THS4032CD Equivalent & Substitute Parts

Part Overview

The THS4032CD 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, though 2236 units remain in stock as new original inventory. The THS4032CD operates across a supply voltage range of 9V to 32V with a slew rate of 100V/µs and gain bandwidth product of 120 MHz, making it suitable for general-purpose analog signal conditioning and amplification applications.

Due to its obsolete product status, identifying equivalent and substitute parts is necessary for design continuity, long-term availability assurance, and potential performance optimization in new production runs or redesigns. Substitute parts are selected based on matching electrical characteristics, package compatibility, and functional equivalence within the voltage feedback amplifier category.

Key Parameters

Parameter	THS4032CD Value	Unit
Amplifier Type	Voltage Feedback	—
Number of Circuits	2	Channels
Slew Rate	100	V/µs
Gain Bandwidth Product	120	MHz
-3dB Bandwidth	100	MHz
Current - Input Bias	3	µA
Voltage - Input Offset	500	µV
Current - Supply (per Channel)	8.5	mA
Current - Output per Channel	90	mA
Voltage - Supply Span (Min)	9	V
Voltage - Supply Span (Max)	32	V
Operating Temperature Range	0 to 70	°C
Package / Case	8-SOIC (0.154", 3.90mm Width)	—
Mounting Type	Surface Mount	—
Product Status	Obsolete	—
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitute parts for the THS4032CD are selected based on the following critical parameters that determine functional equivalence:

Primary Matching Criteria:

Amplifier Type: Voltage Feedback
Number of Circuits: 2 (dual-channel configuration)
Package / Case: 8-SOIC surface mount
Mounting Type: Surface Mount
Electrical compatibility within supply voltage and output current specifications

Secondary Compatibility Factors:

Slew Rate: Minimum 100V/µs (higher values acceptable for drop-in replacement)
Gain Bandwidth Product: Minimum 120 MHz (higher values acceptable)
-3dB Bandwidth: Minimum 100 MHz (higher values acceptable)
Input Bias Current: Maximum 3.3 µA (lower values acceptable)
Input Offset Voltage: Maximum 500 µV (lower values acceptable)
Supply Current: Maximum 8.5 mA per channel (lower values acceptable)
Output Current per Channel: Minimum 90 mA (higher values acceptable)
Supply Voltage Range: Must encompass or exceed 9V to 32V span

Substitutes are grouped into two categories: direct replacements from Texas Instruments (THS4032IDR) and cross-manufacturer alternatives from Analog Devices Inc. (AD826 series, AD828 series) and Renesas Electronics Corporation (ISL55002 series). All substitute parts maintain the 8-SOIC package format and surface mount configuration, ensuring mechanical and electrical compatibility with existing PCB layouts.

Parameter Comparison

Parameter	THS4032CD	THS4032IDR	AD826ARZ	AD826ARZ-REEL	AD826ARZ-REEL7	AD828ARZ	AD828ARZ-REEL7	ISL55002IBZ	ISL55002IBZ-T13	ISL55002IBZ-T7
Manufacturer	Texas Instruments	Texas Instruments	Analog Devices Inc.	Analog Devices Inc.	Analog Devices Inc.	Analog Devices Inc.	Analog Devices Inc.	Intersil	Renesas Electronics	Renesas Electronics
Amplifier Type	Voltage Feedback	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	2
Slew Rate (V/µs)	100	100	350	350	350	450	450	300	300	300
Gain Bandwidth Product (MHz)	120	120	50	50	50	—	—	70	70	70
-3dB Bandwidth (MHz)	100	100	50	50	50	130	130	200	200	200
Current - Input Bias (µA)	3	3	3.3	3.3	3.3	—	—	0.0006	0.0006	0.0006
Voltage - Input Offset (µV)	500	500	500	500	500	—	—	1200	1200	1200
Current - Supply per Channel (mA)	8.5	8.5	6.6	6.6	6.6	14	14	8.5	8.5	8.5
Current - Output per Channel (mA)	90	90	50	50	50	50	50	140	140	140
Voltage - Supply Span Min (V)	9	9	5	5	5	5	5	4.5	4.5	4.5
Voltage - Supply Span Max (V)	32	32	36	36	36	36	36	30	30	30
Operating Temperature Range (°C)	0 to 70	-40 to 85	-40 to 85	-40 to 85	-40 to 85	-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	8-SOIC
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Product Status	Obsolete	Active	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	ROHS3 Compliant

Engineering Selection Recommendations

Primary Recommendation: THS4032IDR

The THS4032IDR is the direct manufacturer-recommended successor to the THS4032CD from Texas Instruments. This part maintains identical electrical specifications (100V/µs slew rate, 120 MHz gain bandwidth product, 100 MHz -3dB bandwidth) and supply current characteristics (8.5 mA per channel). The THS4032IDR differs only in product status (Active versus Obsolete) and operating temperature range (-40°C to 85°C versus 0°C to 70°C), providing extended temperature coverage. Both parts are ROHS3 compliant and carry identical ECCN and HTSUS classifications. The THS4032IDR is the optimal choice for direct substitution in existing designs without circuit modification.

Secondary Recommendation: AD826ARZ / AD826ARZ-REEL / AD826ARZ-REEL7

The AD826 series from Analog Devices Inc. provides functional equivalence with enhanced performance characteristics. These parts maintain the dual-channel voltage feedback configuration and 8-SOIC package format. The AD826 series offers higher slew rate (350V/µs versus 100V/µs) and extended supply voltage range (5V to 36V versus 9V to 32V). However, the AD826 series exhibits lower gain bandwidth product (50 MHz versus 120 MHz) and reduced output current per channel (50 mA versus 90 mA). These parts are suitable for applications where higher slew rate is beneficial and lower bandwidth requirements are acceptable. All variants are ROHS3 compliant and Active status.

