| Products | Interface | 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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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. Also, see datasheet disclaimer.
, , indicate product status. Click or for more or less detail.
for datasheet. Also, see datasheet disclaimer. , , indicate product status. Click or for more or less detail.
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