| Products | Interface | Low Power Audio Amplifiers |
Low power audio amplifiers
Low power audio amplifiers |
Headphone Drivers
All of our headphone drivers have the following features:
- 2 Channel Class AB Operation
- -40 to +85 °C Operating Temperature Range
- 3V to 7V Single Supply (VDC)
- 1.5V to 3.5V Dual Supply (±VDC)
- 60mW Maximum Output Power at (THD + N)/S < 0.1%
- 5V/μs Slew Rate
- 25mW Maximum Power Dissipation
- Short Circuit Protection
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for datasheet. Click 
More... to access full product/package information.
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| SA58635 | 2 x 25mW class-G headphone driver with I2C-bus control | |
| TDA1308 | Class AB stereo headphone driver | |
| TDA1308A | Class AB stereo headphone driver (lower supply voltage capable TDA1308) | |
Speaker Amplifiers
All of our speaker amplifiers have the following features:
- Low Saturation Voltage of Output Stage
- Gain can be Fixed with External Resistors
- Low-Current Standby Mode Invoked by CMOS Compatible Levels
- No Switch-On/Switch-Off Plops
- High Supply Voltage Ripple Rejection
- Protected Against Electrostatic Discharge
- Short-Circuit Protection
- Thermal Shutdown Protection
Power Rating Examples
Following are sample power ratings under various operating conditions for continuous, sinewave-driven output.
The conditions listed are not necessarily recommended operating conditions, but rather are listed to show that the performance varies significanlty under different operating conditions.
Please consult datasheet for guaranteed performance under the specified operating conditions.
| Product | Package | Rth(j-a) | VCC | PO at 10% THD | PDMAX | Tamb(max) |
| TDA8541T | SO-8 | 160°C/W | 5V | 1 Channel x 1.2W at 8Ω | 0.62W | 50°C |
| TDA8542TS | SSOP-20 | 110°C/W | 3.3V | 2 Channels x 0.65W at 4Ω 2 Channels x 0.55W at 8Ω |
1.12W 0.6W |
27°C 84°C |
| 5V | 2 Channels x 1.2W at 8Ω 2 Channels x 0.7W at 16Ω |
1W 0.8W |
40°C 62°C |
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| TDA8542AT | SO-20 | 60°C/W | 6V | 2 Channels x 1.5W at 8Ω | 1.5W | 60°C |
| TDA8543T | SO-16 | 100°C/W | 5V | 1 Channel x 1.2W at 8Ω | 0.7W | 80°C |
| 7.5V | 1 Channel x 1.4W at 16Ω | 0.9W | 60°C | |||
| 9V | 1 Channel x 1.3W at 25Ω | 0.97W | 60°C | |||
| TDA8547TS | SSOP-20 | 110°C/W | 3.3V | 1 Channel x 1.2W at 4Ω 2 Channels x 1.2W at 4Ω 1 Channel x 0.6W at 8Ω 2 Channels x 0.6W at 8Ω |
0.58W 1.12W 0.3W 0.6W |
86°C 27°C 117°C 84°C |
| 5V | 1 Channel x 1.2W at 8Ω 2 Channels x 1.2W at 8Ω 1 Channel x 0.7W at 16Ω 2 Channels x 0.7W at 16Ω |
0.67W 1W 0.35W 0.7W |
76°C 40°C 112°C 73°C |
Click for datasheet. Click More... to access full product/package information.
for datasheet. Click More... to access full product/package information.
| SA58631 | 3W BTL audio amplifier | |
| SA58632 | 2 x 2.2W BTL audio amplifier | |
| SA58637 | 2 x 2.2W BTL audio amplifier | |
| SA58670 | 2.1W per channel stereo class-D audio amplifier | |
| SA58670A | 2.1W per channel stereo class-D audio amplifier | |
| SA58671 | 1.2W per channel stereo class D audio amplifier | |
| SA58672 | 3.0W per channel mono class-D audio amplifier | |
| TDA8541 | 1W BTL audio amplifier | |
| TDA8542 | 2 x 0.7W BTL audio amplifier | |
| TDA8543 | 2W BTL audio amplifier | |
| TDA8547 | 2 x 0.7W BTL audio amplifier with output channel switching | |
