ALD2732ASAL Equivalent & Substitute Parts

Part Overview

The ALD2732ASAL is a general-purpose operational amplifier manufactured by Advanced Linear Devices Inc., configured as a dual-circuit (2-circuit) rail-to-rail output device in an 8-SOIC surface-mount package. This component is classified as Active and is RoHS3 compliant with unlimited moisture sensitivity rating (MSL 1). The ALD2732ASAL operates across a supply voltage range of 4 V to 10 V and is rated for industrial temperature applications from 0°C to 70°C.

Substitute parts are necessary when the original ALD2732ASAL becomes unavailable, when alternative packaging formats are required, or when enhanced performance specifications are needed for specific application requirements while maintaining functional and mechanical compatibility.

Key Parameters

Parameter	Value
Manufacturer Part Number	ALD2732ASAL
Manufacturer	Advanced Linear Devices Inc.
Category	Linear, Amplifiers
Amplifier Type	General Purpose
Number of Circuits	2
Output Type	Rail-to-Rail
Package / Case	8-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount
Voltage - Supply Span (Min)	4 V
Voltage - Supply Span (Max)	10 V
Operating Temperature	0°C ~ 70°C
Slew Rate	1.9 V/µs
Gain Bandwidth Product	1.5 MHz
Current - Input Bias	10 pA
Voltage - Input Offset	600 µV
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Part Status	Active

Substitute Part Grouping Explanation

Substitution of the ALD2732ASAL is determined by strict adherence to the following critical parameters:

Mandatory Compatibility Parameters:

Number of Circuits: 2 (dual-channel configuration)
Output Type: Rail-to-Rail
Package / Case: 8-SOIC (0.154", 3.90mm Width)
Mounting Type: Surface Mount
Part Status: Active

Electrical Operating Range Parameters:

Voltage - Supply Span (Min): 4 V or lower
Voltage - Supply Span (Max): 10 V or higher
Operating Temperature: Must encompass 0°C ~ 70°C minimum

Performance Parameters (Secondary Consideration):

Slew Rate: 1.9 V/µs or greater
Gain Bandwidth Product: 1.5 MHz or greater
Current - Input Bias: 10 pA or lower
Voltage - Input Offset: 600 µV or lower

Substitute parts are grouped into two categories: direct equivalents with identical or superior performance specifications, and functional alternatives that maintain core operational compatibility while offering enhanced performance characteristics. All substitute parts listed maintain the mandatory compatibility parameters and are classified as Active products with appropriate compliance certifications.

Parameter Comparison

Parameter	ALD2732ASAL	AD8030ARZ	AD8030ARZ-REEL	AD8030ARZ-REEL7	AD8032ARZ	AD8032ARZ-REEL	AD8032ARZ-REEL7	AD8032BRZ	AD8032BRZ-REEL7	AD8042ARZ	AD8042ARZ-REEL
Manufacturer	Advanced Linear Devices Inc.	Analog Devices Inc.	Analog Devices Inc.	Analog Devices Inc.	Analog Devices Inc.	Analog Devices Inc.	Analog Devices Inc.	Analog Devices Inc.	Analog Devices Inc.	Analog Devices Inc.	Analog Devices Inc.
Amplifier Type	General Purpose	General Purpose	General Purpose	General Purpose	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	2
Output Type	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail
Package / Case	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Voltage - Supply Span (Min)	4 V	2.7 V	2.7 V	2.7 V	2.7 V	2.7 V	2.7 V	2.7 V	2.7 V	3 V	3 V
Voltage - Supply Span (Max)	10 V	12 V	12 V	12 V	12 V	12 V	12 V	12 V	12 V	12 V	12 V
Operating Temperature	0°C ~ 70°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C
Slew Rate	1.9 V/µs	63 V/µs	63 V/µs	63 V/µs	35 V/µs	35 V/µs	35 V/µs	35 V/µs	35 V/µs	225 V/µs	225 V/µs
Gain Bandwidth Product	1.5 MHz	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	90 MHz	90 MHz
-3dB Bandwidth	N/A	125 MHz	125 MHz	125 MHz	80 MHz	80 MHz	80 MHz	80 MHz	80 MHz	170 MHz	170 MHz
Current - Input Bias	10 pA	700 nA	700 nA	700 nA	450 nA	450 nA	450 nA	450 nA	450 nA	1.2 µA	1.2 µA
Voltage - Input Offset	600 µV	1.6 mV	1.6 mV	1.6 mV	1 mV	1 mV	1 mV	500 µV	500 µV	3 mV	3 mV
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Part Status	Active	Active	Active	Active	Active	Active	Active	Active	Active	Active	Active

Engineering Selection Recommendations

All substitute parts listed maintain Active product status and ROHS3 compliance with MSL 1 rating, ensuring regulatory and environmental compatibility with the original ALD2732ASAL specification.

