Datasheet Texas Instruments LM48822 — 数据表

LM48822, LM48822TLEVAL
www.ti.com SNAS456C – MAY 2008 – REVISED MAY 2013 LM48822 Boomer ™ Ground-Referenced, Ultra High PSRR, Ultra Low Noise,
35mW/Channel Stereo Headphone Amplifier with Common Mode Sense, and I2C Volume
Control
Check for Samples: LM48822, LM48822TLEVAL FEATURES DESCRIPTION The LM48822 is a single supply, ground-referenced
stereo headphone amplifier designed for portable
devices, such as cell phones, where board space is
at a premium. The LM48822 features TI’s groundreferenced architecture, which eliminates the large
DC blocking capacitor required by traditional
headphone amplifiers, saving board space and
minimizing system cost. 1 23 Ground Referenced Outputs – Eliminates
Output Coupling Capacitors
Common-Mode Sense
Ultra-High PSRR
I2C Volume and Mode Control
High Output Impedance in Shutdown
Differential Inputs
Advanced Click-and-Pop Suppression
Low Supply Current
Minimum External Components
Micro-Power Shutdown
Available in Space-Saving 16-Bump DSBGA
Package APPLICATIONS Mobile Phones …