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参数资料
| 型号： | TA8277H |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 28 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM25 |
| 封装： | HZIP-25 |
| 文件页数： | 9/12页 |
| 文件大小： | 290K |
| 代理商： | TA8277H |
TA8277H
2002-02-13
6
Maximum Ratings (Ta
==== 25°C)
Characteristics
Symbol
Rating
Unit
Peak supply voltage (0.2 s)
VCC (surge)
50
V
DC supply voltage
VCC (DC)
25
V
Operation supply voltage
VCC (opr)
18
V
Output current (peak)
IO (peak)
9
A
Power dissipation
PD (Note1)
125
W
Operation temperature
Topr
40~85
°C
Storage temperature
Tstg
55~150
°C
Note 1: Package thermal resistance
θj-T = 1°C/W (typ.)
(Ta
= 25°C, with infinite heat sink)
Electrical Characteristics
(unless otherwise specified, VCC =
=== 13.2 V, f ==== 1 kHz, R
L =
=== 4
, Ta ==== 25°C)
Characteristics
Symbol
Test
Circuit
Test Condition
Min
Typ.
Max
Unit
Quiescent current
ICCQ
VIN = 0
200
400
mA
POUT MAX (1)
VCC = 14.4 V, max Power
43
POUT MAX (2)
VCC = 13.7 V, max Power
40
POUT (1)
VCC = 14.4 V, THD = 10%
28
Output power
POUT (2)
THD
= 10%
22
24
W
Total harmonic distortion
THD
POUT = 5 W
0.02
0.2
%
Voltage gain
GV
VOUT = 0.775 Vrms (0dBm)
24
26
28
Voltage gain ratio
GV
VOUT = 0.775 Vrms (0dBm)
1.0
0
1.0
dB
VNO (1)
Rg
= 0 , DIN45405
0.12
Output noise voltage
VNO (2)
Rg
= 0 , BW = 20 Hz~20 kHz
0.10
0.35
mVrms
Ripple rejection ratio
R.R.
frip = 100 Hz, Rg = 620
Vrip = 0.775 Vrms (0dBm)
40
50
dB
Cross talk
C.T.
Rg
= 620
VOUT = 0.775 Vrms (0dBm)
65
dB
Output offset voltage
VOFFSET
150
0
+150
mV
Input resistance
RIN
90
k
Stand-by current
ISB
Stand-by condition
2
10
A
VSB H
Power: ON
3.0
VCC
Stand-by control voltage
VSB L
Power: OFF
0
1.5
V
VM H
Mute: OFF
Open
Mute control voltage
(Note2)
VM L
Mute: ON, R1 = 10 k
0
0.5
V
Mute attenuation
ATT M
Mute: ON,
VOUT = 7.75 Vrms (20dBm) at
Mute: OFF.
80
90
dB
Note 2: Muting function have to be controlled by open and low logic, which logic is a transistor, FET and
-COM port
of IMUTE > 50 A ability.
This means than the mute control terminal : pin 22 must not be pulled-up.
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