ALD1732ASAL Equivalent & Substitute Parts

Part Overview

The ALD1732ASAL is a general-purpose operational amplifier manufactured by Advanced Linear Devices Inc., configured as a single-circuit rail-to-rail output device in an 8-SOIC surface mount package. This component is classified as Active product status with full RoHS3 compliance and unlimited moisture sensitivity rating. The ALD1732ASAL operates across a 4V to 10V supply span with a slew rate of 2.1V/µs and gain bandwidth product of 1.5 MHz, designed for applications requiring low-power general-purpose amplification. Substitute parts are identified when equivalent electrical performance parameters and identical package configurations are available from alternative manufacturers, enabling design flexibility and supply chain continuity.

Key Parameters

Parameter	Value	Unit
Amplifier Type	General Purpose	—
Number of Circuits	1	—
Output Type	Rail-to-Rail	—
Package / Case	8-SOIC (0.154", 3.90mm Width)	—
Mounting Type	Surface Mount	—
Slew Rate	2.1	V/µs
Gain Bandwidth Product	1.5	MHz
Current - Input Bias	10	pA
Voltage - Input Offset	100	µV
Voltage - Supply Span (Min)	4	V
Voltage - Supply Span (Max)	10	V
Operating Temperature	0 to 70	°C
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitute parts for the ALD1732ASAL are identified based on strict electrical and mechanical compatibility criteria. The primary substitution parameters are:

Mandatory Compatibility Criteria:

Package / Case: 8-SOIC (0.154", 3.90mm Width)
Mounting Type: Surface Mount
Output Type: Rail-to-Rail
Number of Circuits: 1
RoHS3 Compliance
Moisture Sensitivity Level: 1 (Unlimited)

Electrical Performance Considerations: Substitute parts must operate within the voltage supply span range of 4V to 10V minimum and maximum specifications. The ALD1732ASAL operates at 0°C to 70°C; substitute parts with extended temperature ranges remain compatible for applications within this operating window. Slew rate, gain bandwidth product, input bias current, and input offset voltage are performance characteristics that may vary among substitutes while maintaining functional equivalence for general-purpose amplification applications.

All substitute parts listed are Analog Devices Inc. voltage feedback amplifiers in 8-SOIC packaging with active product status and full regulatory compliance.

Parameter Comparison

Parameter	ALD1732ASAL	AD8031ARZ	AD8031BRZ	AD8051ARZ	AD8091ARZ
Manufacturer	Advanced Linear Devices Inc.	Analog Devices Inc.	Analog Devices Inc.	Analog Devices Inc.	Analog Devices Inc.
Number of Circuits	1	1	1	1	1
Output Type	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)
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Slew Rate (V/µs)	2.1	35	35	170	170
Current - Input Bias	10 pA	450 nA	450 nA	1.4 µA	1.4 µA
Voltage - Input Offset	100 µV	1 mV	500 µV	1.8 mV	1.8 mV
Voltage - Supply Span (Min)	4 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
Operating Temperature	0 to 70°C	-40 to 85°C	-40 to 85°C	-40 to 125°C	-40 to 85°C
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Active	Active	Active	Active	Active

Engineering Selection Recommendations

All substitute parts listed maintain active product status with full RoHS3 compliance and unlimited moisture sensitivity rating, ensuring regulatory and environmental compliance equivalent to the ALD1732ASAL. The substitute parts are manufactured by Analog Devices Inc., a primary supplier of operational amplifier solutions.

AD8031 Series (AD8031ARZ, AD8031ARZ-REEL, AD8031ARZ-REEL7, AD8031BRZ, AD8031BRZ-REEL7): These voltage feedback amplifiers operate within the ALD1732ASAL supply voltage range and provide enhanced slew rate performance at 35V/µs. The AD8031 series is available in multiple packaging configurations (Tube, Cut Tape & Digi-Reel, Tape & Reel) with high inventory availability. The AD8031BRZ variant features reduced input offset voltage at 500µV compared to the AD8031ARZ at 1mV.

AD8051 Series (AD8051ARZ, AD8051ARZ-REEL, AD8051ARZ-REEL7): These voltage feedback amplifiers deliver significantly higher slew rate performance at 170V/µs and extended bandwidth at 110MHz. The AD8051 series operates across the full supply voltage range and supports extended operating temperature to 125°C. Available in Tube and Tape & Reel packaging configurations.

AD8091 Series (AD8091ARZ, AD8091ARZ-REEL7): These voltage feedback amplifiers provide identical electrical performance to the AD8051 series with slew rate at 170V/µs and 110MHz bandwidth, with operating temperature limited to -40°C to 85°C. The AD8091ARZ-REEL7 variant offers the highest inventory availability at 90,100 pieces.

Frequently Asked Questions (FAQ)

Q: Can the AD8031ARZ directly replace the ALD1732ASAL in existing designs?

A: The AD8031ARZ is mechanically and electrically compatible with the ALD1732ASAL. Both devices are configured as single-circuit rail-to-rail operational amplifiers in 8-SOIC surface mount packages. The AD8031ARZ operates within the ALD1732ASAL supply voltage range of 4V to 10V and maintains RoHS3 compliance with unlimited moisture sensitivity. The AD8031ARZ provides enhanced slew rate performance at 35V/µs compared to the ALD1732ASAL at 2.1V/µs.

Q: What is the difference between AD8031ARZ and AD8031BRZ?

A: Both devices are voltage feedback amplifiers in 8-SOIC packages with identical electrical performance except for input offset voltage. The AD8031ARZ specifies 1mV input offset voltage, while the AD8031BRZ specifies 500µV input offset voltage. Both operate across 2.7V to 12V supply span and are available in multiple packaging formats.

Q: Are the AD8051 and AD8091 series suitable for applications requiring the ALD1732ASAL performance?

A: The AD8051 and AD8091 series are suitable for applications within the ALD1732ASAL operating temperature range of 0°C to 70°C. Both series provide significantly enhanced performance with slew rate at 170V/µs and bandwidth at 110MHz. The AD8051 series supports extended operating temperature to 125°C, while the AD8091 series operates to 85°C. Both maintain full supply voltage compatibility and RoHS3 compliance.

Q: What packaging options are available for substitute parts?

A: Substitute parts are available in three packaging configurations: Tube, Cut Tape & Digi-Reel (CT), and Tape & Reel (TR). The AD8031 and AD8051 series offer all three packaging options. The AD8091 series is available in Tube and Cut Tape & Digi-Reel configurations. Selection depends on assembly process requirements and procurement volume.

Q: Do all substitute parts meet the same compliance standards as the ALD1732ASAL?

A: All substitute parts listed are RoHS3 compliant with moisture sensitivity level 1 (unlimited), matching the ALD1732ASAL compliance profile. All parts are classified as active product status with REACH unaffected designation and EAR99 ECCN classification.

Q: What is the inventory status of substitute parts?

A: Inventory availability varies by part number and packaging configuration. The AD8091ARZ-REEL7 offers the highest availability at 90,100 pieces. The AD8031 series variants range from 1,679 to 24,058 pieces. The AD8051 series variants range from 2,505 to 7,104 pieces. The ALD1732ASAL maintains 745 pieces in stock.

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