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PDF YDA136 Data sheet ( Hoja de datos )
| Número de pieza | YDA136 | |
| Descripción | STEREO 60W-100W DIGITAL AUDIO POWER AMPLIFIER CONTROLLER | |
| Fabricantes | YAMAHA CORPORATION | |
| Logotipo |  |
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YDA136
D- 60
STEREO 60W-100W DIGITAL AUDIO POWER AMPLIFIER CONTROLLER
■Outline
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=6Ω)
and 100Wx2ch (Supplied voltage=40V, RL=6Ω).
YDA136 has 24bit 192kHz (max) DAC and 6 to -73dB（1dB Step） 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’s 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.
■Features
・High Output Power
100W (VBB=40V, RL=6Ω)
60W (VBB=32V, RL=6Ω)
www.DataShe・eLt4oUw.cDomistortion Rate(THD+N)
0.05% (Po=50W, 1kHz, RL=6Ω, at digital input)
0.03% (Po=50W, 1kHz, RL=6Ω, at analog input)
・High S/N Ratio
100dB (VBB=40V, A-filter, Gain=21.7+6dB, RL=6Ω,
at digital input
・Low Residual Noise
100µV (VBB=40V, Gain=21.7+6dB, at digital input)
70µV (VBB=40V, Gain=21.7+6dB, at analog input)
・Channel Separation
80dB (1kHz, Po=50W)
・ Supports 24bit Digital input and Analog input
・ Built-in 6 to -73dB（1dB Step） of electron volume
・ Multi-channel synchronous operation by switching
Master/Slave function.
・ Protect reset function
・ Hard mute function
・ Monophonic function
・ Unusual operation detection protection function
(Over current, Supplied voltage, Speaker terminal
short, Clock stop, Heat）
・ Pop noise rejection function at the time of
power-up
・ 100 pin plastic SQFP
Pin lead plating with Pd-free (YDA136-SZ)
YDA136 CATALOG
CATALOG No.:LSI-4DA136A20
2005.4
1 page  
YDA136
■Block Diagram
www.DataSheet4U.com
5
5 Page 
YDA136
■Terminal Condition in each Mode
●Operation Mode
YDA136 becomes an operation mode as the following table by the state in each input terminal.
Over Current
Detection
Power Detection
Low Voltage
Detection Mode
---
---
---
-
-
-
- < VIB - - -
- - < VVB - -
- - - < VVD -
- Hi-z H L H L
- Hi-z H L H L
- Hi-z H L H L
Protect Reset Mode L - -
-
-
High temperature
Detection Mode
H
-
-
Hardware Mute
Mode
HL -
-
-
-
-
Over Current
Detection Mode
H H - > VOC1
-
HH -
- < VOC2
Clock Stop
Detection Mode
HH
-
< VOC1
< VOC1
> VOC2
HH - ↑
↑
Stereo Mode H H L ↑
↑
Monaural Mode H H H ↑
↑
> VIB
↑
↑
↑
↑
↑
↑
↑
↑
> VVB
↑
↑
↑
↑
↑
↑
↑
↑
> VVD
↑
↑
↑
↑
↑
↑
↑
↑
- - Hi-z H
- > Tmax L H
- < Tmax Hi-z H
- - LH
- - LH
< FC1 < Tmax Hi-z H
> FC2
> FC1
< FC2
↑
↑ Hi-z H
↑ Hi-z P
↑ Hi-z P
LHL
LHL
LHL
LHL
LHL
LHL
LHL
PPP
P *1 L
www.DataSheet4U.com
Note:
1) “-“ means all input conditions.
2) “H” means “H” level, and “L” means “L” level. In addition, “P” means “Pulse oscillation condition”.
3) “*1” means indefinite state.
4) Rch over current detection terminal “OCPLR and OCPHR” can not be operated in Monophonic mode.
5) In the over current detection mode, the mode is continued even if it goes out of the over current condition.
The over current detection mode is canceled by protect reset mode.
6) All registers are initialized when VDD2 voltage (VDD-VSS) becomes below VVD in the low voltage
detection modes.
7) When YDA136 it-self heats higher than the unusual temperature (Tmax), it will become a high temperature
detection mode.
●Digital Audio Signal Input Mode / Analog Audio Signal Input Mode
YDA136 can input both Digital Audio Signal and Analog Audio Signal.
In case of input for the digital audio signal, be sure to connect DAC output terminal (AOL, AOR) and electron volume
input terminal (AIL, AIR) through capacitor for DC cut.
In addition, in case of input for the analog audio signal; be sure to connect an analog audio signal to electron volume input
terminal (AIL,AIR) through a capacitor for DC cut.
At this time, the output of DAC can be made into High-Z by setting the DAC input format of a control register as MODE8.
11
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| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet YDA136.PDF ] | |
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