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YDA136 View Datasheet(PDF) - Yamaha Corporation

Part NameDescriptionManufacturer
YDA136 STEREO 60W-100W DIGITAL AUDIO POWER AMPLIFIER CONTROLLER Yamaha
Yamaha Corporation Yamaha
YDA136 Datasheet PDF : 32 Pages
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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
H- -
-
-
Detection Mode
Hardware Mute
Mode
HL -
-
-
Over Current
Detection Mode
H H - > VOC1
-
HH -
-
< VOC2
Clock Stop
Detection Mode
H H - < 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
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.
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