The LM4861 is a bridge-connected audio power amplifier capable of delivering 1.1W of continuous average power to an 8Ω load with 1% THD+N using a 5V power supply.
Boomer audio power amplifiers were designed specifically to provide high quality output power with a minimal amount of external components using surface mount packaging. Since the LM4861 does not require output coupling capacitors, bootstrap capacitors, or snubber networks, it is optimally suited for low-power portable systems.
The LM4861 features an externally controlled, low-power consumption shutdown mode, as well as an internal thermal shutdown protection mechanism.
The unity-gain stable LM4861 can be configured by external gain-setting resistors for differential gains of up to 10 without the use of external compensation components. Higher gains may be achieved with suitable compensation.
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|Audio Input Type|
|Speaker Channels (Max)|
|Power Stage Supply (Min) (V)|
|Power Stage Supply (Max) (V)|
|Output Power (W)|
|Load (Min) (ohms)|
|THD + N @ 1 kHz (%)|
|Iq (Typ) (mA)|
|Analog Supply (V) (Min)|
|Analog Supply (V) (Max)|
|Operating Temperature Range (C)|
|-40 to 85|