SA4871
3W Mono Low-
Voltage Audio Power Amplifier
Features
General Description
• Operating
Voltage : 2.
5V-5.
5V
• Bridge-Tied Load (BTL) Mode Operation
• • •
Supply Current – IDD=7mA at VDD=5V Low Shutdown Current – IDD=0.
1µA Low Distortion
–2.
5W, at VDD=5V, BTL, RL=3Ω
The SA4871 is a bridged-tied load (BTL) audio power amplifier developed especially for low-
voltage applications where internal speakers.
Operating with a 5V supply, the SA4871 can deliver 3.
3W of continuous power into a BTL 3Ω load at 10% THD+N
THD+N=0.
1%
throughout voice band frequencies.
Although this
–2.
1W, at VDD=5V, BTL, RL=4Ω
device is characterized out to 20kHz, its operation is
THD+N=0.
1%
optimized for nar...