
For Reference Only
Part Number | LM4946TM/NOPB |
OEMstron Part # | LM4946TM-NOPB |
Manufacturer | Texas Instruments |
Category | Semiconductors › Linear ICs › Amplifiers - Audio |
Description | IC AUDIO SUBSYSTEM 1.3W D 25USMD |
Lifecycle | Discontinued |
RoHS | No RoHS Information |
EDA/CAD Models | LM4946TM/NOPB PCB Footprint and Symbol |
Warehouses | USA, Europe, China, Hong Kong SAR |
Estimated Delivery | Mar 17 - Mar 22 (Choose Expedited Shipping) |
Warranty | Up to 1 year [Limited-Warranty]* |
Payment | ![]() |
Shipping | ![]() |
LM4946TM/NOPB Specifications
Part Number | LM4946TM/NOPB | |
Brand | Texas Instruments | |
Lifecycle | Discontinued | |
RoHS | No RoHS Information | |
Product Line | Semiconductors | |
Category | Linear ICs | |
Subcategory | Amplifiers - Audio | |
Manufacturer | ||
Series | Boomer® | |
Type | Class D | |
Output Type | 1-Channel (Mono) with Stereo Headphones | |
Max Output Power x Channels @ Load | 1.3W x 1 @ 8Ohm; 85mW x 2 @ 32Ohm | |
Voltage - Supply | 2.7V ~ 5.5V | |
Features | 3D, Depop, I²C, Mute, Shutdown, SPI, Thermal Protection, Volume Control | |
Mounting Type | Surface Mount | |
Operating Temperature | -40°C ~ 85°C (TA) | |
Supplier Device Package | 25-uSMD | |
Package / Case | 25-WFBGA |
LM4946TM/NOPB Documents

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Global Supply Chains - Reliable and Authorized Distributor Resources
Part Number | Description | Stock |
LM4946TM/NOPB National Semiconductor Corporation |
N/A 1.3 W, 2 CHANNEL, AUDIO AMPLIFIER, PBGA25 ROHS COMPLIANT, MICRO, BUMP, SMD-25 |
3000 |
Part Number | Description | Stock |
LM4946TM/NOPB D# 2156-LM4946TM/NOPB-ND Rochester Electronics LLC |
AUDIO AMPLIFIER, 1.3W, 2 CHANNEL |
8973 In Stock |
Part Number | Description | Stock |
LM4946TMNOPB Rochester Electronics LLC |
OEM/CM QUOTES ONLY | NO BROKERS |
6929 |
Part Number | Description | Stock |
LM4946TMNOPB Texas Instruments |
OEM/CM ONLY |
788 |
Part Number | Description | Stock |
LM4946TM/NOPB D# NS-LM4946TM/NOPB Texas Instruments |
OEM/CM ONLY |
5622 |
Part Number | Description | Stock |
LM4946TM/NOPB National Semiconductor Corporation |
Audio Amplifier, 1.3W, 2 Channel(s), 1 Func, PBGA25 RoHS: Compliant
|
8973 |
Part Number | Description | Stock |
LM4946TM/NOPB National Semiconductor Corporation |
OEM/CM ONLY |
2766 |
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