LM49450SQ/NOPB Texas Instruments - Yeehing Electronics

2.5-W, stereo, digital input Class-D amp with 36-mW headphone amp & 3D enhancement

Pricing (USD)

Quantity	Unit Price
1 — 99	3.632
100 — 249	2.961
250 — 999	2.327
1,000 +	1.38

The above prices are for reference only.

Specifications

Manufacturer	Texas Instruments
Product Category	Audio Amplifiers
RoHS	Y
Series	LM49450
Product	Audio Amplifiers
Class	Class-D
Output Power	2.5 W
Mounting Style	SMD/SMT
Type	2-Channel Stereo with Headphone
Package / Case	WQFN-32
Audio - Load Impedance	32 Ohms
THD plus Noise	0.04 %
Supply Voltage - Max	5.5 V
Supply Voltage - Min	1.8 V
Minimum Operating Temperature	- 40 C
Maximum Operating Temperature	+ 85 C
Packaging	Reel
Description/Function	Headphone/Speaker
Height	0.8 mm
Input Type	Single
Length	5 mm
Output Type	2-Channel Stereo
Supply Type	Hex
Width	5 mm
Brand	Texas Instruments
Number of Channels	2 Channel
Supply Current - Max	18 mA
Dual Supply Voltage	3 V, 5 V
Maximum Dual Supply Voltage	2.7 V, 4.5 V, 5.5 V
Minimum Dual Supply Voltage	1.8 V, 2.7 V
Operating Supply Current	14 mA
Operating Supply Voltage	1.8 V to 5.5 V
Output Signal Type	Differential, Single
Product Type	Audio Amplifiers
PSRR - Power Supply Rejection Ratio	70 dB
SNR - Signal to Noise Ratio	102 dB
Factory Pack Quantity	1000
Subcategory	Audio ICs
Unit Weight	0.001933 oz

For more information, please refer to datasheet

Documents

LM49450SQ/NOPB Datasheet

More Information

The LM49450 is a fully integrated audio subsystem designed for portable media player applications. The LM49450 combines a 24-bit I2S digital-to-analog converter (DAC), 2.5W/channel stereo Class D speaker drivers, 36mW stereo ground referenced headphone drivers, volume control, and TI’s unique 3D sound enhancement into a single device.