AD8532AR Equivalent & Substitute Parts

Part Overview

The AD8532AR is a general-purpose operational amplifier manufactured by Analog Devices Inc., configured as a dual-channel (2 circuit) rail-to-rail output device in an 8-SOIC surface mount package. This component is classified as obsolete, which necessitates identification of functionally equivalent alternatives for new designs and ongoing production requirements. The AD8532AR operates across a 2.7 V to 6 V supply range with a 3 MHz gain bandwidth product and 5 V/µs slew rate, making it suitable for low-voltage analog signal processing applications.

Key Parameters

Parameter	Value	Unit
Amplifier Type	General Purpose	—
Number of Circuits	2	—
Output Type	Rail-to-Rail	—
Slew Rate	5	V/µs
Gain Bandwidth Product	3	MHz
Current - Input Bias	5	pA
Voltage - Input Offset	25	mV
Current - Supply (x2 Channels)	750	µA
Current - Output / Channel	250	mA
Voltage - Supply Span (Min)	2.7	V
Voltage - Supply Span (Max)	6	V
Operating Temperature	-40 to 85	°C
Package / Case	8-SOIC (0.154", 3.90mm Width)	—
Mounting Type	Surface Mount	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution of the AD8532AR is determined by strict equivalence across the following critical parameters:

Primary Substitution Criteria:

Package type: 8-SOIC surface mount form factor
Number of circuits: Dual-channel (2) configuration
Output architecture: Rail-to-rail output capability
Supply voltage range: Minimum 2.7 V, maximum 6 V compatibility
Operating temperature range: -40°C to 85°C minimum coverage

Secondary Compatibility Parameters:

Slew rate: 5 V/µs or greater
Gain bandwidth product: 3 MHz or greater
Input bias current: 5 pA or lower
Input offset voltage: 25 mV or lower
Output current per channel: 250 mA or greater
Supply current: 750 µA per channel or lower

Substitute parts are classified into two categories: direct equivalents (identical electrical specifications and packaging) and functional alternatives (meeting or exceeding all critical parameters within the same package).

Parameter Comparison

Part Number	Manufacturer	Product Status	Slew Rate (V/µs)	GBW (MHz)	Input Bias (pA)	Input Offset (mV)	Supply Current (µA)	Output Current (mA)	Supply Min (V)	Supply Max (V)	Temp Range (°C)
AD8532AR	Analog Devices	Obsolete	5	3	5	25	750	250	2.7	6	-40 to 85
AD8532ARZ	Analog Devices	Active	5	3	5	25	750	250	2.7	6	-40 to 85
MCP6L72T-E/SN	Microchip Technology	Active	0.9	2	1	1	150	25	2	6	-40 to 125
OPA2340UA	Texas Instruments	Active	6	5.5	0.2	0.15	750	50	2.5	5.5	-40 to 85
OPA2340UA/2K5	Texas Instruments	Active	6	5.5	0.2	0.15	750	50	2.5	5.5	-40 to 85
OPA2343UA	Texas Instruments	Active	6	5.5	0.2	2	850	50	2.5	5.5	-40 to 85
OPA2343UA/2K5	Texas Instruments	Active	6	5.5	0.2	2	850	50	2.5	5.5	-40 to 85
TS1872AIYDT	STMicroelectronics	Active	0.6	1.8	70	1	500	80	1.8	6	-40 to 125
TS1872IYDT	STMicroelectronics	Active	0.6	1.8	70	0.1	500	80	1.8	6	-40 to 125
TS922AIDT	STMicroelectronics	Active	1.3	4	15	0.9	2000	80	2.7	12	-40 to 125
TS922AIYDT	STMicroelectronics	Active	1.3	4	15	0.9	2000	80	2.7	12	-40 to 125

Engineering Selection Recommendations

Direct Equivalent (Recommended Primary Substitute):

The AD8532ARZ is the direct functional equivalent of the AD8532AR. Both components share identical electrical specifications across all measured parameters and are housed in the same 8-SOIC package. The AD8532ARZ is currently in active production status with significantly higher inventory availability (23,001 units) compared to the obsolete AD8532AR. This part carries ROHS3 compliance and REACH unaffected status, meeting current regulatory requirements for new designs.

