YDA142 Datasheet, PDF (14/18 Pages) YAMAHA CORPORATION – D- 3D DIGITAL INPUT STEREO 9.5W DIGITAL AUDIO POWER AMPLIFIER

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çççYDA142
˔Analog Characteristics (V_SS=0V, V_DDP=12V, Ta=25℃, Frequency:1kHz, unless otherwise specified)
Item
Conditions _{Symbol Min.}
Typ.
Max. Unit
Maximum output (Stereo)
(THD+N=10%)
R_L=8Ω
9.5
W
P_O
Maximum output (Mono)
(THD+N=10%)
R_L=4Ω
19.0
W
Voltage Gain (GAIN[2:0]=H,L,L)
A_V
20
dB
Total Harmonic Distortion Rate (Stereo)
(BW: 20kHz)
R_L=8Ω, P_O=5W
0.05
%
THD+N
Total Harmonic Distortion Rate (Mono)
(BW: 20kHz)
R_L=4Ω, P_O=9.5W
0.1
%
Signal /Noise Ratio
R_L=8Ω, P_O=9.5W, _SNR
100
dB
(BW: 20kHz A-Filter)
GAIN[2:0]=H,L,L
Channel Separation Ratio
CS
-78
dB
Maximum Efficiency
R_L=8Ω, P_O=9.5W
η
90
%
Output offset voltage
V_O
±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.
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