ALD1736ASAL Equivalent & Substitute Parts

Part Overview

The ALD1736ASAL 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 ALD1736ASAL operates across a 4V to 10V supply span with a 0°C to 70°C temperature range, delivering 400 kHz gain-bandwidth product performance suitable for general analog signal conditioning applications. Equivalent and substitute parts are identified based on matching package geometry, output configuration, supply voltage compatibility, and functional amplifier classification within the linear amplifier category.

Key Parameters

Parameter	ALD1736ASAL
Manufacturer	Advanced Linear Devices Inc.
Category	Linear, Amplifiers
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
Voltage - Supply Span (Min)	4 V
Voltage - Supply Span (Max)	10 V
Operating Temperature	0°C ~ 70°C
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Product Status	Active

Substitute Part Grouping Explanation

Substitute parts for the ALD1736ASAL are selected based on the following critical parameters that determine functional and physical compatibility:

Package Compatibility: All substitute parts must use the 8-SOIC (0.154", 3.90mm Width) surface mount package to ensure direct PCB layout compatibility without redesign.

Output Configuration: All substitutes maintain rail-to-rail output capability, preserving the full supply voltage swing characteristic of the original device.

Supply Voltage Range: Substitute parts must operate within or encompass the 4V to 10V supply span of the ALD1736ASAL. Parts with extended supply ranges (2.7V to 12V) remain compatible as they support the required operating window.

Single Circuit Configuration: All substitutes are single-circuit amplifiers, maintaining the same functional density as the original part.

Compliance Status: All substitute parts maintain ROHS3 compliance and MSL 1 (Unlimited) rating, ensuring equivalent environmental and handling characteristics.

Amplifier Classification: Substitutes are classified within the Linear Amplifiers category and include General Purpose, Instrumentation, and Voltage Feedback amplifier types. These classifications represent different internal topologies but maintain compatibility for general signal conditioning applications.

Parameter Comparison

Parameter	ALD1736ASAL	AD623ARZ-RL	AD8031ARZ	AD8031ARZ-REEL	AD8031ARZ-REEL7	AD8031BRZ	AD8031BRZ-REEL7	AD8051ARZ	AD8051ARZ-REEL	AD8051ARZ-REEL7	AD8091ARZ
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	Instrumentation	Voltage Feedback	Voltage Feedback	Voltage Feedback	Voltage Feedback	Voltage Feedback	Voltage Feedback	Voltage Feedback	Voltage Feedback	Voltage Feedback
Number of Circuits	1	1	1	1	1	1	1	1	1	1	1
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	3 V	3 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 ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 85°C
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)
Product Status	Active	Active	Active	Active	Active	Active	Active	Active	Active	Active	Active

Engineering Selection Recommendations

All listed substitute parts maintain Active product status, ensuring continued manufacturer support and availability. Each substitute part carries ROHS3 compliance certification and MSL 1 (Unlimited) moisture sensitivity rating, matching the environmental and regulatory profile of the ALD1736ASAL.

AD623ARZ-RL is classified as an Instrumentation Amplifier with extended operating temperature range (-40°C to 85°C) and supply voltage span (2.7V to 12V), providing enhanced performance margins beyond the ALD1736ASAL specification window.

AD8031 Series (AD8031ARZ, AD8031ARZ-REEL, AD8031ARZ-REEL7, AD8031BRZ, AD8031BRZ-REEL7) comprises Voltage Feedback Amplifiers with identical electrical characteristics across all variants. These parts offer significantly higher slew rate (35V/µs) and bandwidth (80 MHz) compared to the ALD1736ASAL. Packaging variants include Tube and Cut Tape (CT) & Digi-Reel® options. The AD8031BRZ and AD8031BRZ-REEL7 variants feature 500µV input offset voltage compared to 1mV in the ARZ variants.

