LM4895MM/NOPB Equivalent & Substitute Parts

Part Overview

The LM4895MM/NOPB is a Class AB mono audio amplifier IC manufactured by Texas Instruments, part of the Boomer® series. This device delivers 1.4W output power at 4Ω load with integrated features including depop circuitry, differential inputs, shutdown control, and thermal protection. The part operates across a 2.2V to 5.5V supply range and is housed in a 10-VSSOP surface mount package.

The LM4895MM/NOPB carries an Obsolete product status. Equivalent and substitute parts are necessary to ensure design continuity, maintain supply chain reliability, and support ongoing production requirements for applications utilizing this amplifier topology.

Key Parameters

Parameter	Value
Amplifier Type	Class AB
Output Configuration	1-Channel (Mono)
Max Output Power @ 4Ω Load	1.4W
Supply Voltage Range	2.2V ~ 5.5V
Integrated Features	Depop, Differential Inputs, Shutdown, Thermal Protection
Operating Temperature	-40°C ~ 85°C (TA)
Mounting Type	Surface Mount
Package Type	10-VSSOP / 10-TFSOP / 10-MSOP
RoHS Status	ROHS3 Compliant
MSL Rating	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the LM4895MM/NOPB is determined by the following critical parameters:

Electrical Compatibility Criteria:

Class AB amplifier topology
1-Channel (Mono) output configuration
1.4W output power at 4Ω load
Supply voltage range compatibility (minimum 2.2V, maximum 5.5V)
Identical feature set: Depop, Differential Inputs, Shutdown, Thermal Protection
Operating temperature range: -40°C ~ 85°C

Mechanical Compatibility Criteria:

Surface mount technology
10-pin package footprint (10-VSSOP, 10-TFSOP, 10-MSOP, or 10-uMAX-EP)
Package dimensions: 0.118" width, 3.00mm width standard

Compliance Criteria:

ROHS3 Compliant
MSL Rating 1 (Unlimited)
REACH Unaffected status

All identified substitute parts meet these criteria. Substitutes are grouped by manufacturer and product status, with Texas Instruments LM4898MM/NOPB representing the direct manufacturer upgrade path, and Analog Devices Inc./Maxim Integrated MAX9718 series providing cross-manufacturer alternatives.

Parameter Comparison

Parameter	LM4895MM/NOPB	LM4898MM/NOPB	MAX9718AEUB+	MAX9718AEUB+T	MAX9718DEUB+	MAX9718DEUB+T
Manufacturer	Texas Instruments	Texas Instruments	Analog Devices/Maxim	Analog Devices/Maxim	Analog Devices/Maxim	Analog Devices/Maxim
Product Status	Obsolete	Active	Active	Active	Active	Active
Amplifier Type	Class AB	Class AB	Class AB	Class AB	Class AB	Class AB
Output Configuration	1-Channel (Mono)	1-Channel (Mono)	1-Channel (Mono)	1-Channel (Mono)	1-Channel (Mono)	1-Channel (Mono)
Max Output Power @ 4Ω	1.4W	1.4W	1.4W	1.4W	1.4W	1.4W
Supply Voltage Range	2.2V ~ 5.5V	2.4V ~ 5.5V	2.7V ~ 5.5V	2.7V ~ 5.5V	2.7V ~ 5.5V	2.7V ~ 5.5V
Integrated Features	Depop, Differential Inputs, Shutdown, Thermal Protection	Depop, Differential Inputs, Shutdown, Thermal Protection	Depop, Differential Inputs, Shutdown, Thermal Protection	Depop, Differential Inputs, Shutdown, Thermal Protection	Depop, Differential Inputs, Shutdown, Thermal Protection	Depop, Differential Inputs, Shutdown, Thermal Protection
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Package Type	10-VSSOP	10-VSSOP	10-uMAX-EP	10-uMAX-EP	10-uMAX-EP	10-uMAX-EP
Packaging Format	Tube	Tape & Reel (TR)	Tube	Tape & Reel (TR)	Tube	Tape & Reel (TR)
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected

Engineering Selection Recommendations

Primary Recommendation: LM4898MM/NOPB

The LM4898MM/NOPB is the manufacturer-recommended substitute from Texas Instruments. This part maintains the same Boomer® series lineage, identical electrical performance specifications, and Active product status. The LM4898MM/NOPB operates across a 2.4V to 5.5V supply range, which encompasses the LM4895MM/NOPB operating window. Both parts share identical output power, feature set, and thermal characteristics. The LM4898MM/NOPB is available in Tape & Reel packaging format with 2184 units in current inventory, supporting high-volume production requirements.

