Texas Instruments LM4946SQX/NOPB Amplifiers - Audio
IC AMP CLASS D MONO 1.3W 24WQFN
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
LM4946SQX/NOPB
Detailed Description
IC AMP CLASS D MONO 1.3W 24WQFN
Package
24-WFQFN Exposed Pad
Key Features
Package / Case: 24-WFQFN Exposed Pad; Mounting Type: Surface Mount
Lifecycle Status
Obsolete
RoHS State
RoHS Compliant
Datasheet
LM4946SQX/NOPB Datasheet
Quick Jump:
Technical Specifications
Texas Instruments LM4946SQX/NOPB Amplifiers - Audio technical specifications.
General
Package / Case
24-WFQFN Exposed Pad
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
2.7V ~ 5.5V
Features
3D, Depop, I²C, Mute, Shutdown, SPI, Thermal Protection, Volume Control
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
Alternate Parts Comparison (LM4946SQX/NOPB vs LM48511SQ/NOPB vs LM4863LQ/NOPB vs LM4868LQ)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 24-WFQFN Exposed Pad | 24-WFQFN Exposed Pad | 24-WFQFN Exposed Pad | 24-WFQFN Exposed Pad |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Supply Voltage | 2.7V ~ 5.5V | 3V ~ 5.5V | 2V ~ 5.5V | 2V ~ 5.5V |
| Features | 3D, Depop, I²C, Mute, Shutdown, SPI, Thermal Protection, Volume Control | Depop, Differential Inputs, Short-Circuit and Thermal Protection, Shutdown | Depop, Shutdown, Thermal Protection | Depop, Input Multiplexer, Shutdown, Thermal Protection |
| Max Output Power X Channels Load | 1.3W x 1 @ 8Ohm; 85mW x 2 @ 32Ohm | 6.7W x 1 @ 4Ohm | 3.2W x 2 @ 3Ohm; 440mW x 2 @ 8Ohm | 3W x 2 @ 3Ohm; 208mW x 2 @ 16Ohm |
| Output Type | 1-Channel (Mono) with Stereo Headphones | 1-Channel (Mono) | 2-Channel (Stereo) with Stereo Headphones | 2-Channel (Stereo) with Stereo Headphones |
| Type | Class D | Class D | Class AB | Class AB |
| Action |
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