Specification	LM4889MMX/NOPB

Features	Depop, Thermal Protection, Shutdown
Max Output Power x Channels @ Load [custom]	8 Ohm
Max Output Power x Channels @ Load [x]	1, 1 W
Mounting Type	Surface Mount
Operating Temperature [Max]	85 °C
Operating Temperature [Min]	-40 °C
Output Type	1-Channel (Mono)
Package / Case	8-MSOP, 8-TSSOP
Package / Case	3 mm
Package / Case [custom]	0.118 in
Type	Class AB
Voltage - Supply [Max]	5.5 V
Voltage - Supply [Min]	2.2 V

LM4889 Series

1 Watt Audio Power Amplifier

Part	Package / Case	Package / Case [y]	Package / Case [x]	Mounting Type	Features	Operating Temperature [Max]	Operating Temperature [Min]	Output Type	Type	Voltage - Supply [Max]	Voltage - Supply [Min]	Max Output Power x Channels @ Load [x]	Max Output Power x Channels @ Load [custom]	Supplier Device Package	Package / Case [custom]	Package / Case
Texas Instruments LM4889MAX/NOPB	8-SOIC	3.9 mm	0.154 in	Surface Mount	Depop Shutdown Thermal Protection	85 °C	-40 °C	1-Channel (Mono)	Class AB	5.5 V	2.2 V	1 1 W	8 Ohm	8-SOIC
Texas Instruments LM4889MA/NOPB	8-SOIC	3.9 mm	0.154 in	Surface Mount	Depop Shutdown Thermal Protection	85 °C	-40 °C	1-Channel (Mono)	Class AB	5.5 V	2.2 V	1 1 W	8 Ohm	8-SOIC
Texas Instruments LM4889ITL	8-WFBGA DSBGA			Surface Mount	Depop Shutdown Thermal Protection	85 °C	-40 °C	1-Channel (Mono)	Class AB	5.5 V	2.2 V	1 1 W	8 Ohm	8-DSBGA
Texas Instruments LM4889MMX/NOPB	8-MSOP 8-TSSOP			Surface Mount	Depop Shutdown Thermal Protection	85 °C	-40 °C	1-Channel (Mono)	Class AB	5.5 V	2.2 V	1 1 W	8 Ohm		0.118 in	3 mm
Texas Instruments LM4889MM/NOPB	8-MSOP 8-TSSOP			Surface Mount	Depop Shutdown Thermal Protection	85 °C	-40 °C	1-Channel (Mono)	Class AB	5.5 V	2.2 V	1 1 W	8 Ohm		0.118 in	3 mm
Texas Instruments LM4889ITLX/NOPB	8-WFBGA DSBGA			Surface Mount	Depop Shutdown Thermal Protection	85 °C	-40 °C	1-Channel (Mono)	Class AB	5.5 V	2.2 V	1 1 W	8 Ohm	8-DSBGA
Texas Instruments LM4889LD/NOPB	10-WFDFN Exposed Pad			Surface Mount	Depop Shutdown Thermal Protection	85 °C	-40 °C	1-Channel (Mono)	Class AB	5.5 V	2.2 V	1 1 W	8 Ohm	10-WSON (3x4)

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

Digikey	Cut Tape (CT)	1	$ 0.88
		10	$ 0.79
		25	$ 0.75
		100	$ 0.61
		250	$ 0.57
		500	$ 0.51
		1000	$ 0.40
	Digi-Reel®	1	$ 0.88
		10	$ 0.79
		25	$ 0.75
		100	$ 0.61
		250	$ 0.57
		500	$ 0.51
		1000	$ 0.40
	Tape & Reel (TR)	3500	$ 0.37
		7000	$ 0.35
		10500	$ 0.34
		24500	$ 0.33
Texas Instruments	LARGE T&R	1	$ 0.65
		100	$ 0.50
		250	$ 0.37
		1000	$ 0.26

Description

General part information

LM4889 Series

The LM4889 is an audio power amplifier primarily designed for demanding applications in mobile phones and other portable communication device applications. It is capable of delivering 1 watt of continuous average power to an 8Ω BTL load with less than 2% distortion (THD+N) from a 5VDCpower supply.

Boomer audio power amplifiers were designed specifically to provide high quality output power with a minimal amount of external components. The LM4889 does not require output coupling capacitors or bootstrap capacitors, and therefore is ideally suited for mobile phone and other low voltage applications where minimal power consumption is a primary requirement.

The LM4889 features a low-power consumption shutdown mode, which is achieved by driving the shutdown pin with a logic low. Additionally, the LM4889 features an internal thermal shutdown protection mechanism.

Documents

Technical documentation and resources

LM4889 1 Watt Audio Power Amplifier datasheet (Rev. H)

Data sheet