mount capability. Electrical performance differences must be evaluated against specific application requirements.

Parameter Comparison

Engineering Selection Recommendations

For Direct Specification Match: The THS4022CDGN is the recommended equivalent when the original THS4022CDGNG4 electrical specifications are required. This part maintains identical performance parameters including 470V/µs slew rate, 350 MHz gain bandwidth product, and 9V to 32V supply voltage range. Both parts are ROHS3 compliant and share the same 8-HVSSOP package configuration. The THS4022CDGN is currently in stock with 1105 pieces available, providing supply continuity despite the original part's discontinued status.

For Extended Temperature and Supply Range Applications: The ISL28227FUBZ-T7 and ISL28227FUZ-T7A are suitable when applications require extended operating temperature range (-40°C to 125°C) or wider supply voltage range (4.5V to 40V). These Renesas parts are currently active products with strong inventory availability (1039 and 1229 pieces respectively). Both are ROHS3 compliant and packaged in 8-MSOP format compatible with the original 8-MSOP footprint option.

Electrical Performance Considerations: Applications requiring high-speed signal processing with slew rates above 100V/µs and bandwidth above 100 MHz must use the THS4022CDGN. The ISL28227 series, with 3.6V/µs slew rate and 10 MHz bandwidth, is suitable for general purpose amplification, precision instrumentation, and low-frequency signal conditioning where high-speed performance is not required.

Compliance and Certification: All substitute parts maintain ROHS3 compliance and EAR99 export classification. The THS4022CDGN retains MSL Level 1 (Unlimited moisture sensitivity), while ISL28227 variants require MSL Level 3 handling (168 hours maximum exposure). Packaging format differs: THS4022CDGN uses 8-HVSSOP, while ISL28227 variants use standard 8-MSOP without exposed pad.

Frequently Asked Questions (FAQ)

Q: Can the ISL28227FUBZ-T7 directly replace the THS4022CDGNG4 in existing designs?

A: The ISL28227FUBZ-T7 shares the same 8-MSOP package footprint and surface mount mounting type. However, electrical performance differs significantly. The ISL28227 operates at 3.6V/µs slew rate and 10 MHz bandwidth compared to the THS4022's 470V/µs and 350 MHz. Direct substitution is only valid for applications where these lower performance specifications are acceptable. Circuit redesign or performance verification is required for high-speed applications.

Q: What is the difference between THS4022CDGNG4 and THS4022CDGN?

A: Both parts are Texas Instruments voltage feedback amplifiers with identical electrical specifications. The primary differences are product status (THS4022CDGNG4 is discontinued; THS4022CDGN is obsolete) and inventory availability. The THS4022CDGN is the direct equivalent and recommended substitute when original specifications must be maintained.

Q: Are there package compatibility issues between the THS4022 and ISL28227 series?

A: Both part families use 8-pin surface mount packages with 0.118" (3.00mm) width. The THS4022CDGNG4 uses 8-HVSSOP with exposed pad, while ISL28227 variants use standard 8-MSOP without exposed pad. PCB layout modifications may be required if thermal management through the exposed pad is critical to the original design.

Q: What moisture sensitivity level differences exist between substitute parts?

A: The THS4022CDGNG4 and THS4022CDGN both have MSL Level 1 (Unlimited), requiring no special moisture handling. The ISL28227FUBZ-T7 and ISL28227FUZ-T7A have MSL Level 3 (168 hours maximum), requiring controlled storage and handling procedures. Manufacturing environments must implement appropriate moisture control measures when using ISL28227 variants.

Q: Which substitute part is recommended for new designs?

A: For new designs requiring high-speed voltage feedback amplification, the THS4022CDGN is recommended as it maintains the original performance specifications. For general purpose applications where extended temperature range and lower power consumption are beneficial, the ISL28227FUZ-T7A is recommended due to its active product status and wider operating temperature range (-40°C to 125°C).

Q: What are the supply voltage range differences?

A: The THS4022CDGNG4 and THS4022CDGN operate from 9V to 32V. The ISL28227 series operates from 4.5V to 40V, providing greater flexibility for low-voltage and high-voltage applications. Designs operating below 9V or above 32V must use ISL28227 variants.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. The THS4022CDGNG4, THS4022CDGN, ISL28227FUBZ-T7, and ISL28227FUZ-T7A are all ROHS3 compliant. All parts are REACH unaffected and classified as EAR99 for export purposes.