AD8051 Series (AD8051ARZ, AD8051ARZ-REEL, AD8051ARZ-REEL7) represents high-performance Voltage Feedback Amplifiers with 170V/µs slew rate and 110 MHz bandwidth. These parts support extended operating temperature to 125°C and higher output current capability (45mA per channel). Packaging options include Tube and Tape & Reel (TR) configurations.

AD8091ARZ is a Voltage Feedback Amplifier with performance characteristics matching the AD8051 series but limited to -40°C to 85°C operating temperature range.

All substitute parts are available in Active status with inventory quantities ranging from 1,679 to 24,058 pieces, ensuring supply continuity.

Frequently Asked Questions (FAQ)

Q: Can AD8031ARZ-REEL7 directly replace ALD1736ASAL in existing PCB designs?

A: Yes. Both parts use identical 8-SOIC (0.154", 3.90mm Width) surface mount packages with matching pinout for single-circuit rail-to-rail amplifiers. The AD8031ARZ-REEL7 operates within the ALD1736ASAL supply voltage window (4V to 10V) and maintains the same output configuration. PCB layout and footprint remain unchanged.

Q: What is the difference between AD8031ARZ and AD8031ARZ-REEL7?

A: Both parts are electrically identical Voltage Feedback Amplifiers with 35V/µs slew rate and 80 MHz bandwidth. The primary difference is packaging format: AD8031ARZ is supplied in Tube packaging, while AD8031ARZ-REEL7 is supplied in Cut Tape (CT) & Digi-Reel® format. Selection depends on assembly process requirements and tape-and-reel compatibility with pick-and-place equipment.

Q: Why does AD8051ARZ have higher operating temperature range than ALD1736ASAL?

A: The AD8051ARZ is specified for -40°C to 125°C operation, exceeding the ALD1736ASAL range of 0°C to 70°C. This extended temperature specification reflects the device design and characterization. Applications requiring only 0°C to 70°C operation can use AD8051ARZ without derating.

Q: Is AD623ARZ-RL suitable for general-purpose amplifier applications?

A: AD623ARZ-RL is classified as an Instrumentation Amplifier, which differs functionally from the General Purpose classification of ALD1736ASAL. Instrumentation amplifiers feature differential input stages optimized for precision measurement applications. While both are rail-to-rail single-circuit devices in 8-SOIC packages, the internal topology differs. Application requirements determine suitability.

Q: What is the significance of the -REEL and -REEL7 packaging designations?

A: Both designations indicate Cut Tape (CT) & Digi-Reel® packaging format for automated assembly. The numeric suffix (7) typically indicates a specific reel configuration or tape width standard. Both formats are compatible with standard pick-and-place equipment. Consult manufacturer datasheets for specific reel specifications.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts carry ROHS3 Compliant certification matching the ALD1736ASAL. All parts also maintain MSL 1 (Unlimited) moisture sensitivity rating, ensuring equivalent handling and storage requirements.

Q: Can AD8051ARZ-REEL be used in applications requiring 0°C to 70°C operation?

A: Yes. AD8051ARZ-REEL is specified for -40°C to 125°C operation, which encompasses the 0°C to 70°C window. The part operates within this narrower temperature range without performance degradation or derating requirements.

Q: What distinguishes Voltage Feedback amplifiers from General Purpose amplifiers?

A: Voltage Feedback amplifiers (AD8031, AD8051, AD8091 series) employ feedback topologies optimized for high-speed, high-bandwidth applications. General Purpose amplifiers (ALD1736ASAL) provide broader application flexibility with moderate bandwidth. The AD8031 series delivers 80 MHz bandwidth versus 400 kHz for ALD1736ASAL, making them suitable for different frequency ranges.

Q: Are there inventory considerations when selecting substitute parts?

A: Yes. Current inventory levels vary significantly: AD8031ARZ-REEL7 has 24,058 pieces available, while AD8031BRZ has 1,679 pieces. High-volume production may benefit from parts with larger available inventory to ensure supply continuity.

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