EN
  • EN
  • DE
  • IT
loading
Mfr. Part No. Qty. Price

No items in the cart

View Cart
LM49450SQ Real Image
Same model may have multiple batches, images only for reference.

LM49450SQ

Part No LM49450SQ
Manufacturer National Semiconductor (TI)
Catalog Linear - Amplifiers - Audio
Description AUDIO AMPLIFIER, 1.2W, 2 CHANNEL
Sample
Rohs State Need to verify
ECAD Module
Need Help

Products specifications Report Issue?

Category Integrated Circuits (ICs) - Linear - Amplifiers - Audio Amplifiers
Mfr National Semiconductor (TI)
Series Boomer™
Package Bulk
Product Status Active
Type Class D
Output Type 2-Channel (Stereo) with Stereo Headphones
Max Output Power x Channels @ Load 2.5W x 2 @ 8Ohm
Voltage - Supply 2.7V ~ 5.5V
Mounting Type Surface Mount
Temperature Range - Operating -40°C ~ 85°C (TA)
Supplier Device Package 32-WQFN (5x5)
Package / Case 32-WFQFN Exposed Pad
Standard Package 139 pcs
ECCN EAR99
HTSUS 8542.33.0001
Win Source Part Number 923229-LM49450SQ
Ultra Librarian 3D Model Ultra Librarian LM49450SQ CAD Model

Description

The LM49450SQ is a Class D audio amplifier IC from National Semiconductor (TI).

  • Series: Boomer™
  • Package / Case: 32-WFQFN exposed pad
  • Voltage Supply: 2.7V to 5.5V
  • Output Power: 2.5W per channel @ 8Ohm load
  • Application: Stereo audio amplification
  • Operating Temperature: -40°C to 85°C
  • Packaging: Bulk
  • Product Status: Active

You May Also Be Interested in

LM4907LQ/NOPB Real Image
LM4907LQ/NOPB
Texas Instruments
IC AMP AUDIO PWR 1.07W MONO 8QFN
Need more? Email Us
Picture of SG1524F
SG1524F
Microchip Technology
Voltage Mode PWM Controller 5V 50mA Flat-Pack
Need more? Email Us
Picture of PTAS2770RJQT
PTAS2770RJQT
Texas Instruments
Digital Input Mono Class-D Audio Amplifier with Speaker IV Sense 26-VQFN-HR -40 to 85
Need more? Email Us
TLV320ADC6120IRTER Real Image
TLV320ADC6120IRTER
Texas Instruments
STEREO-CHANNEL, 768-KHZ, BURR-BR / ADC, Audio 7.35k ~ 768k I²C, I²S, TDM 20-WQFN (3x3)
Lowest to $3.6421
TDA749313TR Real Image
TDA749313TR
STMicroelectronics
IC AMP CLASS D STER 3W 24HTSSOP / Amplifier IC 2-Channel (Stereo) Class D 24-HTSSOP
Lowest to $2.1638
TPA2016D2RTJT Real Image
TPA2016D2RTJT
Texas Instruments
IC AMP CLASS D STEREO 2.8W 20QFN / Amplifier IC 2-Channel (Stereo) Class D 20-QFN (4x4)
Lowest to $16.0589
SA575NG Real Image
SA575NG
ON Semiconductor
IC COMPANDOR 20DIP / Audio Compandor 2 Channel 20-PDIP
Lowest to $3.0153
AZ386M Diodes Incorporated
AZ386M
Diodes Incorporated
IC AMP AUDIO LOW VOLT 8-SOIC
Lowest to $10.7667
Picture of PCM6020QRTVRQ1
PCM6020QRTVRQ1
Texas Instruments
AUTOMOTIVE 2-CHANNEL AUDIO ADC W / ADC, Audio 16 b, 20 b, 24 b, 32 b 768kHz DSP, I²C, I²S, SPI 32-WQFN (5x5)
Lowest to $6.2121