Secondary Recommendation: MAX9718 Series (Analog Devices Inc./Maxim Integrated)

The MAX9718 series provides cross-manufacturer substitution with Active product status and established supply chain availability. Four variants are available:

MAX9718AEUB+ (Tube packaging, 1900 units in stock)
MAX9718AEUB+T (Tape & Reel packaging, 6400 units in stock)
MAX9718DEUB+ (Tube packaging, 1054 units in stock)
MAX9718DEUB+T (Tape & Reel packaging, 3668 units in stock)

All MAX9718 variants operate across a 2.7V to 5.5V supply range and utilize the 10-uMAX-EP package with exposed pad. This package footprint is mechanically compatible with the 10-VSSOP standard. All variants maintain identical output power, feature set, and thermal protection characteristics. The MAX9718AEUB+T variant offers the highest inventory availability at 6400 units.

Compliance Verification:

All substitute parts carry ROHS3 Compliant status, MSL Rating 1 (Unlimited), and REACH Unaffected designation, matching the original LM4895MM/NOPB compliance profile.

Frequently Asked Questions (FAQ)

Q: Can the LM4898MM/NOPB directly replace the LM4895MM/NOPB in existing designs?

A: The LM4898MM/NOPB is electrically and mechanically compatible with the LM4895MM/NOPB. Both parts share identical Class AB topology, 1.4W output power at 4Ω load, feature set, operating temperature range, and 10-pin surface mount package footprint. The LM4898MM/NOPB supply voltage range (2.4V ~ 5.5V) encompasses the LM4895MM/NOPB range (2.2V ~ 5.5V). No circuit modifications are required for substitution.

Q: What is the difference between the MAX9718AEUB+ and MAX9718DEUB+ variants?

A: The MAX9718AEUB+ and MAX9718DEUB+ variants differ in temperature grade designation (A-grade versus D-grade), but both operate across the identical -40°C ~ 85°C temperature range specified for this application. Both variants are electrically and mechanically identical, with the same output power, feature set, and package type (10-uMAX-EP). Selection between these variants depends on procurement availability and packaging format preference (Tube or Tape & Reel).

Q: Are the MAX9718 parts pin-compatible with the LM4895MM/NOPB?

A: The MAX9718 series uses the 10-uMAX-EP package, while the LM4895MM/NOPB uses the 10-VSSOP package. Both are 10-pin surface mount packages with 0.118" (3.00mm) width and identical pin pitch. The packages are footprint-compatible for PCB layout purposes. Pin functionality and signal assignments are equivalent across all substitute parts.

Q: What packaging formats are available for substitute parts?

A: The LM4898MM/NOPB is available in Tape & Reel (TR) format. The MAX9718 series is available in both Tube and Tape & Reel formats. Selection of packaging format depends on production volume requirements and assembly equipment compatibility. Tape & Reel format is standard for high-volume automated assembly operations.

Q: Do all substitute parts meet the same compliance requirements as the original LM4895MM/NOPB?

A: All identified substitute parts carry ROHS3 Compliant status, MSL Rating 1 (Unlimited), and REACH Unaffected designation, matching the original part's compliance profile. All parts are suitable for applications requiring these regulatory certifications.

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

A: The LM4895MM/NOPB operates at 2.2V minimum. The LM4898MM/NOPB operates at 2.4V minimum. The MAX9718 series operates at 2.7V minimum. For applications requiring operation below 2.4V, the LM4895MM/NOPB or LM4898MM/NOPB must be used. For applications operating at 2.7V or higher, all substitute parts are suitable.

Q: Which substitute part offers the highest current inventory availability?

A: The MAX9718AEUB+T variant offers the highest inventory availability at 6400 units in Tape & Reel format, followed by MAX9718DEUB+T at 3668 units. The LM4898MM/NOPB provides 2184 units in Tape & Reel format from the Texas Instruments product line.

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