English
Language : 

YDA138 Datasheet, PDF (16/20 Pages) YAMAHA CORPORATION – D- 3 STEREO 10W DIGITAL AUDIO POWER AMPLIFIER
YDA138
●Analog Characteristics (VSS=0V, VDDP=12V, Ta=25ºC, Frequency:1kHz, unless otherwise specified)
Digital Amplifier Section
Item
Condition
Symbol Min. Typ. Max. Unit
Maximum Output (stereo) (THD+N=10%) RL=8Ω
Maximum Output (mono) (THD+N=10%) RL=4Ω
10.0
W
PO
20.0
W
Voltage Gain (at 1V input sensitivity)
AV
18
dB
Total Harmonic Distortion Rate (stereo)
(BW: 20kHz)
RL=8Ω, PO=1.0W
0.02
%
THD+N
Total Harmonic Distortion Rate (mono)
(BW: 20kHz)
RL=4Ω, PO=10W
0.1
%
Signal /Noise Ratio
(BW: 20kHz A-Filter)
RL=8Ω, PO=10W,
VOL[1:0]=H,H
SNR
103
dB
Channel Separation Ratio
VOL[1:0]=H,H
CS
-70
dB
Maximum Efficiency
RL=8Ω, PO=10W
η
88
%
Output Offset Voltage
Vo
±20
mV
Note) All the values of analog characteristics were obtained by using our evaluation circumstance.
Depending upon parts and pattern layout to use, characteristics may be changed.
8Ω resistor and 30µH coil are used as an output load in order to obtain various digital amplifier characteristics.
Headphone Amplifier Section
Item
Condition
Symbol Min. Typ. Max. Unit
Maximum Output (THD+N=10%) RL=32Ω
Pho
50.0
mW
Total Harmonic Distortion Rate
(BW: 20kHz )
RL=32Ω, Pho=30mW
THD+N
0.01
%
Signal /Noise Ratio
RL=32Ω, Pho=20mW,
SNR
95
dB
(BW: 20kHz A-Filter )
VOL[1:0]=H,H
Channel Separation Ratio
RL=32Ω, VOL[1:0]=H,H
CS
-75
dB
16