Datasheet Texas Instruments LM49100 — 数据表

LM49100
www.ti.com LM49100 SNAS392F – JUNE 2007 – REVISED MAY 2013 Mono Class AB Audio Sub-System with a TrueGround Headphone Amplifier
Check for Samples: LM49100 FEATURES APPLICATIONS 1 2 Mono and Stereo Inputs
Thermal Overload Protection
True-Ground Headphone Drivers
I2C Control Interface
Input Mute Attenuation
2nd Stage Headphone Attenuator
32-Step Digital Volume Control
10 Operating Modes
Minimum External Components
Click and Pop Suppression
Micro-Power Shutdown
Available in Space-Saving 3mm x 3mm
25-Bump csBGA Package
RF Suppression KEY SPECIFICATIONS Power Output at VDD = 5V:
– Loudspeaker (LS):
– RL = 8Ω, THD+N ≤: 1% 1.275W
– Headphone (VDDHP = 2.8V):
– RL = 32Ω, THD+N ≤ 1%: 50mW
Shutdown current 0.01ОјA Mobile Phones
PDAs
Laptops …