Features
| • | Digital volume control range from +12dB to -33dB |
| • | LD and MSOP surface mount packaging |
| • | "Click and Pop" suppression circuitry |
| • | No bootstrap capacitors required |
| • | Low shutdown current |
Key Specification
THD+N at 1kHz, 105mW continuous average output power into 16 | 0.1% (typ) |
| THD+N at 1kHz, 70mW continuous average power into 32 | 0.1% (typ) |
| Shutdown Current | 0.3µA (typ) |
General Description
The LM4811 is a dual audio power amplifier capable of delivering 105mW per channel of continuous average power into a 16 load with 0.1% (THD+N) from a 5V power supply.
Boomer audio power amplifiers were designed specifically to provide high quality output power with a minimal amount of external components. More...
Applications
| • | Cellular Phones |
| • | MP3, CD, DVD players |
| • | PDA's |
| • | Portable electronics |
| |
Typical Application
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| Parameters | Values |
|---|
| Power@ 8Ohms, 1% THD |
0.15 Watt |
| Power@ 16Ohms, 1% THD |
0.13 Watt |
| Power@ 8Ohms, 10% THD |
0.18 Watt |
| Power@ 16Ohms, 10% THD |
0.16 Watt |
| THD |
0.03 % |
| PSRR |
60 dB |
| SNR |
106 dB |
| Channels |
2 Channels |
| THD Conditions |
Po=50mW @ R=32 ohms, f=20Hz to 20kHz |
| PSRR Conditions |
f=217 Hz |
| SNR Conditions |
Po=.08W |
| User Supply |
5 Volt |
| Shutdown Type |
High |
| Supply Range |
+2.0 - +5.5 V |
| Volume Control |
Up/Down |
| Exposed DAP |
Yes |
| Capless Headphone |
No |
| Temperature Min |
-40 deg C |
| Temperature Max |
85 deg C |
Typical Performance
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Connection Diagram
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RoHS Compliance Information
