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
Series
LM49270
RoHS
Yes
Package / Case
28-WFQFN Exposed Pad
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
2.4V ~ 5.5V
Lifecycle Status
Active
Features
3D, Depop, I²C, Short-Circuit and Thermal Protection, Shutdown, Volume Control
Type
Class D
Output Type
2-Channel (Stereo) with Stereo Headphones
Related Parts Comparison (LM49270SQ/NOPB vs LM21305SQX/NOPB vs LM21305SQE/NOPB vs LM10500SQX-0.8/NOPB)
Side-by-side specifications of related catalog parts.
Engineering verification required. Related parts may have different electrical ratings, pinouts, footprints, and operating limits. Verify suitability for your circuit before substitution.
| This Part | Related Part | Related Part | Related Part | |
|---|---|---|---|---|
| Series | LM49270 | LM21305 | LM21305 | LM10500 |
| 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 |
| RoHS | Yes | Yes | Yes | Yes |
| Lifecycle Status | Active | Active | Active | Active |
| Package | WFQFN-28 | WQFN (RSG)-28 | WQFN (RSG)-28 | WQFN (RSG)-28 |
| Type | Class D | Voltage Converter | Voltage Converter | Voltage Converter |
| Unit Weight | 0.001683 oz | 0.001411 oz | 0.001411 oz | 0.001411 oz |
| Supply Voltage | 2.4V ~ 5.5V | -- | 3 V | 3V ~ 18V |
| Output Type | 2-Channel (Stereo) with Stereo Headphones | Adjustable | Adjustable | -- |
| Switching Frequency | -- | 300kHz ~ 1.5MHz | 300kHz ~ 1.5MHz | 300 kHz to 1.5 MHz |
| Action |
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