Top Sellers

BMM150 label picture
BMM150
Bosch Sensortec
SENSOR FLIPCORE/HALL SPI 12WLCSP / Geomagnetic Sensor
Lowest to $0.7128
74HC595D,118 label picture
74HC595D,118
Nexperia USA Inc.
Counter Shift Registers 8-bit serial-in, serial or parallel-out shift register with output latches; 3 - state
Lowest to $0.2376
ULN2803ADWR real image9675
ULN2803ADWR
Texas Instruments
TRANS 8NPN DARL 50V 0.5A 18SO
Lowest to $5.4647
FT230XS-R real image4301
FT230XS-R
FTDI, Future Technology Devices International Ltd
IC USB SERIAL BASIC UART 16SSOP
Lowest to $5.4647
FT4232HL real image4446
FT4232HL
FTDI, Future Technology Devices International Ltd
IC USB HS QUAD UART/SYNC 64-LQFP
Lowest to $13.5429
DRV8432DKD Real Image1
DRV8432DKD
Texas Instruments
IC BRIDGE DRIVER PAR 36HSSOP
Lowest to $21.6579
PI3740-00-LGIZ real image
PI3740-00-LGIZ
Vicor Corporation
DC DC CONVERTER 10-50V / 8V – 60VIN , 10V – 50VOUT , 50 – 140W Cool-Power ZVS Buck-Boost Regulator
Lowest to $30.8873
BAS516 Real Image
BAS516
Nexperia USA Inc.
DIODE GEN PURP 100V 250MA SOD523
Lowest to $0.0476
CY7C68013A-128AXC Real Image
CY7C68013A-128AXC
Cypress Semiconductor Corp
IC MCU USB PERIPH HI SPD 128LQFP
Lowest to $20.1955
AR8033-AL1A real image2016
AR8033-AL1A
Atheros
Ethernet TXRX Single Chip 1-Port 3.3V 10Mbps/100Mbps/1000Mbps 48-Pin QFN EP Tray
Lowest to $2.6155
BME280 Real Image
BME280
Bosch Sensortec
SENSOR PRESSURE HUMIDITY TEMP
Lowest to $4.2767
FT232RL-REEL Real Image
FT232RL-REEL
FTDI, Future Technology Devices International Ltd
IC USB FS SERIAL UART 28-SSOP
Lowest to $5.7023
FT230XS-U real image21586
FT230XS-U
FTDI, Future Technology Devices International Ltd
IC USB SERIAL BASIC UART 16SSOP
Lowest to $5.4647
NTA4153NT1G real image4110
NTA4153NT1G
ON Semiconductor
MOSFET N-CH 20V 915MA SOT-416
Lowest to $0.0594
FT4232HL-REEL real image4451
FT4232HL-REEL
FTDI, Future Technology Devices International Ltd
IC USB HS QUAD UART/SYNC 64-LQFP
Lowest to $13.5429

Pricing & Ordering

Quantity Unit Price Ext. Price
8+ $6.6201 $52.9608
19+ $5.4319 $103.2061
29+ $5.2621 $152.6009
40+ $5.0924 $203.6960
51+ $4.9226 $251.0526
68+ $4.4134 $300.1112
* Prices exclude shipping and taxes. Shipping costs are calculated at checkout.
Estimate Shipping
Enter your destination to get a shipping estimate
*
Availability: 12,321 pieces
MOQ: 8 pcs
Order Increment : 1 pcs
*Need More Quantity? *Request a Bulk Quantity Quotation?
Ordering Guidelines

Shipping Information

Shipped from HK warehouse
Expected Shipping Date
Ship today if order in (HKT)
Supplier Lead-Time Call for availability
Estimate shipping fee
Enter your destination to get a shipping estimate
Estimate Shipping Fee

Contact Us

*
*
*

FRAUD PREVENTION REMINDERS

Recently, We have discovered that criminals falsely claimed to be WIN SOURCE to commit fraud. Please note that the only official website & email suffix are win-source.group, win-source.net, winsourcectl.com and winsourceelec.com

More details about fraud prevention
About Us
Customer Service
Solutions
Copyright © 2026 WIN SOURCE. All rights reserved.
For detailed contact information and office addresses in our key locations, including Irvine, Munich, Toronto, Singapore, Seoul, Bangalore, Bologna, Yamanashi, Hong Kong, and Mainland China, please visit our website.
Trust Guard Security Scanned
RFQ RFQ RFQ BOM BOM BOM API API API Sell Sell Sell your Excess