tb2921ahq TOSHIBA Semiconductor CORPORATION, tb2921ahq Datasheet - Page 14

• Manufacturer Part Number: tb2921ahq
• Description: 51 W ? 4-ch Btl Audio Power Ic
• Manufacturer: TOSHIBA Semiconductor CORPORATION

−20
−40
−60
−80
−20
−40
−60
−80
300
200
100
0
0
0
10
10
10
V CC = 13.2 V
R L = 4 Ω
V OUT = 0.775 Vrms (0dBm)
R G = 620 Ω
V CC = 13.2 V
R L = 4 Ω
V OUT = 0.775 Vrms (0dBm)
R G = 620 Ω
V CC = 13.2 V
R L = 4 Ω
Filter:
20 Hz to 20 kHz
CT (3-1)
Signal source resistance R
100
100
100
frequency f (Hz)
frequency f (Hz)
C.T. – f (ch1)
C.T. – f (ch3)
1 ch~4 ch
V
NO
1 k
1 k
1 k
– R
CT (1-2)
g
CT (3-2)
g
10 k
10 k
10 k
CT (1-3)
CT (1-4)
(Ω)
CT (3-1)
100 k
100 k
100 k
14
−20
−40
−60
−80
−20
−40
−60
−80
80
60
40
20
0
0
0
10
10
0
V CC = 13.2 V
R L = 4 Ω
V OUT = 0.775 Vrms (0dBm)
R G = 620 Ω
V CC = 13.2 V
R L = 4 Ω
V OUT = 0.775 Vrms (0dBm)
R G = 620 Ω
CT (4-3)
f = 1 kHz
R L = 4 Ω
4ch drive
CT (4-2)
5
100
100
Output power P
frequency f (Hz)
frequency f (Hz)
10
V CC = 9 V
C.T. – f (ch2)
C.T. – f (ch4)
P
D
– P
1 k
1 k
15
OUT
OUT
CT (2-3)
20
13.2 V
(W)
10 k
10 k
CT (4-1)
TB2921AHQ
CT (2-4)
CT (2-1)
18 V
25
2009-02-03
100 k
100 k
30