THS4022ID Equivalent & Substitute Parts

Part Overview

The THS4022ID 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 Last Time Buy, indicating discontinued production with limited inventory availability. The THS4022ID delivers high-speed amplification with a 350 MHz gain bandwidth product and 470 V/µs slew rate, suitable for applications requiring wideband signal conditioning and high-frequency amplification. Equivalent and substitute parts are necessary due to product discontinuation and to provide alternative sourcing options with comparable or enhanced electrical performance characteristics.

Key Parameters

Parameter	Value	Unit
Amplifier Type	Voltage Feedback	—
Number of Circuits	2	—
Gain Bandwidth Product	350	MHz
-3dB Bandwidth	350	MHz
Slew Rate	470	V/µs
Current - Input Bias	3	µA
Voltage - Input Offset	500	µV
Current - Supply (per Channel)	7.8	mA
Current - Output per Channel	100	mA
Voltage - Supply Span (Min)	9	V
Voltage - Supply Span (Max)	32	V
Operating Temperature Range	-40 to 85	°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

Substitute parts for the THS4022ID are classified into two functional groups based on electrical parameter compatibility:

Group 1: Direct Electrical Equivalents (Same Package, Identical Core Specifications)

Parts in this group maintain identical or near-identical electrical performance within the THS4022ID parameter envelope. These include the THS4022CDGNR (Texas Instruments, alternative packaging), AD826ARZ, AD826ARZ-REEL, and AD826ARZ-REEL7 (Analog Devices Inc.). All Group 1 substitutes feature dual voltage feedback amplifier topology, 2-circuit configuration, 8-SOIC package footprint, and operate across the -40°C to 85°C temperature range. The critical substitution parameters are: dual-channel voltage feedback amplifier architecture, 8-SOIC surface mount package, supply voltage range compatibility (9V to 32V minimum/maximum), and industrial temperature rating.

Group 2: Performance-Enhanced Alternatives (Same Package, Extended Bandwidth)

Parts in this group provide higher bandwidth performance while maintaining package and pinout compatibility. These include AD828ARZ and AD828ARZ-REEL7 (Analog Devices Inc.), and ISL55002IBZ-T13 and ISL55002IBZ-T7 (Renesas Electronics Corporation). Group 2 substitutes deliver -3dB bandwidth of 130 MHz to 200 MHz compared to the THS4022ID baseline of 350 MHz, with comparable slew rates and output current capabilities. These alternatives are suitable for applications where the THS4022ID's 350 MHz specification exceeds system requirements, offering cost or availability advantages.

Substitution logic is based strictly on: (1) dual-channel voltage feedback amplifier topology, (2) 8-SOIC surface mount package compatibility, (3) supply voltage range overlap, (4) output current capability (minimum 50 mA per channel), and (5) industrial temperature range support (-40°C to 85°C).

Parameter Comparison

Part Number	Manufacturer	Amplifier Type	Circuits	GBW (MHz)	-3dB BW (MHz)	Slew Rate (V/µs)	Input Bias (µA)	Input Offset (µV)	Supply Current (mA)	Output Current (mA)	Supply Min (V)	Supply Max (V)	Temp Range (°C)	Package	Status
THS4022ID	Texas Instruments	Voltage Feedback	2	350	350	470	3	500	7.8	100	9	32	-40 to 85	8-SOIC	Last Time Buy
THS4022CDGNR	Texas Instruments	Voltage Feedback	2	350	350	470	3	500	7.8	100	9	32	0 to 70	8-HVSSOP	Obsolete
AD826ARZ	Analog Devices Inc.	Voltage Feedback	2	50	50	350	3.3	500	6.6	50	5	36	-40 to 85	8-SOIC	Active
AD826ARZ-REEL	Analog Devices Inc.	Voltage Feedback	2	50	50	350	3.3	500	6.6	50	5	36	-40 to 85	8-SOIC	Active
AD826ARZ-REEL7	Analog Devices Inc.	Voltage Feedback	2	50	50	350	3.3	500	6.6	50	5	36	-40 to 85	8-SOIC	Active
AD828ARZ	Analog Devices Inc.	Voltage Feedback	2	—	130	450	—	—	14	50	5	36	-40 to 85	8-SOIC	Active
AD828ARZ-REEL7	Analog Devices Inc.	Voltage Feedback	2	—	130	450	—	—	14	50	5	36	-40 to 85	8-SOIC	Active
ISL55002IBZ-T13	Renesas Electronics Corporation	Voltage Feedback	2	70	200	300	0.6	1200	8.5	140	4.5	30	-40 to 85	8-SOIC	Active
ISL55002IBZ-T7	Renesas Electronics Corporation	Voltage Feedback	2	70	200	300	0.6	1200	8.5	140	4.5	30	-40 to 85	8-SOIC	Active

Engineering Selection Recommendations

For Direct Replacement (Identical Electrical Performance)

The AD826ARZ, AD826ARZ-REEL, and AD826ARZ-REEL7 from Analog Devices Inc. are active production parts suitable for direct substitution in applications where the THS4022ID's 350 MHz bandwidth is required. These parts maintain the same 8-SOIC package footprint, dual-channel voltage feedback topology, and industrial temperature range (-40°C to 85°C). All three variants are ROHS3 compliant with MSL 1 rating. The primary difference is packaging format: AD826ARZ is supplied in tube packaging, while AD826ARZ-REEL and AD826ARZ-REEL7 are supplied on cut tape and digi-reel. Selection between these variants depends on procurement and assembly requirements. Inventory availability is substantial (12,600 pcs for AD826ARZ, 2,640 pcs for AD826ARZ-REEL, and 5,686 pcs for AD826ARZ-REEL7).

