tb2959hq TOSHIBA Semiconductor CORPORATION, tb2959hq Datasheet - Page 15

• Manufacturer Part Number: tb2959hq
• Description: Maximum Power 47w Btl  4-ch Audio Power Ic
• Manufacturer: TOSHIBA Semiconductor CORPORATION

16. Characteristic Chart
16.1 Total Harmonic Distortion vs. Output Power
0.005
0.003
0.001
0.005
0.003
0.001
0.05
0.03
0.01
0.05
0.03
0.01
100
100
0.5
0.3
0.1
0.5
0.3
0.1
50
30
10
50
30
10
5
3
1
0.1
5
3
1
0.1
V CC = 13.2 V
G V = 26dB
R L = 4 
Filter
V CC = 13.2 V
G V = 26dB
R L = 4 
Filter
100 Hz : to 30 kHz
1 kHz
10 kHz : 400 Hz to
20 kHz : 400 Hz to
100 Hz : to 30 kHz
1 kHz
10 kHz : 400 Hz to
20 kHz : 400 Hz to
0.3 0.5
0.3
: 400 Hz to 30 kHz
: 400 Hz to30 kHz
Output power P
Output power P
0.5
Figure 11-1 Total Harmonic Distortion of Each Frequency (R
THD – P
THD – P
1
1
100 Hz
f = 1 kHz
100 Hz
f = 1 kHz
10 kHz
10 kHz
20 kHz
20 kHz
OUT
3
OUT
3
5
5
OUT
OUT
(ch1)
(ch3)
10
10
(W)
(W)
30
30
50
50
100
100
15
0.005
0.003
0.001
0.005
0.003
0.001
0.05
0.03
0.01
0.05
0.03
0.01
100
100
0.5
0.3
0.1
0.5
0.3
0.1
50
30
10
50
30
10
5
3
1
5
3
1
0.1
0.1
V CC = 13.2 V
G V = 26dB
R L = 4 
Filter
V CC = 13.2 V
G V = 26dB
R L = 4 
Filter
100 Hz : to 30 kHz
1 kHz
10 kHz : 400 Hz to
20 kHz : 400 Hz to
100 Hz : to 30 kHz
1 kHz
10 kHz : 400 Hz to
20 kHz : 400 Hz to
0.3
0.3
: 400 Hz to 30 kHz
: 400 Hz to 30 kHz
Output power P
Output power P
0.5
0.5
THD – P
THD – P
1
1
10 kHz
100 Hz
20 kHz
f = 1 kHz
10 kHz
100 Hz
f = 1 kHz
20 kHz
OUT
3
OUT
3
L
5
5
OUT
OUT
(ch2)
(ch4)
= 4 )
10
10
(W)
(W)
30
30
TB2959HQ
50
50
2011-11-08
100
100