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參數(shù)資料
| 型號： | TB2901HQ |
| 廠商： | Toshiba Corporation |
| 英文描述： | Maximum Power 47 W BTL 】 4-ch Audio Power IC |
| 中文描述： | 最大功率47糯橋接】4通道音頻功率IC |
| 文件頁數(shù)： | 7/16頁 |
| 文件大小： | 366K |
| 代理商： | TB2901HQ |
TB2901HQ(O)
2004-10-15
7
Electrical Characteristics
(unless otherwise specified, V
CC
=
13.2 V, f
=
1 kHz, R
L
=
4
, Ta
=
25°C)
Characteristics
Symbol
Test
Circuit
Test Condition
Min
Typ.
Max
Unit
Quiescent current
I
CCQ
V
IN
=
0
200
400
mA
P
OUT
MAX (1)
V
CC
=
14.4 V, max POWER
47
P
OUT
MAX (2)
V
CC
=
13.7 V, max POWER
43
P
OUT
MAX (3)
V
CC
=
14.4 V, RL
=
2
max POWER
80
P
OUT
(1)
V
CC
=
14.4 V, THD
=
10%
29
Output power
P
OUT
(2)
THD
=
10%
23
25
Total harmonic distortion
THD
P
OUT
=
5 W
0.015
0.15
%
Voltage gain
G
V
V
OUT
=
0.775 Vrms
24
26
28
dB
Voltage gain ratio
G
V
V
OUT
=
0.775 Vrms
1.0
0
1.0
dB
V
NO
(1)
Rg
=
0
, DIN45405
100
Output noise voltage
V
NO
(2)
Rg
=
0
, BW
=
20 Hz~20 kHz
90
200
μ
Vrms
Ripple rejection ratio
R.R.
f
rip
=
100 Hz, R
g
=
620
V
rip
=
0.775 Vrms
50
60
dB
Cross talk
C.T.
R
g
=
620
V
OUT
=
0.775 Vrms
70
dB
Output offset voltage
V
OFFSET
150
0
150
mV
Input resistance
R
IN
90
k
Standby current
I
SB
Standby condition
2
10
μ
A
V
SB
H
POWER: ON
3.5
6.0
Standby control voltage
V
SB
L
POWER: OFF
0
1.5
V
V
M
H
MUTE: OFF
3.0
6.0
Mute control voltage
V
M
L
MUTE: ON, R
1
=
47 k
0
0.5
V
Mute attenuation
ATT M
MUTE: ON
V
OUT
=
7.75 Vrms
→
Mute: OFF
80
90
dB
High-Side Switch
Output current
I
O
400
mA
Difference voltage between V
CC
and
output
V
o
I
O
=
400 mA,
+
B
=
9.6 V
0.25
0.6
V
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