For Enhanced Performance Applications

The AD828ARZ and AD828ARZ-REEL7 from Analog Devices Inc. provide -3dB bandwidth of 130 MHz with 450 V/µs slew rate. These parts are suitable for video amplification and high-speed signal conditioning applications. Both are active production parts with ROHS3 compliance and MSL 1 rating. The AD828ARZ-REEL7 offers superior inventory availability (16,450 pcs) compared to AD828ARZ (1,633 pcs).

For Cost-Optimized Designs

The ISL55002IBZ-T13 and ISL55002IBZ-T7 from Renesas Electronics Corporation deliver -3dB bandwidth of 200 MHz with 300 V/µs slew rate and higher output current capability (140 mA per channel). These parts are active production items with ROHS3 compliance. ISL55002IBZ-T7 provides higher inventory availability (1,415 pcs) compared to ISL55002IBZ-T13 (1,056 pcs). Both variants are supplied on tape and reel with MSL 3 rating (168 hours).

Compliance and Regulatory Status

All recommended substitute parts maintain ROHS3 compliance and REACH unaffected status, consistent with the THS4022ID. ECCN classification is EAR99 for all parts. Moisture sensitivity levels range from MSL 1 (unlimited) for Analog Devices parts to MSL 3 (168 hours) for Renesas parts, requiring appropriate handling during storage and assembly.

Frequently Asked Questions (FAQ)

Q1: Can the AD826ARZ directly replace the THS4022ID in existing PCB designs?

A: Yes, the AD826ARZ is pin-compatible and maintains the same 8-SOIC package footprint as the THS4022ID. Both devices feature dual-channel voltage feedback amplifier topology and operate across overlapping supply voltage ranges (THS4022ID: 9V to 32V; AD826ARZ: 5V to 36V). The AD826ARZ is suitable for applications where the THS4022ID's 350 MHz bandwidth specification is required. Verify that your circuit design accommodates the AD826ARZ's lower output current per channel (50 mA versus 100 mA for THS4022ID) if output drive capability is critical.

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

A: These three part numbers represent the same electrical device with different packaging and delivery formats. AD826ARZ is supplied in tube packaging for manual assembly or small-volume production. AD826ARZ-REEL and AD826ARZ-REEL7 are supplied on cut tape and digi-reel for automated pick-and-place assembly. The selection depends on your manufacturing process and volume requirements. All three variants are electrically identical and ROHS3 compliant.

Q3: Why does the THS4022CDGNR show an obsolete status despite being a Texas Instruments part?

A: The THS4022CDGNR is the same device as THS4022ID but in an 8-HVSSOP package variant instead of 8-SOIC. This part is classified as obsolete, indicating end-of-life status. The THS4022CDGNR also has a narrower operating temperature range (0°C to 70°C versus -40°C to 85°C for THS4022ID), making it unsuitable for industrial applications requiring extended temperature performance. Active production alternatives from Analog Devices Inc. are recommended.

Q4: Can I use the ISL55002IBZ-T13 or ISL55002IBZ-T7 as a substitute if my application does not require 350 MHz bandwidth?

A: Yes, the ISL55002IBZ-T13 and ISL55002IBZ-T7 are suitable substitutes for applications where -3dB bandwidth of 200 MHz is sufficient. These parts offer higher output current capability (140 mA per channel versus 100 mA for THS4022ID) and are active production items with strong inventory availability. The primary trade-off is lower slew rate (300 V/µs versus 470 V/µs for THS4022ID). Verify that your circuit design accommodates the ISL55002IBZ's lower input bias current (600 nA versus 3 µA for THS4022ID) and higher input offset voltage (1.2 mV versus 500 µV for THS4022ID) if precision is critical.

Q5: What are the moisture sensitivity implications for long-term storage?

A: Analog Devices parts (AD826ARZ series, AD828ARZ series) carry MSL 1 rating, indicating unlimited shelf life without moisture absorption concerns. Renesas parts (ISL55002IBZ-T13, ISL55002IBZ-T7) carry MSL 3 rating, requiring storage in controlled humidity environments (less than 30% relative humidity) or in moisture barrier bags with desiccant. MSL 3 parts must be baked at 125°C for 24 hours if exposed to humidity exceeding 60% relative humidity for more than 168 cumulative hours before assembly.

Q6: Are all substitute parts available in the same 8-SOIC package?

A: Yes, all recommended substitute parts are available in 8-SOIC surface mount package with 0.154" (3.90mm) width, ensuring PCB footprint compatibility with the THS4022ID. The THS4022CDGNR variant uses an 8-HVSSOP package, which has different pin spacing and is not recommended for direct PCB substitution without layout redesign.

Q7: What supply voltage range should I verify when substituting parts?

A: The THS4022ID operates from 9V to 32V supply span. The AD826ARZ series operates from 5V to 36V, providing broader compatibility. The ISL55002IBZ series operates from 4.5V to 30V. Verify that your power supply design falls within the substitute part's specified range. If your circuit uses the THS4022ID's minimum 9V supply, all recommended substitutes will operate correctly. If your circuit uses supply voltages below 5V, only the THS4022ID is suitable.

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