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YDA142 Datasheet

  • YDA142

  • D- 3D DIGITAL INPUT STEREO 9.5W DIGITAL AUDIO POWER AMPLIFIE...

  • 1006.60KB

  • 18頁(yè)

  • YAMAHA

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YDA142
D- 3D
DIGITAL INPUT STEREO 9.5W DIGITAL AUDIO POWER AMPLIFIER
鈻燨verview
YDA142 (D-3D) is a 12V single supply voltage, high-efficiency digital audio power amplifier IC.
An audio power amplifier with a maximum output of 9.5W (R
L
=8鈩? 脳 2ch or 19W (R
L
=4鈩? 脳 1ch can be configured with
one chip.
YDA142 has a 鈥淧ure Pulse Direct Speaker Drive Circuit鈥?that directly drives speakers while reducing distortion of a pulse
output signal and reducing noise on a signal, and it realizes the highest standard low distortion rate characteristics and low
noise characteristics as compared with those of digital amplifier ICs in the same class. The circuit allows you to design a
circuit with as few external parts as possible depending on use conditions because any filter is no longer required.
It is possible to input a left-justified or right-justified 16bit/8bit digital audio signal of 32kHz, 44.1kHz, or 48kHz.
In addition, YDA142 has a gain setting function in 32-level (analog setting) or 8-level (terminal setting).
YDA142 has Over-current Protection function for speaker output terminals, IC Thermal Protection function, POP Noise
Reduction function, and DC Input Detection function as well as Power-down function and Output Disable function.
鈻燜eatures
銉籑aximum
Output
9.5 W脳2ch (V
DDP
=12.0V, R
L
=8鈩? THD+N=10%, MONO=L, GAIN[2:0]=H,L,L)
19 W脳1ch (V
DDP
=12.0V, R
L
=4鈩? THD+N=10%, MONO=H, GAIN[2:0]=H,L,L)
銉籈fficiency
90 % (V
DDP
=12.0V, R
L
=8鈩? Po=9.5W)
銉籇istortion
Rate (THD+N)
0.05 % (V
DDP
=12.0V, R
L
=8鈩? Po=1.0W, GAIN[2:0]=H,L,L)
銉籗/N
Ratio
100dB (V
DDP
=12.0V, R
L
=8鈩? Po=9.5W, GAIN[2:0]=H,L,L)
銉籆hannel
Separation Ratio
-78dB (V
DDP
=12.0V)
銉籗upply
voltage Range
9.0V to 13.5V
銉?-wire
Digital Signal Input
Fs: 32kHz/44.1kHz or 48kHz, Bits: 16bit or 18bit
銉籊ain
Setting Function with GAIN[2:0] and GAINA terminal
銉籔ower-down
Function with SLEEPN terminal
銉籓utput
Mute Function with MUTEN terminal
銉籑onaural
Output Function with MONO terminal
銉籔rotection
Functions (Over-current Protection, Thermal Protection, Clock Stop protection, Under-voltage Malfunction
Prevention, DC Input Detection)
銉籔op-noise
Reduction Function
銉籇igital
Input/BTL(Bridge-Tied Load) output
銉籔ackage
Lead-free 52-pin SSOP (YDA142-EZ)
YDA142 CATALOG
CATALOG No.:LSI-4DA142A20
2006.4

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