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參數(shù)資料
| 型號(hào)： | TA8272H |
| 廠商： | Toshiba Corporation |
| 英文描述： | Max Power 43 W BTL x 4 ch Audio Power IC |
| 中文描述： | 最大功率43糯橋接× 4通道音頻功率IC |
| 文件頁數(shù)： | 7/13頁 |
| 文件大小： | 248K |
| 代理商： | TA8272H |
TA8272H
2002-06-20
7
Maximum Ratings
(Ta 25°C)
Characteristics
Symbol
Rating
Unit
Peak supply voltage (0.2 s)
V
CC (surge)
50
V
DC supply voltage
V
CC (DC)
25
V
Operation supply voltage
V
CC (opr)
18
V
Output current (peak)
I
O (peak)
9
A
Power dissipation
P
D
(Note1)
125
W
Operation temperature
T
opr
40~85
°C
Storage temperature
T
stg
55~150
°C
Note1: Package thermal resistance
j-T
1°C/W (typ.)
(Ta 25°C, with infinite heat sink)
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
43
P
OUT
MAX (2)
V
CC
13.7 V, max Power
40
P
OUT
(1)
V
CC
14.4 V, THD 10%
28
Output power
P
OUT
(2)
THD 10%
22
24
W
Total harmonic distortion
THD
P
OUT
5 W
0.02
0.2
%
Voltage gain
G
V
V
OUT
0.775 Vrms (0dBm)
24
26
28
Voltage gain ratio
G
V
V
OUT
0.775 Vrms (0dBm)
1.0
0
1.0
dB
V
NO
(1)
Rg 0 , DIN45405
0.12
Output noise voltage
V
NO
(2)
Rg 0 , BW 20 Hz~20 kHz
0.10
0.35
mVrms
Ripple rejection ratio
R.R.
f
rip
100 Hz, Rg 620
V
rip
0.775 Vrms (0dBm)
40
50
dB
Cross talk
C.T.
Rg 620
V
OUT
0.775 Vrms (0dBm)
65
dB
Output offset voltage
V
OFFSET
150
0
150
mV
Input resistance
R
IN
90
k
Stand-by current
I
SB
Stand-by condition
2
10
A
V
SB
H
Power: ON
3.0
V
CC
Stand-by control voltage
V
SB
L
Power: OFF
0
1.5
V
V
M
H
Mute: OFF
Open
Mute control voltage
(Note2)
V
M
L
Mute: ON, R
1
10 k
0
0.5
V
Mute attenuation
ATT M
Mute: ON,
V
OUT
7.75 Vrms (20dBm) at
Mute:
OFF.
80
90
dB
Note2: Muting function have to be controlled by open and low logic, which logic is a transistor, FET and -COM port
of I
MUTE
250 A ability.
This means than the mute control terminal : pin 22 must not be pulled-up.
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