Datasheet Texas Instruments LM4915 — 数据表

LM4915
www.ti.com LM4915 SNAS176A – MAY 2003 – REVISED MAY 2013 Pseudo-Differential Mono Headphone Amplifier
with Fixed 6dB Gain
Check for Samples: LM4915 FEATURES DESCRIPTION The LM4915 is a pseudo-differential audio power
amplifier
primarily
designed
for
demanding
applications in mobile phones and other portable
audio device applications with mono headphones. It
is capable of delivering 90 miliwatts of continuous
average power to a 32Ω BTL load with less than 1%
distortion (THD+N) from a 3VDC power supply. 1 2 Pseudo-Differential Amplification
Internal Gain-Setting Resistors
Available in Space-Saving WQFN Package
Ultra Low Current Shutdown Mode
Can Drive Capacitive Loads up to 500pF
Improved Pop & Click Circuitry Virtually
Eliminates Noises During Turn-On and TurnOff Transitions
2.2 -5.5V Operation
No Output Coupling Capacitors, Snubber
Networks, Bootstrap Capacitors or GainSetting Resistors Required …