Functional Alternatives with Enhanced Performance:

The OPA2340UA/2K5 (Texas Instruments) and OPA2343UA/2K5 (Texas Instruments) exceed the AD8532AR specifications in slew rate (6 V/µs versus 5 V/µs), gain bandwidth product (5.5 MHz versus 3 MHz), and input bias current (0.2 pA versus 5 pA). Both are CMOS-based amplifiers in the microPOWER and MicroAmplifier series, respectively, with active product status and ROHS3 compliance. The OPA2340UA/2K5 offers the highest inventory availability (40,400 units) among all alternatives. These parts operate within the 2.5 V to 5.5 V supply range, which is compatible with the AD8532AR's 2.7 V to 6 V specification.

Automotive-Grade Alternatives:

The TS922AIDT and TS922AIYDT (STMicroelectronics) are automotive-qualified components meeting AEC-Q100 standards. These parts provide extended temperature operation (-40°C to 125°C) and wider supply voltage range (2.7 V to 12 V). However, they exhibit higher supply current consumption (2 mA versus 750 µA) and lower output current per channel (80 mA versus 250 mA), making them suitable only for applications where automotive qualification is required and power consumption constraints are less stringent.

Lower-Performance Alternatives:

The MCP6L72T-E/SN (Microchip Technology) and TS1872 variants (STMicroelectronics) fall below the AD8532AR's performance envelope in slew rate and gain bandwidth product. These parts are not recommended as direct substitutes unless application requirements explicitly permit reduced dynamic performance.

Frequently Asked Questions (FAQ)

Q: Can the AD8532ARZ be used as a direct replacement for the AD8532AR?

A: Yes. The AD8532ARZ is electrically and mechanically identical to the AD8532AR. Both components feature the same 8-SOIC package, dual-channel configuration, rail-to-rail output, and identical electrical specifications. The primary difference is product status: AD8532ARZ is in active production while AD8532AR is obsolete.

Q: What is the key difference between the OPA2340UA/2K5 and the AD8532AR?

A: The OPA2340UA/2K5 exceeds the AD8532AR in three critical performance metrics: slew rate (6 V/µs versus 5 V/µs), gain bandwidth product (5.5 MHz versus 3 MHz), and input bias current (0.2 pA versus 5 pA). Both operate in the same 8-SOIC package and support rail-to-rail output. The OPA2340UA/2K5 uses CMOS technology and operates within a 2.5 V to 5.5 V supply range, which overlaps with the AD8532AR's 2.7 V to 6 V range.

Q: Are the TS922AIDT and TS922AIYDT suitable replacements for general-purpose applications?

A: The TS922 variants are suitable only for applications requiring automotive qualification (AEC-Q100) or extended temperature operation to 125°C. These parts consume significantly higher supply current (2 mA versus 750 µA) and provide lower output current per channel (80 mA versus 250 mA). For standard industrial or consumer applications without automotive requirements, the AD8532ARZ or OPA2340UA/2K5 are preferred alternatives.

Q: What packaging options are available for substitute parts?

A: All substitute parts listed are available in 8-SOIC surface mount packages, maintaining mechanical compatibility with the AD8532AR. Packaging variants differ in delivery format: tube, cut tape with digi-reel, or tape and reel. These format differences do not affect electrical performance or PCB assembly compatibility.

Q: Does the MCP6L72T-E/SN meet the performance requirements of the AD8532AR?

A: The MCP6L72T-E/SN does not meet the AD8532AR's performance specifications. It exhibits lower slew rate (0.9 V/µs versus 5 V/µs), lower gain bandwidth product (2 MHz versus 3 MHz), and significantly lower output current per channel (25 mA versus 250 mA). This part is not recommended as a substitute unless application requirements explicitly permit reduced performance.

Q: What compliance certifications should be verified for new designs?

A: All active substitute parts listed carry ROHS3 compliance and REACH unaffected status. The TS922 variants additionally carry AEC-Q100 automotive qualification. Verify compliance requirements against your specific application and regional regulations before final component selection.

Q: Can the AD8532AR be used in applications requiring supply voltages above 6 V?

A: No. The AD8532AR maximum supply voltage is 6 V. For applications requiring higher supply voltages, the TS922AIDT or TS922AIYDT support up to 12 V supply, though they introduce higher supply current consumption and lower output current per channel.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message