Texas Instruments LM49270SQ/NOPB Microcontrollers
2.3-W, stereo Class-D audio amp with 155-mW headphone amp & 3D enhancement 28-WQFN -40 to 85
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
LM49270SQ/NOPB
Detailed Description
2.3-W, stereo Class-D audio amp with 155-mW headphone amp & 3D enhancement 28-WQFN -40 to 85
Package
28-WFQFN Exposed Pad
Lifecycle Status
Active
Datasheet
LM49270SQ/NOPB Datasheet
Quick Jump:
Technical Specifications
Texas Instruments LM49270SQ/NOPB Microcontrollers technical specifications.
General
Package / Case
28-WFQFN Exposed Pad
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
2.4V ~ 5.5V
Features
3D, Depop, I²C, Short-Circuit and Thermal Protection, Shutdown, Volume Control
Type
Class D
Output Type
2-Channel (Stereo) with Stereo Headphones
Max Output Power X Channels Load
2.2W x 2 @ 4Ohm; 177mW x 2 @ 16Ohm
Alternate Parts Comparison (LM49270SQ/NOPB vs LM21305SQX/NOPB vs LM21305SQE/NOPB vs LM10500SQX-0.8/NOPB)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 28-WFQFN Exposed Pad | 28-WFQFN Exposed Pad | 28-WFQFN Exposed Pad | 28-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 |
| Output Type | 2-Channel (Stereo) with Stereo Headphones | Adjustable | Adjustable | -- |
| Supply Voltage | 2.4V ~ 5.5V | -- | -- | 3V ~ 18V |
| Features | 3D, Depop, I²C, Short-Circuit and Thermal Protection, Shutdown, Volume Control | -- | -- | -- |
| Max Output Power X Channels Load | 2.2W x 2 @ 4Ohm; 177mW x 2 @ 16Ohm | -- | -- | -- |
| Type | Class D | -- | -- | -- |
| Switching Frequency | -- | 300kHz ~ 1.5MHz | 300kHz ~ 1.5MHz | -- |
| Function | -- | Step-Down | Step-Down | -- |
| Max Input Voltage | -- | 18V | 18V | -- |
| Min Input Voltage | -- | 3V | 3V | -- |
| Action |
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