參數(shù)資料
型號(hào)： TB2922HQ
廠商： Toshiba Corporation
英文描述： Dual Audio Power Amplifier
中文描述： 雙音頻功率放大器
文件頁(yè)數(shù)： 6/15頁(yè)
文件大小： 256K
代理商： TB2922HQ
TB2922HQ
Absolute maximum ratings
(Ta
=
25°C)
Characteristics
Symbol
Rating
Unit
DC supply voltage
V
CC (DC)
28
V
Operation supply voltage
V
CC (opr)
26
V
Power dissipation
P
D
(Note 4)
62.5
W
Operation temperature
T
opr
40 to 85
°C
Storage temperature
T
stg
55 to 150
°C
Note 4: Package thermal resistance
θ
j-T
=
2°C/W (typ.) (Ta
=
25°C, with infinite heat sink)
The absolute maximum ratings of a semiconductor device are a set of specified parameter values, which must not
be exceeded during operation, even for an instant. If any of these rating would be exceeded during operation, the
device electrical characteristics may be irreparably altered and the reliability and lifetime of the device can no
longer be guaranteed. Moreover, these operations with exceeded ratings may cause break down, damage and/or
degradation to any other equipment. Applications using the device should be designed such that each absolute
maximum rating will never be exceeded in any operating conditions. Before using, creating and/or producing
designs, refer to and comply with the precautions and conditions set forth in this documents.
Electrical Characteristics
(unless otherwise specified, V
CC
=
18 V, f
=
1 kHz, R
L
=
8
Ω
, Ta
=
25°C)
Characteristics
Symbol
Test
Circuit
Test Condition
Min
Typ.
Max
Unit
Quiescent current
I
CCQ
V
IN
=
0
80
150
mA
P
OUT
(1)
THD
=
10%
21
22
P
OUT
(2)
THD
=
10%, RL=4
Ω
37
P
OUT
(3)
V
CC
=
26 V, THD
=
10%
46
Output power
P
OUT
MAX (1)
V
CC
=
26V, Max POWER
72
W
Total harmonic distortion
THD
P
OUT
=
4 W
0.02
0.20
%
Voltage gain
G
V
V
OUT
=
0.775 Vrms
32
34
36
dB
Voltage gain ratio
Δ
G
V
V
OUT
=
0.775 Vrms
1.0
0
1.0
dB
Output noise voltage
V
NO
Rg
=
0
Ω
, BW
=
20 Hz~20 kHz
180
250
μ
Vrms
Ripple rejection ratio
R.R.
f
rip
=
100 Hz, R
g
=
620
Ω
V
rip
=
0.775 Vrms
40
50
dB
Cross talk
C.T.
R
g
=
620
Ω
V
OUT
=
0.775 Vrms
65
dB
Output offset voltage
V
OFFSET
25
0
0
250
mV
Input resistance
R
IN
30
k
Ω
Standby current
I
SB
Standby condition
1
10
μ
A
V
SB
H
POWER: ON
2.5
6.0
Standby control voltage
V
SB
L
POWER: OFF
0
0.5
V
V
M
H
MUTE: OFF
2.5
6.0
Mute control voltage
V
M
L
MUTE: ON, R
1
=
47 k
Ω
0
0.5
V
Mute attenuation
ATT M
MUTE: ON
V
OUT
=
10 Vrms
→
Mute: OFF
85
100
dB
2007-02-20
6
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