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YDA143 Datasheet

  • YDA143

  • D- 3M STEREO 15W DIGITAL AUDIO POWER AMPLIFIER

  • 22頁(yè)

  • YAMAHA

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YDA143
D- 3M
STEREO 15W DIGITAL AUDIO POWER AMPLIFIER
鈻燨verview
YDA143 (D-3M) is a high efficient digital audio power amplifier IC that operates with a single 12V power supply.
An audio power amplifier with a maximum output of 15W (R
L
=4鈩?脳2ch can be configured with one chip.
YDA143 has a 鈥淧ure Pulse Direct Speaker Drive Circuit鈥?which directly drives speakers while reducing distortion of
pulse output signal and reducing noise on the signal, and realizes the highest standard low distortion rate characteristics
and low noise characteristics as 15W-class of output digital amplifier IC.
In addition, circuit design with fewer external parts can be made depend on the condition of use because corresponds to
filter less.
YDA143 has 50mW (R
L
=32鈩?脳2ch Class AB headphone amplifiers.
YDA143 provides Over-current protection function for speaker output terminals, IC thermal protection function, and POP
noise reduction function as well as power-down function and output mute function.
鈻燜eatures
Digital Amplifier
銉籆ontinuous
maximum output
15 W脳2ch (V
DDP
=12.0V, R
L
=4鈩? THD+N=10%)
銉籈fficiency
87 % (V
DDP
=12.0V, R
L
=4鈩? Po=15W)
銉籇istortion
Rate (THD+N)
0.04 % (V
DDP
=12.0V, R
L
=4鈩? Po=1.5W)
銉籗/N
Ratio
103dB (V
DDP
=12.0V, R
L
=4鈩? Po=15W, GAIN[1:0]=H,H)
銉籆hannel
Separation
-65dB (V
DDP
=12.0V, R
L
=4鈩? GAIN[1:0]=H,H)
Class AB Headphone Amplifier
銉籑aximum
output
50mW脳2ch (V
DDP
=12.0V, R
L
=32鈩? THD+N=10 %)
銉籇istortion
Rate(THD+N)
0.01 % (V
DDP
=12.0V, R
L
=32鈩? P
ho
=25mW)
銉籗/N
Ratio
95dB (V
DDP
=12.0V, R
L
=32鈩? P
ho
=50mW, GAIN[1:0]=H,H)
Others
銉籓perating
power supply range
9.0V to 13.5V
銉籑ulti-channel
synchronizing operation by
Master/Slave switching function
銉籆arrier
frequency switching function
524kHz/466kHz
銉籗leep
function with SLEEPN terminal
銉籓utput
muting function with MUTEN terminal
銉籓ver-current
protection function
銉籘hermal
protection function
銉籆lock
stop protection function
銉籔op
noise reduction function
銉籄nalog
input/BTL (Bridge-Tied Load) output
銉籐ead-free
52-pin SSOP (YDA143-EZ)
YDA143 CATALOG
CATALOG No.:LSI-4DA143A20
2006.6

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