SAMHOP Microelectronics Corp.
3W STEREO AUDIO POWER AMPLIFIER WITH ADVANCED DC VOLUME CONTROL
GENERAL DESCRIPTION
The SM7497 is a stereo Class AB audio power
amplifier that drives 3 W/channel of continuous
RMS power into a 16-Ω load. Advanced dc volume
control minimizes external components.TV and
monitor benefit from the integrated feature set that
minimizes external components without sacrificing
functionality.
FEATURES
* 32-step DC volume control
* Mute and shutdown mode
* Short circuit and thermal protection
* SE and BTL selector
* 3 W Into 16 -Ω Speakers
* Input MUX
* Depop circuitry
APPLICATIONS
PIN ASSIGNMENTS (TOP VIEW)
LLINEIN
PV
DD
LOUT+
GND
LOUT-
SHUTDOWN
BYPASS
4
5
6
9
8
7
1
2
3
12
11
10
V
DD
RLINEIN
ROUT+
GND
ROUT-
SE/BTL
VOLUME
* Small panel LCD TV
* LCD Monitors
* Portable DVD
* Mini speaker
* Digital broadcast system
SM7497
HDIP 12PIN
Page 1
V.0.1 Sep 11,2007
SAMHOP [ SAMHOP MICROELECTRONICS CORP. ]
