SA5532APG4 Equivalent & Substitute Parts

Part Overview

The SA5532APG4 is a general-purpose operational amplifier manufactured by Texas Instruments, featuring dual circuits in an 8-DIP through-hole package. This device is classified as obsolete, which necessitates identification of equivalent and substitute components for ongoing production support and design continuity. The SA5532APG4 serves applications requiring low-noise, general-purpose amplification with moderate bandwidth and supply voltage flexibility.

Key Parameters

Parameter	Value
Manufacturer Part Number	SA5532APG4
Manufacturer	Texas Instruments
Category	Linear, Amplifiers
Amplifier Type	General Purpose
Number of Circuits	2
Package / Case	8-DIP (0.300", 7.62mm)
Mounting Type	Through Hole
Slew Rate	9 V/µs
Gain Bandwidth Product	10 MHz
Current - Input Bias	200 nA
Voltage - Input Offset	500 µV
Current - Supply	8 mA (x2 Channels)
Current - Output / Channel	38 mA
Voltage - Supply Span (Min)	10 V
Voltage - Supply Span (Max)	30 V
Operating Temperature	-40°C ~ 85°C (TA)
Product Status	Obsolete
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution of the SA5532APG4 is determined by the following critical parameters:

Primary Substitution Criteria:

Amplifier Type: General Purpose
Number of Circuits: 2
Package / Case: 8-DIP (0.300", 7.62mm)
Mounting Type: Through Hole
Operating Temperature Range: -40°C ~ 85°C
Voltage - Supply Span: Minimum 10 V to Maximum 30 V

Secondary Compatibility Parameters:

Slew Rate: 9 V/µs (or equivalent performance)
Gain Bandwidth Product: 10 MHz (or equivalent performance)
Current - Input Bias: 200 nA (or lower)
Voltage - Input Offset: 500 µV (or lower)
Current - Output / Channel: 38 mA (or higher)

Substitute parts are grouped into two categories:

Category A - Direct Functional Equivalents (General Purpose Amplifiers): Parts that maintain identical amplifier type, circuit count, package, and operating temperature range with comparable electrical performance specifications.

Category B - Performance-Enhanced Alternatives: Parts that exceed the SA5532APG4 specifications in bandwidth, slew rate, or output current while maintaining package compatibility and operating temperature requirements.

Parameter Comparison

Parameter	SA5532APG4	SA5532AP	BA15218	LT1229CN8#PBF	MUSES02	NJM4580D	NJM5532DD
Manufacturer	Texas Instruments	Texas Instruments	Rohm Semiconductor	Analog Devices Inc.	Nisshinbo Micro Devices	Nisshinbo Micro Devices	Nisshinbo Micro Devices
Amplifier Type	General Purpose	General Purpose	General Purpose	Current Feedback	Audio	Audio	General Purpose
Number of Circuits	2	2	2	2	2	2	2
Package / Case	8-DIP (0.300", 7.62mm)	8-DIP (0.300", 7.62mm)	8-DIP (0.300", 7.62mm)	8-DIP (0.300", 7.62mm)	8-DIP (0.300", 7.62mm)	8-DIP (0.300", 7.62mm)	8-DIP (0.300", 7.62mm)
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Slew Rate	9 V/µs	9 V/µs	3 V/µs	700 V/µs	5 V/µs	5 V/µs	8 V/µs
Gain Bandwidth Product	10 MHz	10 MHz	10 MHz	100 MHz	11 MHz	15 MHz	10 MHz
Current - Input Bias	200 nA	200 nA	50 nA	10 µA	100 nA	100 nA	200 nA
Voltage - Input Offset	500 µV	500 µV	500 µV	3 mV	300 µV	500 µV	500 µV
Current - Supply	8 mA (x2)	8 mA (x2)	5 mA	6 mA (x2)	8 mA	6 mA	9 mA
Current - Output / Channel	38 mA	38 mA	50 mA	125 mA	50 mA	50 mA	38 mA
Voltage - Supply Span (Min)	10 V	10 V	4 V	4 V	7 V	4 V	6 V
Voltage - Supply Span (Max)	30 V	30 V	32 V	30 V	32 V	36 V	44 V
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	0°C ~ 70°C	-40°C ~ 85°C	-40°C ~ 85°C	-20°C ~ 75°C
Product Status	Obsolete	Active	Active	Active	Active	Not For New Designs	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	RoHS Compliant	RoHS Compliant	RoHS Compliant

Engineering Selection Recommendations

Recommended Primary Substitute: SA5532AP

The SA5532AP is the direct successor to the SA5532APG4. Both parts are manufactured by Texas Instruments and share identical electrical specifications, including slew rate (9 V/µs), gain bandwidth product (10 MHz), input bias current (200 nA), input offset voltage (500 µV), output current (38 mA), and operating temperature range (-40°C ~ 85°C). The SA5532AP maintains the same 8-DIP package and through-hole mounting configuration. The primary distinction is product status: SA5532AP is Active, whereas SA5532APG4 is Obsolete. Both are ROHS3 Compliant. The SA5532AP is available in higher inventory quantities (4600 Pcs) and is suitable for direct replacement in all applications previously using the SA5532APG4.

Secondary Substitute: NJM5532DD

The NJM5532DD, manufactured by Nisshinbo Micro Devices Inc., provides functional equivalence as a general-purpose dual operational amplifier in 8-DIP package. Electrical parameters are closely matched: slew rate (8 V/µs versus 9 V/µs), gain bandwidth product (10 MHz), input bias current (200 nA), input offset voltage (500 µV), and output current (38 mA). The NJM5532DD supports an extended maximum supply voltage (44 V versus 30 V) and maintains the -40°C ~ 85°C operating temperature range. Product status is Active. This part is suitable for applications where the SA5532AP is unavailable, with the caveat that operating temperature range is slightly reduced (-20°C ~ 75°C minimum specification).