Tertiary Recommendation: AD828ARZ / AD828ARZ-REEL7

The AD828 series represents a higher-performance alternative with enhanced bandwidth characteristics (-3dB bandwidth of 130 MHz versus 100 MHz) and higher slew rate (450V/µs). The AD828 series maintains dual-channel configuration and 8-SOIC packaging. Supply current is higher (14 mA versus 8.5 mA per channel), and output current per channel is lower (50 mA versus 90 mA). These parts are suitable for applications requiring extended bandwidth and faster transient response. Both variants are ROHS3 compliant and Active status.

Alternative Recommendation: ISL55002IBZ / ISL55002IBZ-T13 / ISL55002IBZ-T7

The ISL55002 series from Renesas Electronics Corporation (formerly Intersil) provides an alternative cross-manufacturer solution. These parts feature the highest -3dB bandwidth (200 MHz) and highest output current per channel (140 mA) among all substitutes. Input bias current is significantly lower (600 nA versus 3 µA). However, input offset voltage is higher (1.2 mV versus 500 µV), and supply voltage maximum is limited to 30V (versus 32V). The ISL55002IBZ-T13 and ISL55002IBZ-T7 variants are ROHS3 compliant with MSL rating of 3 (168 Hours). These parts are suitable for applications requiring maximum output current and bandwidth performance.

Compliance and Certification Summary:

All recommended substitutes maintain ROHS3 compliance and REACH unaffected status, matching the original THS4032CD. All parts carry identical ECCN (EAR99) and HTSUS (8542.33.0001) classifications. The THS4032IDR provides the most direct path for design continuity with identical specifications and extended temperature range. Cross-manufacturer alternatives offer performance trade-offs suitable for specific application requirements.

Frequently Asked Questions (FAQ)

Q: Can the THS4032IDR be used as a direct drop-in replacement for the THS4032CD?

A: Yes. The THS4032IDR is the manufacturer-recommended direct replacement. Both parts share identical electrical specifications, package format (8-SOIC), and mounting type (Surface Mount). The THS4032IDR provides extended operating temperature range (-40°C to 85°C versus 0°C to 70°C) and Active product status, making it suitable for direct substitution without circuit modification.

Q: What are the key differences between the THS4032CD and AD826ARZ?

A: Both parts are dual-channel voltage feedback amplifiers in 8-SOIC packages. The AD826ARZ offers higher slew rate (350V/µs versus 100V/µs) and wider supply voltage range (5V to 36V versus 9V to 32V). However, the AD826ARZ has lower gain bandwidth product (50 MHz versus 120 MHz), lower -3dB bandwidth (50 MHz versus 100 MHz), and lower output current per channel (50 mA versus 90 mA). The AD826ARZ is suitable for applications where higher slew rate is required and lower bandwidth is acceptable.

Q: Are the AD826ARZ, AD826ARZ-REEL, and AD826ARZ-REEL7 electrically identical?

A: Yes. These three part numbers represent the same device with different packaging formats. AD826ARZ is supplied in Tube packaging, while AD826ARZ-REEL and AD826ARZ-REEL7 are supplied in Cut Tape (CT) and Digi-Reel® formats. Electrical specifications, performance characteristics, and compliance ratings are identical across all three variants.

Q: What is the difference between ISL55002IBZ-T13 and ISL55002IBZ-T7?

A: Both parts are electrically and functionally identical. The suffix designations (-T13 and -T7) indicate different tape and reel configurations for automated assembly. Electrical specifications, performance characteristics, and compliance ratings are identical. Selection between these variants depends on assembly equipment compatibility and reel quantity requirements.

Q: Can I use the AD828ARZ in place of the THS4032CD without circuit changes?

A: The AD828ARZ is mechanically compatible (8-SOIC package, surface mount) and functionally equivalent as a dual-channel voltage feedback amplifier. However, the AD828ARZ has different electrical characteristics: higher slew rate (450V/µs), higher -3dB bandwidth (130 MHz), higher supply current (14 mA per channel), and lower output current per channel (50 mA). Circuit performance will differ. Use the AD828ARZ only if these performance differences are acceptable for the application.

Q: What is the significance of the MSL (Moisture Sensitivity Level) rating?

A: MSL indicates moisture sensitivity for surface mount components. The THS4032CD, THS4032IDR, and AD826 series have MSL 1 (Unlimited), meaning they have no moisture sensitivity restrictions. The ISL55002 series has MSL 3 (168 Hours), requiring storage in dry conditions and limiting the time between package opening and soldering to 168 hours. MSL 1 parts offer greater handling flexibility.

Q: Which substitute offers the best output current capability?

A: The ISL55002 series provides the highest output current per channel at 140 mA, compared to 90 mA for the THS4032CD and 50 mA for the AD826 and AD828 series. Select the ISL55002 series for applications requiring maximum output current capability.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. The THS4032IDR, AD826 series, AD828 series, and ISL55002 series are all ROHS3 compliant. The original THS4032CD is also ROHS3 compliant. All parts meet environmental compliance requirements for lead-free manufacturing.

Q: What is the minimum supply voltage for each substitute?

A: The THS4032CD requires minimum 9V. The THS4032IDR also requires minimum 9V. The AD826 and AD828 series operate at minimum 5V. The ISL55002 series operates at minimum 4.5V. For applications using supply voltages below 9V, the AD826, AD828, or ISL55002 series are required.

Q: Which substitute has the lowest input bias current?

A: The ISL55002 series has the lowest input bias current at 600 nA (0.0006 µA), compared to 3 µA for the THS4032CD and 3.3 µA for the AD826 series. Lower input bias current reduces errors in high-impedance signal conditioning applications.

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