SE5532AD8G Equivalent & Substitute Parts

Part Overview

The SE5532AD8G is a general-purpose operational amplifier manufactured by onsemi, configured as a dual-channel (2 circuit) device in an 8-SOIC surface-mount package. This part is classified as obsolete, which necessitates identification of functionally equivalent alternatives for ongoing design support and procurement continuity. The SE5532AD8G operates across a wide supply voltage range (6V to 40V) and is suitable for audio and general signal processing applications requiring moderate bandwidth and slew rate performance.

Key Parameters

Parameter	Value	Unit
Amplifier Type	General Purpose	—
Number of Circuits	2	—
Slew Rate	9	V/µs
Gain Bandwidth Product	10	MHz
Current - Input Bias	300	nA
Voltage - Input Offset	500	µV
Current - Supply	8	mA
Current - Output / Channel	38	mA
Voltage - Supply Span (Min)	6	V
Voltage - Supply Span (Max)	40	V
Operating Temperature	-55 to 125	°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 SE5532AD8G is determined by strict alignment of electrical and mechanical parameters. The critical substitution criteria are:

Mandatory Matching Parameters:

Number of circuits: 2 channels
Package type: 8-SOIC surface-mount configuration
Supply voltage range compatibility: Substitute minimum supply voltage must not exceed the original 6V minimum; substitute maximum supply voltage must accommodate the original 40V maximum
Operating temperature range: Substitute must cover or exceed the original -55°C to 125°C range
Slew rate and gain-bandwidth product: Substitute values must meet or exceed the original specifications (9V/µs slew rate, 10 MHz GBW)
Output current per channel: Substitute must deliver at least 38 mA per channel

Compliance Requirements:

RoHS3 compliance required
MSL rating of 1 (Unlimited) preferred for manufacturing flexibility

Substitute parts are grouped into two categories: Direct Electrical Equivalents (matching amplifier type and core specifications) and Enhanced Performance Alternatives (superior electrical characteristics while maintaining package and pin compatibility).

Parameter Comparison

Parameter	SE5532AD8G	NE5532ADR	NE5532AD	MC33078YDT	LME49723MAX/NOPB	LM4565FJ-GE2	AD746JRZ
Manufacturer	onsemi	Texas Instruments	Texas Instruments	STMicroelectronics	Texas Instruments	Rohm Semiconductor	Analog Devices Inc.
Amplifier Type	General Purpose	General Purpose	General Purpose	General Purpose	Audio	General Purpose	J-FET
Number of Circuits	2	2	2	2	2	2	2
Slew Rate (V/µs)	9	9	9	7	8	5	75
Gain Bandwidth Product (MHz)	10	10	10	15	19	10	13
Current - Input Bias (nA)	300	200	200	250	200	70	110 (pA)
Voltage - Input Offset (µV)	500	500	500	150	300	500	300
Current - Supply (mA)	8	8	8	4	6.7	4.5	7
Current - Output / Channel (mA)	38	38	38	37	25	160	25
Voltage - Supply Span Min (V)	6	10	10	5	5	4	9
Voltage - Supply Span Max (V)	40	30	30	30	34	36	36
Operating Temperature (°C)	-55 to 125	0 to 70	0 to 70	-40 to 105	-40 to 85	-40 to 85	0 to 70
Package / Case	8-SOIC (0.154", 3.90mm)	8-SOIC (0.154", 3.90mm)	8-SOIC (0.154", 3.90mm)	8-SOIC (0.154", 3.90mm)	8-SOIC (0.154", 3.90mm)	8-SOIC (0.154", 3.90mm)	8-SOIC (0.154", 3.90mm)
Product Status	Obsolete	Active	Last Time Buy	Active	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

Primary Substitute: NE5532ADR

The NE5532ADR (Texas Instruments, Active status) is the direct electrical equivalent of the SE5532AD8G. Both devices share identical electrical specifications: 9V/µs slew rate, 10 MHz gain-bandwidth product, 38 mA output current per channel, and 500 µV input offset voltage. The NE5532ADR is available in active production status with high inventory availability (103,700 units in stock). Both parts are ROHS3 compliant and carry MSL rating 1. The primary limitation is the NE5532ADR's reduced supply voltage range (10V to 30V maximum) compared to the SE5532AD8G (6V to 40V maximum). This substitute is suitable for applications operating within the 10V to 30V supply range.

Secondary Substitute: MC33078YDT

The MC33078YDT (STMicroelectronics, Active status) offers enhanced performance characteristics while maintaining 8-SOIC package compatibility. This device provides superior input offset voltage (150 µV versus 500 µV), higher gain-bandwidth product (15 MHz versus 10 MHz), and lower supply current (4 mA versus 8 mA). The MC33078YDT operates across 5V to 30V supply range and includes automotive-grade qualification (AEC-Q100). Operating temperature range extends to -40°C to 105°C. Output current per channel (37 mA) meets the original specification. This substitute is appropriate for applications requiring improved precision and automotive-grade reliability.

