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NXP SA58670 Stereo Class-D Audio Amplifier Datasheet
The NXP SA58670 is a stereo, filter-free class-D audio amplifier available in an HVQFN20 package with an exposed Die Attach Paddle. It features independent shutdown controls for each channel and selectable gain settings of 6 dB, 12 dB, 18 dB, or 24 dB via gain select pins.
The device delivers 2.1 W per channel into 4 Ohms at 5.0 V and 1.4 W per channel into 8 Ohms at 5.0 V. It includes thermal and short-circuit shutdown protection and is designed for applications such as cellular handsets, PDAs, portable DVD players, and USB speakers.
NXP SA58670A specifications
| Output power (8 Ohm, 5.0 V) | 1.4 W/channel |
|---|---|
| Supply voltage range | 2.5 V to 5.5 V |
| Selectable gain | 6 dB, 12 dB, 18 dB, 24 dB |
| Package type | HVQFN20 |
| Power efficiency (4 Ohm) | 70% to 74% |
| Power efficiency (8 Ohm) | 84% to 88% |
| Shutdown current | 1000 nA max |
Source: NXP SA58670 Stereo Class-D Audio Amplifier Datasheet
All NXP SA58670A documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What gain settings are available for the SA58670?
Gain can be set to 6 dB, 12 dB, 18 dB, or 24 dB using the GO and G1 pins.
What are the recommended applications for this amplifier?
It is ideal for cellular handsets, PDAs, portable DVD players, USB speakers, and notebook PCs.
What supply voltage range does the amplifier support?
The SA58670A operates with a supply voltage between 2.5 V and 5.5 V.
Which applications is this amplifier suitable for?
It is ideal for wireless handsets, PDAs, portable DVD players, USB speakers, and notebook PCs.