Specification	LM4923LQ/NOPB

Features	Differential Inputs, Shutdown, Depop, Thermal Protection
Max Output Power x Channels @ Load	1, 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-WQFN Exposed Pad
Supplier Device Package	8-WQFN (2x2)
Type	Class AB
Voltage - Supply [Max]	5.5 V
Voltage - Supply [Min]	2.4 V

LM4923 Series

1.1-W, mono, fully differential analog input Class-AB audio amplifier

Part	Max Output Power x Channels @ Load	Operating Temperature [Max]	Operating Temperature [Min]	Features	Package / Case	Package / Case [custom]	Package / Case	Mounting Type	Output Type	Voltage - Supply [Min]	Voltage - Supply [Max]	Type	Supplier Device Package
Texas Instruments LM4923MMX/NOPB	1 1.1 W	85 °C	-40 °C	Depop Differential Inputs Shutdown Thermal Protection	8-MSOP 8-TSSOP	0.118 in	3 mm	Surface Mount	1-Channel (Mono)	2.4 V	5.5 V	Class AB
Texas Instruments LM4923LQX/NOPB	1 1.1 W	85 °C	-40 °C	Depop Differential Inputs Shutdown Thermal Protection	8-WQFN Exposed Pad			Surface Mount	1-Channel (Mono)	2.4 V	5.5 V	Class AB	8-WQFN (2x2)
Texas Instruments LM4923MM/NOPB	1 1.1 W	85 °C	-40 °C	Depop Differential Inputs Shutdown Thermal Protection	8-MSOP 8-TSSOP	0.118 in	3 mm	Surface Mount	1-Channel (Mono)	2.4 V	5.5 V	Class AB
Texas Instruments LM4923LQ/NOPB	1 1.1 W	85 °C	-40 °C	Depop Differential Inputs Shutdown Thermal Protection	8-WQFN Exposed Pad			Surface Mount	1-Channel (Mono)	2.4 V	5.5 V	Class AB	8-WQFN (2x2)

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	$ 1.87
		10	$ 1.68
		25	$ 1.59
		100	$ 1.35
		250	$ 1.27
		500	$ 1.11
	Digi-Reel®	1	$ 1.87
		10	$ 1.68
		25	$ 1.59
		100	$ 1.35
		250	$ 1.27
		500	$ 1.11
	Tape & Reel (TR)	1000	$ 0.92
		2000	$ 0.86
		5000	$ 0.83
		10000	$ 0.79
LCSC	Piece	1	$ 2.07
		200	$ 0.80
		500	$ 0.77
		1000	$ 0.76
Texas Instruments	SMALL T&R	1	$ 1.71
		100	$ 1.31
		250	$ 0.97
		1000	$ 0.69

Description

General part information

LM4923 Series

The LM4923 is a fully differential audio power amplifier primarily designed for demanding applications in mobile phones and other portable communication device applications. It is capable of delivering 1.1 watt of continuous average power to an 8Ω BTL load with less than 1% 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 LM4923 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 LM4923 features a low-power consumption shutdown mode. To facilitate this, Shutdown may be enabled by logic low. Additionally, the LM4923 features an internal thermal shutdown protection mechanism.

Documents

Technical documentation and resources

1.1W Fully Differential Audio Power Amp w/Shutdown Select datasheet (Rev. E)

Data sheet