THS4062CDG4 Equivalent & Substitute Parts

Part Overview

The THS4062CDG4 is a voltage feedback amplifier integrated circuit manufactured by Texas Instruments, configured as a dual-channel operational amplifier in an 8-SOIC surface mount package. This device is classified as obsolete, which necessitates identification of active equivalent and substitute components for ongoing design support and procurement.

The THS4062CDG4 delivers high-speed amplification with a slew rate of 400V/µs and -3dB bandwidth of 180 MHz, suitable for applications requiring fast signal processing in compact form factors. The obsolete status of this component requires engineers to evaluate functionally compatible alternatives that maintain electrical and mechanical compatibility with existing designs.

Key Parameters

Parameter	Value	Unit
Amplifier Type	Voltage Feedback	—
Number of Circuits	2	—
Slew Rate	400	V/µs
-3dB Bandwidth	180	MHz
Current - Input Bias	3	µA
Voltage - Input Offset	2.5	mV
Current - Supply (x2 Channels)	7.8	mA
Current - Output / Channel	115	mA
Voltage - Supply Span (Min)	9	V
Voltage - Supply Span (Max)	32	V
Operating Temperature	0 to 70	°C
Package / Case	8-SOIC (0.154", 3.90mm Width)	—
Mounting Type	Surface Mount	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution of the THS4062CDG4 is determined by strict alignment of electrical and mechanical parameters within the voltage feedback amplifier category. The following criteria establish substitution validity:

Primary Substitution Criteria:

Amplifier Type: Voltage Feedback
Number of Circuits: 2
Package / Case: 8-SOIC (0.154", 3.90mm Width)
Mounting Type: Surface Mount
Slew Rate: ≥ 400V/µs (or lower if application permits)
-3dB Bandwidth: ≥ 180 MHz (or lower if application permits)
Voltage - Supply Span: Minimum ≥ 9V, Maximum ≥ 32V
Current - Output / Channel: ≥ 115 mA (or lower if application permits)

Direct Equivalent (Identical Electrical Specifications): THS4062CD represents the active production equivalent of THS4062CDG4, with identical electrical parameters and packaging. This part differs only in product status (Active vs. Obsolete) and packaging format (Tube vs. unspecified).

Functional Substitutes (Voltage Feedback, Dual-Channel, 8-SOIC): Parts meeting the core substitution criteria but with variations in secondary parameters are classified as functional substitutes. These include AD826ARZ, AD826ARZ-REEL, AD826ARZ-REEL7, AD828ARZ, AD828ARZ-REEL7, ISL55002IBZ, ISL55002IBZ-T13, and ISL55002IBZ-T7.

Non-Substitutes (Different Amplifier Architecture): ADTL082ARZ-REEL7 employs J-FET amplifier architecture rather than voltage feedback topology and is not a direct substitute despite identical packaging.

Parameter Comparison

Parameter	THS4062CDG4	THS4062CD	AD826ARZ	AD826ARZ-REEL7	AD828ARZ	AD828ARZ-REEL7	ISL55002IBZ	ISL55002IBZ-T13	ISL55002IBZ-T7
Amplifier Type	Voltage Feedback	Voltage Feedback	Voltage Feedback	Voltage Feedback	Voltage Feedback	Voltage Feedback	Voltage Feedback	Voltage Feedback	Voltage Feedback
Number of Circuits	2	2	2	2	2	2	2	2	2
Slew Rate (V/µs)	400	400	350	350	450	450	300	300	300
-3dB Bandwidth (MHz)	180	180	50	50	130	130	200	200	200
Current - Input Bias (µA)	3	3	3.3	3.3	—	—	0.0006	0.0006	0.0006
Voltage - Input Offset (mV)	2.5	2.5	0.5	0.5	—	—	1.2	1.2	1.2
Current - Supply (mA)	7.8	7.8	6.6	6.6	14	14	8.5	8.5	8.5
Current - Output / Channel (mA)	115	115	50	50	50	50	140	140	140
Voltage - Supply Span Min (V)	9	9	5	5	5	5	4.5	4.5	4.5
Voltage - Supply Span Max (V)	32	32	36	36	36	36	30	30	30
Operating Temperature (°C)	0 to 70	0 to 70	-40 to 85	-40 to 85	—	—	-40 to 85	-40 to 85	-40 to 85
Package / Case	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC
Product Status	Obsolete	Active	Active	Active	Active	Active	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	—	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	—	3 (168 Hours)	3 (168 Hours)

Engineering Selection Recommendations

Tier 1: Direct Equivalent

THS4062CD is the recommended primary substitute for THS4062CDG4. This part maintains identical electrical specifications across all measured parameters and operates under Active product status, ensuring long-term availability and supply chain stability. Both components are ROHS3 compliant with MSL 1 rating, indicating equivalent environmental handling requirements. Selection of THS4062CD eliminates design re-qualification requirements.

Tier 2: High-Performance Functional Substitutes

ISL55002IBZ, ISL55002IBZ-T13, and ISL55002IBZ-T7 provide enhanced performance characteristics suitable for applications where the THS4062CDG4 specifications can be exceeded. These parts deliver -3dB bandwidth of 200 MHz (exceeding the 180 MHz specification) and output current of 140 mA per channel (exceeding the 115 mA specification). All three variants maintain 8-SOIC packaging and voltage feedback topology. ISL55002IBZ-T13 and ISL55002IBZ-T7 carry ROHS3 compliance and MSL 3 rating, requiring 168-hour dry storage protocols prior to assembly.

