performance
Miscellaneous
·Embedded 8-bit MCU
·Clock generation from a single 24MHz crystal
·Supports I2C interface with bypass mode
·Operating voltage: 3.3V and 1.2V
·48-pin LQFP package
3、 Audio power amplifier RENESAS R2A15112
R2A15112FP is a Digital Power Amplifier IC developed for TV.
R2A15112FP has a maximum power of 15W(typ) × 2ch.
(VD = 24V,THD = 1%, SE) at a 4 Ω load.
It is possible to replace a conventional analog amplifier
with a digital amplifier easily.
●Maximum power out put (No external heat sink)
(note) These apply when the thermal pad is soldered to
the printed-circuit board directly.
Recommended Power Condition
SE operation mode :15Wx2ch(VD=24V,4Ω load,THD+N:1%）
BTL operation mode:30Wx1ch(VD=21V,8Ω load,THD+N:10%）
●Highly efficient, low noise, and low distortion
●Popless
●Built-in protection - Overcurrent, overheat, and undervoltage
●Built-in Mute and Standby function
●The gain can be changed to four settings by two terminals.
●Power supply voltage : 11V to 25V
●Speaker Impedance : from 4 to 8Ω
Under Voltage
Detection
Over Temp.
Detection
Over Current
Detection
Control
Logic
STBYL
GND
IN1
A
MUTEL
PROT
CBIAS
A
IN2
PWM
Gen.
PWM
Gen.
Oscillator
ROSC
GAIN1 GAIN2
SE/BTL
Selector
OUT1
HB1
VD1
VS1
OUT2
VD2
VS2
HB2
DVDD
AVCC
♪
♪
♪
♪
R
L
CLOCK
VREF
10V
5V
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