IN-
IN+
GAIN
ENB
END
GND
PVDD
OUT+
OUT-
AGC
2.2 H
m
4.7
F - 22
F
m
m
2.2 F - 10 F
m
m
Differential
Audio Inputs
Gain Control
AGC Control
DC/DC Enable
Class-D Enable
Connected to Supply
TPA2015D1
Hardware Description
Features
Benefits
●
2 V into 8
Ω
at 3.6 V (6% THD)
●
36% Louder audio than the leading competition
●
Constant output power of 2 W (3.6 V
–
●
Consistent audio loudness across the Li-ion battery
5 V)
●
2.3-V to 5.2-V supply voltage
●
Direct connection to Li-ion/future battery technologies
●
Battery tracking AGC
●
Prevents early shutdown at low-battery voltage (
<
3 V)
●
Battery tracking SpeakerGuard
™
●
Protects speakers by preventing clipping
●
High efficiency (81%) (at 1 W and 3.6 V
●
Eliminates GSM/TDMA frame rate noise
●
Very high PSRR - 90 dB
●
27% Better efficiency results in
–
2x longer battery life
●
Ultralow quiescent current (1.7 mA)
●
~5x Lower quiescent current than the competition
●
Integrated input low-pass filter
●
Rejects out-of-band noise from codec/DAC by 30 dB
●
2 mm
×
2 mm, 0,5-mm pitch, 16-ball
●
20% Smaller package size than the competition
WCSP
Applications
●
Cell phones/smart phones
●
Personal navigation devices
●
Notebook PCs
●
Portable clocking stations
●
Portable DVD players
8
eZAudio TPA2015D1 Demonstration Kit
SLOU312
–
June 2011
Copyright
©
2011, Texas Instruments Incorporated