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YDA136

D- 60

STEREO 60W-100W DIGITAL AUDIO POWER AMPLIFIER CONTROLLER

鈻燨utline

YDA136 (D-60) is a high efficient and high output digital audio power amplifier controller IC.

By combining a general purpose PowerMOSFET (hereafter called PowerMOSFET) which is connected with YDA136

and BTL, it is able to compose a high efficient audio power amplifier such as 60Wx2ch (Supplied voltage=32V, RL=6鈩?

and 100Wx2ch (Supplied voltage=40V, RL=6鈩?.

YDA136 has 24bit 192kHz (max) DAC and 6 to -73dB錛?dB Step錛?of electron volumes in addition to a digital amplifier

controller, and supports a digital audio signal input. Furthermore, it also supports an analog audio signal input with DAC

bypasses.

YDA136 realizes a high-standing audio characteristic that is lower noise and distortion rate by performing an analog

feedback from PowerMOSFET output, and by using Yamaha鈥檚 unique modulation method.

YDA136 also equips a function (Over current detection function) which protects a circuit from a short of speaker output

terminal (after the LC filter) and a function (Supplied voltage detection function) which prevents a malfunction by

detecting a power supply falling.

Moreover, it has a function (Clock stop detection function) to protect a circuit by detecting a stop termination of PWM

carrier clock and a function (High-temperature detection function) to protect a circuit by detecting the unusual

high-temperature condition of it-self.

At last, by making three YDA136 to daisy-chain connection, the audio system of 6ch is easily realizable.

鈻燜eatures

銉籋igh

Output Power

100W (VBB=40V, R

L

=6鈩?

60W (VBB=32V, R

L

=6鈩?

銉籐ow

Distortion Rate(THD+N)

0.05% (Po=50W, 1kHz, R

L

=6鈩? at digital input)

0.03% (Po=50W, 1kHz, R

L

=6鈩? at analog input)

銉籋igh

S/N Ratio

100dB (VBB=40V, A-filter, Gain=21.7+6dB, R

L

=6鈩?

at digital input

銉籐ow

Residual Noise

100碌V (VBB=40V, Gain=21.7+6dB, at digital input)

70碌V (VBB=40V, Gain=21.7+6dB, at analog input)

銉籆hannel

Separation

80dB (1kHz, Po=50W)

銉?/div>

Supports 24bit Digital input and Analog input

銉?/div>

Built-in 6 to -73dB錛?dB Step錛?of electron volume

銉?/div>

Multi-channel synchronous operation by switching

Master/Slave function.

銉?/div>

Protect reset function

銉?/div>

Hard mute function

銉?/div>

Monophonic function

銉?/div>

Unusual operation detection protection function

(Over current, Supplied voltage, Speaker terminal

short, Clock stop, Heat錛?/div>

銉?/div>

Pop noise rejection function at the time of

power-up

銉?/div>

100 pin plastic SQFP

Pin lead plating with Pd-free (YDA136-SZ)

YDA136 CATALOG

CATALOG No.:LSI-4DA136A20

2005.4

型號(hào)

版本

描述

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YDA136 Datasheet

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