YDA143 Datasheet, PDF (18/22 Pages) YAMAHA CORPORATION – D- 3M STEREO 15W DIGITAL AUDIO POWER AMPLIFIER

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■Typical characteristics examples
●Digital Amplifier Characteristics
(V_DDP=12V, R_L=4Ω+30µH, Frequency=1kHz, GAIN[1:0]=H,H, MODE[2:0]=L,H,L, unless otherwise specified）ç
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Power vs THD+N
(Freq=1kHz, with 20kHz filter)
100
Lch
Rch
10
Frequency vs THD+N
(Po=1.5W with 20kHz filter)
10
Lch
Rch
1
1
0.1
0.1
0.01
0.01
0.001
0.01
0.1
1
Power[W]
0.001
10
100
100
1000
10000
Frequency[Hz]
100000
0
-20
-40
-60
-80
-100
-120
-140
-160
10
100
95
90
85
80
75
70
65
60
55
50
0
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Noise FFT
Rch
Lch
100
1000
10000
Frequency[Hz]
100000
Power vs Efficiency
4ohm
6ohm
8ohm
5
10
15
20
Power[W]
30
25
20
15
10
5
0
10
Frequency Responce
Lch
Rch
100
1000
10000
Frequency[Hz]
100000
Power supply voltage vs Maximum output power
(THD+N=10%)
25
4ohm
20
6ohm
8ohm
15
10
5
0
8
9
10
11
12
13
14
15
Power supply voltage[V]
18