While bridged amplifier configurations are able to provide high power levels, they also consume four times more power than a conventional single-ended solution. However, it is feasible to conservatively design a 100W bridged amplifier solution, as will be shown here.
The bridged solution is designed to drive an 8Ω nominal load for self-powered speaker or powered subwoofer applications.
| Manufacturer | Texas Instruments |
|---|---|
| Category | Audio Amplifiers |
| Eval Board |
Board not Stocked
|
| Amplifier Type |
Class AB
|
| Number of Outputs |
Mono
|
| Output Power (RMS) @ Load |
100 W @ 8 Ω
|
| Voltage In |
±10 ~ ±42 V
|
| THD+N (1kHz) @ Conditions |
< 0.002% @ 100W (8 Ω, ±25.5V)
|
| Features |
Mute
Over Current Protection Thermal Protection Turn On/Off Depop Under Voltage Protection, Brown-Out |
| Efficiency @ Conditions |
- Not Given
|
| Standby Current [Typical] | |
| Quiescent Current [Typical] | |
| Component Count + Extras |
18 + 0
|
| Application / Target Market |
Audio: Home Theater Systems
Audio: Powered Speakers |
| Design Author |
Texas Instruments
|
| Main I.C. Base Part |
LM3886
|
| Quiescent Current [Maximum] |
106 mA
|
| Standby Current [Maximum] | |
| Date Created By Author | |
| Date Added To Library | 2011-03 |
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