YDA142 Datasheet, PDF (15/18 Pages) YAMAHA CORPORATION – D- 3D DIGITAL INPUT STEREO 9.5W DIGITAL AUDIO POWER AMPLIFIER

YDA142
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˙Typical characteristics examples
●Digital Amplifier Characteristics (V_DDP=12V, Ta=25℃, R_L=8Ω+30µH, Frequency=1kHz）
Input level vs THD+N
(Freq=1kHz, with 20kHz filter)
100
Lch
Rch
10
Input signal frequency vs THD+N
(Po=3.1W, with 20kHz filter)
100
Lch
Rch
10
1
1
0.1
0.1
0.01
-60
-50
-40
-30
-20
-10
0
Input level [dBFS]
0.01
100
1000
10000
FREQ [Hz]
100000
0
-20
-40
-60
-80
-100
-120
-140
-160
10
Lch
Rch
100
Noise FFT
1000
FREQ [Hz]
10000
100000
POWER vs Efficiency
100
90
80
70
60
50
40
30
20
8Ω
10
16Ω
0
0
2
4
6
8
10
12
POWER [W]
Input level vs THD+N [MONO]
(Freq=1kHz, with 20kHz filter, RL=4ohm)
100
NO.1
NO.2
10
1
0.1
0.01
-60
-50
-40
-30
-20
-10
0
Input level [dBFS]
25
24
23
22
21
20
19
18
17
16
15
10
Frequency Response
Lch
Rch
100
1000
FREQ [Hz]
10000
100000
14
12
10
8
6
4
2
0
8
Power supply voltage vs Maximum output power
(THD+N=10%, GAIN[2:0]=HHH)
8Ω
16Ω
9
10
11
12
13
14
15
Power supply voltage [V]
Power supply voltage vs Maximum output power [MONO]
(THD+N=10%, GAIN[2:0]=HHH)
30
4Ω
25
8Ω
16Ω
20
15
10
5
0
8
9
10
11
12
13
14
15
Power supply voltage [V]
15