Tier 3: Reduced-Performance Functional Substitutes

AD826ARZ, AD826ARZ-REEL, and AD826ARZ-REEL7 operate within the 8-SOIC voltage feedback amplifier category but deliver reduced -3dB bandwidth (50 MHz versus 180 MHz) and output current (50 mA per channel versus 115 mA). These parts are suitable only for applications where bandwidth and output current requirements are substantially lower than the original specification. All three variants are ROHS3 compliant with MSL 1 rating and support extended operating temperature range (-40°C to 85°C).

Tier 4: Video Amplifier Substitutes

AD828ARZ and AD828ARZ-REEL7 are video amplifier variants with -3dB bandwidth of 130 MHz and slew rate of 450V/µs. These parts fall between Tier 2 and Tier 3 in performance hierarchy. Output current specification is 50 mA per channel, limiting suitability for high-current applications. Both variants are ROHS3 compliant with MSL 1 rating.

Packaging and Availability Considerations

Substitute parts are available in multiple packaging formats: Tube (standard), Cut Tape (CT) & Digi-Reel®, and Tape & Reel (TR). Selection should align with procurement and assembly workflow requirements. Current inventory levels vary significantly across substitute options, with AD828ARZ-REEL7 and ADTL082ARZ-REEL7 maintaining highest stock levels (16,450 and 22,215 units respectively).

Frequently Asked Questions (FAQ)

Q1: Can AD826ARZ directly replace THS4062CDG4 in existing designs?

AD826ARZ is mechanically compatible (8-SOIC package) and functionally classified as a voltage feedback dual-channel amplifier. However, electrical performance differs significantly: -3dB bandwidth is 50 MHz versus 180 MHz, and output current per channel is 50 mA versus 115 mA. Direct substitution is valid only if the application operates within these reduced specifications. Design re-qualification is required to confirm performance adequacy.

Q2: What is the difference between AD826ARZ, AD826ARZ-REEL, and AD826ARZ-REEL7?

These three part numbers represent identical electrical specifications with different packaging formats. AD826ARZ is supplied in Tube packaging. AD826ARZ-REEL and AD826ARZ-REEL7 are supplied in Cut Tape (CT) & Digi-Reel® format, with the "-REEL7" suffix indicating a specific reel configuration. Selection depends on assembly equipment compatibility and procurement preferences. Electrical performance is identical across all three variants.

Q3: Why is ISL55002IBZ-T13 classified differently from ISL55002IBZ-T7?

Both parts are electrically identical with -3dB bandwidth of 200 MHz and output current of 140 mA per channel. The difference lies in packaging format: ISL55002IBZ-T13 and ISL55002IBZ-T7 are both supplied in Tape & Reel (TR) format with different reel configurations designated by the numeric suffix. Moisture Sensitivity Level is 3 (168 Hours) for both variants, requiring controlled storage conditions prior to assembly.

Q4: Is ADTL082ARZ-REEL7 a suitable substitute for THS4062CDG4?

No. Although ADTL082ARZ-REEL7 shares the 8-SOIC package and dual-channel configuration, it employs J-FET amplifier architecture rather than voltage feedback topology. This fundamental architectural difference precludes direct substitution. The J-FET design delivers significantly different electrical characteristics: slew rate of 20V/µs (versus 400V/µs), gain bandwidth product of 5 MHz (versus 180 MHz), and input bias current of 2 pA (versus 3 µA). Selection of ADTL082ARZ-REEL7 requires complete design re-qualification.

Q5: What are the supply voltage compatibility ranges for substitute parts?

THS4062CDG4 operates with supply voltage span of 9V to 32V. Substitute parts exhibit varying ranges: AD826ARZ series supports 5V to 36V, AD828ARZ series supports 5V to 36V (single/dual ±), and ISL55002IBZ series supports 4.5V to 30V. All substitutes accommodate the original 9V to 32V operating window. However, designs utilizing supply voltages below 9V or above 30V require careful evaluation of substitute part compatibility.

Q6: How do moisture sensitivity levels affect component handling?

THS4062CDG4 and most substitute parts carry MSL 1 rating, indicating unlimited shelf life without moisture control requirements. ISL55002IBZ-T13 and ISL55002IBZ-T7 carry MSL 3 rating, requiring 168-hour dry storage protocols prior to assembly. MSL 3 components must be stored in moisture-barrier packaging with desiccant and removed from packaging only immediately before assembly. Failure to observe MSL 3 protocols may result in solder joint failures and reduced product reliability.

Q7: Which substitute offers the best performance upgrade?

ISL55002IBZ series (all three variants) delivers the highest performance upgrade with -3dB bandwidth of 200 MHz (exceeding original 180 MHz specification by 11%) and output current of 140 mA per channel (exceeding original 115 mA specification by 22%). These parts are suitable for applications requiring enhanced signal processing speed and output drive capability. Trade-off consideration: ISL55002IBZ-T13 and ISL55002IBZ-T7 require MSL 3 handling protocols.

Q8: Are all substitute parts ROHS3 compliant?

THS4062CD, AD826ARZ series, AD828ARZ series, and ISL55002IBZ-T13 and ISL55002IBZ-T7 are explicitly ROHS3 compliant. ISL55002IBZ RoHS status is not specified in available documentation. ADTL082ARZ-REEL7 is ROHS3 compliant. Designs subject to ROHS3 compliance requirements should confirm substitute part certification prior to procurement.

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