Datasheet Texas Instruments LM4936MHX/NOPB — 数据表

LM4936
www.ti.com SNAS269A – APRIL 2005 – REVISED APRIL 2013 LM4936 Boomer™ Audio Power Amplifier Series Stereo 2W Audio Power Amplifiers with
Volume Control and Selectable Control Interface (SPI or I2C)
Check for Samples: LM4936 FEATURES DESCRIPTION 1 23 2 Selectable SPI or I C Control Interface
System Beep Detect
Stereo Switchable Bridged/Single-Ended
Power Amplifiers
Selectable Internal/External Gain and Bass
Boost
“Click and Pop” Suppression Circuitry
Thermal Shutdown Protection Circuitry
Headphone Sense APPLICATIONS Portable and Desktop Computers
Multimedia Monitors
Portable Radios, PDAs, and Portable TVs KEY SPECIFICATIONS PO at 1% THD+N
– into 3Ω, 2.2W (Typ)
– into 4Ω, 2.0W (Typ)
– into 8Ω, 1.25W (Typ)
Single-ended mode -THD+N at 90mW into
32О©, 1% (Typ)
Shutdown current, 0.7ВµA (Typ) The LM4936 is a monolithic integrated circuit that
provides volume control, and stereo bridged audio
power amplifiers capable of producing 2W into 4Ω (1)
with less than 1% THD or 2.2W into 3Ω (2) with less …