Alternative for Enhanced Performance: LT1229CN8#PBF

The LT1229CN8#PBF, manufactured by Analog Devices Inc., is a current feedback amplifier offering significantly enhanced performance specifications. This part provides substantially higher slew rate (700 V/µs), gain bandwidth product (100 MHz), and output current (125 mA). However, the LT1229CN8#PBF operates within a reduced temperature range (0°C ~ 70°C) and exhibits higher input offset voltage (3 mV). Selection of this part is appropriate only for applications requiring the enhanced bandwidth and slew rate performance, with confirmation that the reduced operating temperature range and higher input offset voltage are acceptable.

Not Recommended for New Designs: NJM4580D

The NJM4580D is classified as "Not For New Designs" and should not be selected for new applications, despite its availability in high inventory quantities (45300 Pcs). This classification indicates manufacturer discontinuation plans or design obsolescence.

Temperature-Constrained Alternative: LT1229CN8#PBF

The LT1229CN8#PBF operates only within 0°C ~ 70°C, which does not satisfy the full -40°C ~ 85°C requirement of the SA5532APG4. This part is suitable only for applications with restricted operating temperature requirements.

Frequently Asked Questions (FAQ)

Q1: Can SA5532AP directly replace SA5532APG4 in all applications?

Yes. The SA5532AP is the active production equivalent of the SA5532APG4. Both parts share identical electrical specifications, package configuration (8-DIP), mounting type (through-hole), and operating temperature range (-40°C ~ 85°C). The only difference is product status: SA5532AP is Active while SA5532APG4 is Obsolete. Direct substitution is appropriate for all applications.

Q2: What is the primary reason to substitute the SA5532APG4?

The SA5532APG4 is classified as Obsolete. Manufacturer support, availability, and long-term supply cannot be guaranteed. The SA5532AP provides identical functionality with Active product status and assured availability.

Q3: Are there performance differences between SA5532AP and NJM5532DD?

Both parts are general-purpose dual operational amplifiers with comparable performance. Slew rate is nearly identical (9 V/µs versus 8 V/µs). Gain bandwidth product is identical (10 MHz). Input bias current, input offset voltage, and output current are identical. The NJM5532DD supports higher maximum supply voltage (44 V versus 30 V). Both maintain the 8-DIP package and -40°C ~ 85°C operating temperature range. Selection between these parts depends on supply voltage requirements and manufacturer preference.

Q4: When should LT1229CN8#PBF be selected as a substitute?

The LT1229CN8#PBF should be selected only when application requirements demand significantly enhanced bandwidth (100 MHz versus 10 MHz) and slew rate (700 V/µs versus 9 V/µs). This part is not a direct equivalent. The reduced operating temperature range (0°C ~ 70°C) and higher input offset voltage (3 mV) must be evaluated for compatibility with the target application. This part is suitable for high-speed signal processing applications where the SA5532APG4 bandwidth is insufficient.

Q5: Is the 8-DIP package critical for substitution?

Yes. All recommended substitutes maintain the 8-DIP (0.300", 7.62mm) through-hole package. This ensures mechanical and electrical compatibility with existing printed circuit board layouts. Package compatibility is a primary substitution criterion.

Q6: What is the significance of Product Status classifications?

Product Status indicates manufacturer support and supply continuity. Active status indicates ongoing production and manufacturer support. Obsolete status indicates discontinued production. Not For New Designs indicates planned discontinuation. For new designs, Active status parts (SA5532AP, BA15218, LT1229CN8#PBF, MUSES02, NJM5532DD) are preferred. The NJM4580D should not be selected for new applications despite high inventory availability.

Q7: Are all substitute parts RoHS compliant?

Yes. All substitute parts listed are RoHS compliant (either ROHS3 or RoHS Compliant designation). The SA5532APG4 is ROHS3 Compliant. Compliance status is maintained across all recommended substitutes.

Q8: What supply voltage range must be maintained during substitution?

The SA5532APG4 requires minimum 10 V and maximum 30 V supply voltage. When selecting substitutes, verify that the application supply voltage falls within the substitute part's specified range. SA5532AP maintains identical 10 V to 30 V range. NJM5532DD supports 6 V to 44 V, providing greater flexibility. LT1229CN8#PBF supports 4 V to 30 V. BA15218 supports 4 V to 32 V. MUSES02 supports 7 V to 32 V. NJM4580D supports 4 V to 36 V.

Q9: How do input bias current specifications affect substitution?

Input bias current affects circuit performance in high-impedance applications. The SA5532APG4 specifies 200 nA input bias current. Substitutes with lower input bias current (BA15218 at 50 nA, MUSES02 at 100 nA, NJM4580D at 100 nA) provide improved performance in high-impedance circuits. LT1229CN8#PBF specifies 10 µA, which is significantly higher and may not be suitable for high-impedance applications. SA5532AP and NJM5532DD maintain 200 nA, matching the original specification.

Q10: What is the significance of Gain Bandwidth Product in substitution decisions?

Gain Bandwidth Product (GBP) determines the maximum frequency response of the amplifier. The SA5532APG4 specifies 10 MHz GBP. Substitutes with identical or higher GBP (SA5532AP at 10 MHz, BA15218 at 10 MHz, MUSES02 at 11 MHz, NJM4580D at 15 MHz, NJM5532DD at 10 MHz) are suitable for direct replacement. LT1229CN8#PBF specifies 100 MHz, providing significantly enhanced bandwidth for applications requiring higher frequency response. Selection depends on application frequency requirements.

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