AD8030 Series (AD8030ARZ, AD8030ARZ-REEL, AD8030ARZ-REEL7): These general-purpose amplifiers provide superior performance with 63 V/µs slew rate and 125 MHz bandwidth, while maintaining the mandatory 2-circuit, rail-to-rail, 8-SOIC configuration. The extended supply voltage range (2.7 V to 12 V) and expanded operating temperature range (-40°C to 125°C) provide broader application flexibility. Packaging options include Tube and Cut Tape & Digi-Reel® formats.

AD8032 Series (AD8032ARZ, AD8032ARZ-REEL, AD8032ARZ-REEL7, AD8032BRZ, AD8032BRZ-REEL7): These voltage feedback amplifiers offer moderate performance enhancement with 35 V/µs slew rate and 80 MHz bandwidth. The AD8032BRZ and AD8032BRZ-REEL7 variants feature improved input offset voltage (500 µV) compared to standard AD8032 variants (1 mV). Operating temperature range extends to -40°C to 85°C. Multiple packaging options support both Tube and Cut Tape & Digi-Reel® requirements.

AD8042 Series (AD8042ARZ, AD8042ARZ-REEL): These high-performance voltage feedback amplifiers deliver the highest slew rate (225 V/µs) and bandwidth (170 MHz) among substitute options, with 90 MHz gain bandwidth product. Input bias current increases to 1.2 µA and input offset voltage to 3 mV. Minimum supply voltage is 3 V. These devices are suitable for applications requiring enhanced dynamic performance.

All substitute parts are available in Active status with established supply chain presence and full compliance certifications.

Frequently Asked Questions (FAQ)

Q: Can AD8030ARZ directly replace ALD2732ASAL in existing PCB designs?

A: Yes. Both devices share identical 8-SOIC package dimensions (0.154", 3.90mm width), dual-circuit configuration, rail-to-rail output, and surface-mount technology. Pin-to-pin compatibility is maintained. The AD8030ARZ operates within the ALD2732ASAL supply voltage range (4 V to 10 V falls within AD8030ARZ range of 2.7 V to 12 V) and encompasses the operating temperature requirement of 0°C to 70°C.

Q: What is the difference between AD8032ARZ and AD8032BRZ?

A: Both variants are voltage feedback amplifiers with identical electrical performance specifications except for input offset voltage. AD8032BRZ specifies 500 µV maximum input offset voltage, while AD8032ARZ specifies 1 mV maximum. The AD8032BRZ provides tighter offset voltage tolerance. Both maintain the same slew rate (35 V/µs), bandwidth (80 MHz), and operating temperature range (-40°C to 85°C).

Q: What packaging options are available for substitute parts?

A: Substitute parts are available in two packaging formats: Tube (standard packaging) and Cut Tape & Digi-Reel® (reel packaging). The "-REEL" and "-REEL7" designations indicate reel packaging variants. All variants maintain the identical 8-SOIC case outline and are functionally equivalent; packaging selection depends on assembly process requirements and inventory management preferences.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts (AD8030, AD8032, and AD8042 series) are ROHS3 compliant with MSL 1 (unlimited moisture sensitivity level), matching the compliance profile of the original ALD2732ASAL.

Q: Which substitute part offers the best performance upgrade?

A: The AD8042 series provides the highest performance specifications with 225 V/µs slew rate and 170 MHz bandwidth. However, this comes with trade-offs: higher input bias current (1.2 µA versus 10 pA) and higher input offset voltage (3 mV versus 600 µV). Selection depends on specific application requirements for speed versus precision.

Q: Can I use AD8032 series in applications designed for ALD2732ASAL?

A: AD8032 series devices are functionally compatible in terms of package, circuit count, and output type. However, the amplifier type differs (voltage feedback versus general purpose). Performance characteristics differ: AD8032 provides 35 V/µs slew rate and 80 MHz bandwidth compared to ALD2732ASAL's 1.9 V/µs and 1.5 MHz. Compatibility depends on application bandwidth and slew rate requirements.

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

A: AD8030 series: 2.7 V minimum. AD8032 series: 2.7 V minimum. AD8042 series: 3 V minimum. All exceed the ALD2732ASAL minimum of 4 V, providing backward compatibility within the 4 V to 10 V operating range.

Q: Are there inventory considerations when selecting substitute parts?

A: Yes. Inventory levels vary significantly across substitute options. AD8032BRZ-REEL7 shows highest availability (100,200 pcs), while AD8042ARZ shows lower availability (2,648 pcs). Reel packaging variants generally show higher inventory than Tube packaging. Availability should be confirmed for production volume requirements.

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