Tertiary Substitute: LME49723MAX/NOPB

The LME49723MAX/NOPB (Texas Instruments, Active status) is an audio-optimized amplifier with enhanced bandwidth (19 MHz gain-bandwidth product) and lower input bias current (200 nA). This device operates across 5V to 34V supply range and maintains 8-SOIC package compatibility. The LME49723MAX/NOPB is suitable for audio signal processing applications where superior frequency response and lower noise characteristics are beneficial. Output current per channel (25 mA) is reduced compared to the original specification.

Alternative for Extended Temperature Range: MC33078YDT

For applications requiring extended operating temperature coverage beyond the original -55°C to 125°C specification, the MC33078YDT provides -40°C to 105°C operation with automotive qualification, representing the closest available alternative within the substitute set.

Not Recommended: AD746JRZ

The AD746JRZ (Analog Devices Inc., Active status) employs J-FET input architecture, which differs fundamentally from the original bipolar input design. While this device offers superior slew rate (75V/µs) and extremely low input bias current (110 pA), the J-FET topology introduces different input impedance characteristics and operating behavior. Additionally, the AD746JRZ operates only across 9V to 36V supply range and 0°C to 70°C temperature range, which does not accommodate the original -55°C to 125°C specification. This substitute is not recommended for direct replacement without circuit re-evaluation.

Not Recommended: LM4565FJ-GE2

The LM4565FJ-GE2 (Rohm Semiconductor, Active status) provides significantly higher output current per channel (160 mA) but operates at reduced slew rate (5V/µs) and lower supply current (4.5 mA). The reduced slew rate may limit performance in applications requiring fast transient response. Operating temperature range (-40°C to 85°C) does not extend to the original -55°C minimum specification.

Frequently Asked Questions (FAQ)

Q: Can the NE5532ADR directly replace the SE5532AD8G in all applications?

A: The NE5532ADR is electrically equivalent for applications operating within the 10V to 30V supply voltage range. The original SE5532AD8G supports 6V to 40V operation. If your circuit operates outside the 10V to 30V window, the NE5532ADR is not suitable. Verify your actual supply voltage requirements before substitution.

Q: What is the primary difference between the SE5532AD8G and NE5532ADR?

A: Both devices are general-purpose dual operational amplifiers with identical electrical performance (9V/µs slew rate, 10 MHz bandwidth, 38 mA output current). The key difference is supply voltage range: SE5532AD8G operates 6V to 40V, while NE5532ADR operates 10V to 30V. The NE5532ADR is in active production status, whereas the SE5532AD8G is obsolete.

Q: Is the MC33078YDT a suitable replacement for audio applications?

A: The MC33078YDT is a general-purpose amplifier with superior input offset voltage (150 µV) and higher bandwidth (15 MHz) compared to the SE5532AD8G. While suitable for audio applications, it is not specifically optimized for audio like the LME49723MAX/NOPB. The MC33078YDT is appropriate for general-purpose audio signal processing where precision and low offset voltage are beneficial.

Q: Why is the AD746JRZ not recommended as a direct substitute?

A: The AD746JRZ uses J-FET input architecture, which fundamentally differs from the bipolar input design of the SE5532AD8G. J-FET inputs exhibit different input impedance, bias current behavior, and frequency response characteristics. Additionally, the AD746JRZ does not support the original -55°C to 125°C operating temperature range. Circuit re-evaluation is required if this device is considered.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All substitute parts listed in this reference are ROHS3 compliant and carry MSL rating 1 (Unlimited), matching the original SE5532AD8G compliance status.

Q: What is the package compatibility between the SE5532AD8G and substitute parts?

A: All substitute parts are configured in 8-SOIC surface-mount packages with 0.154" (3.90mm) width, matching the original SE5532AD8G package. Pin-to-pin compatibility is maintained across all listed substitutes, allowing direct PCB footprint compatibility.

Q: Which substitute offers the best performance improvement?

A: The LME49723MAX/NOPB provides the highest gain-bandwidth product (19 MHz) and is optimized for audio applications. The MC33078YDT offers the lowest input offset voltage (150 µV) and includes automotive-grade qualification. Selection depends on application requirements: audio optimization versus precision and automotive reliability.

Q: Can I use the LM4565FJ-GE2 in high-current output applications?

A: The LM4565FJ-GE2 provides 160 mA output current per channel, significantly exceeding the original 38 mA specification. However, this device operates at reduced slew rate (5V/µs versus 9V/µs) and lower supply current (4.5 mA versus 8 mA). Use this substitute only if your application requires high output current and can tolerate reduced slew rate performance.

Q: What is the inventory status of substitute parts?

A: NE5532ADR has the highest inventory availability (103,700 units in stock). LME49723MAX/NOPB has 6,435 units in stock. MC33078YDT has 7,800 units in stock. All listed substitutes are available in active production or last-time-buy status, ensuring procurement continuity.

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