MOSA
2
MS6864
Dual 2W Power Amplifiers with Volume Control
Dual 2W Power Amplifier, I C interface
Stereo Input with Volume Control
FEATURES
•Operation
range: 2.4V ~ 6.5V
•Volume
control range
Gain: 0 to 21dB, 3dB/step
Attenuation: 0 to -77.5dB, 1.25dB/step
•Output
mode : Speaker( BTL)/Headphone(SE)
•BTL
Output power
R
L
=4 , 2W at 5V, 0.8W at 3.3V, 360mW at 2.4V
R
L
=8 , 1.3W at 5V, 0.53W at 3.3V, 250mW at 2.4V
•SE
Output power
R
L
=32 , 93mW at 5V, 35mW at 3.3V, 15mW at 2.4V
•Control
interface : I
2
C
•Excellent
Power Supply Rejection Ratio(PSRR)
•Flexibility
power management
•Component
less
•Reduce
pop noise circuit
•Housed
in TSSOP16(enhanced thermal PAD) ,
SSOP20(209mils) package
APPLICATIONS
Multimedia system, Portable Digital Audio.
DESCRIPTION
The MS6864 is low distortion stereo power amplifier (SE/BTL) integrated volume control. It can drive 2W of
continuous average power into a dual 4 bridged-tied (BTL) speaker or 2 * 90mW into stereo 32 single ended (SE)
headphone. The volume control offers wide range of gain and attenuation for stereo input. All of the functions are easy
setting that can be set by I2C interface.
The MS6864 has good features for portable equipment, including wide voltage operation 2.4V~6.5V, low power
consumption, power management, component less, make the MS6864 ideally suitable for use in the portable digital
audio equipments.
BLOCK DIAGRAM
REV 2
1/21
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MOSA [ MOSA ELECTRONICS ]
