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参数资料
| 型号： | TA8275HQ |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 24 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM25 |
| 封装： | 1 MM PITCH, PLASTIC, HZIP-25 |
| 文件页数： | 15/16页 |
| 文件大小： | 321K |
| 代理商： | TA8275HQ |
TA8275HQ
2006-04-28
8
Absolute 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 (Note 5)
125
W
Operation temperature
Topr
40~85
°C
Storage temperature
Tstg
55~150
°C
Note 5: Package thermal resistance
θj-T = 1°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, VCC = 13.2 V, f = 1 kHz, RL = 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
41
POUT MAX (2)
VCC = 13.7 V, max Power
37
POUT (1)
VCC = 14.4 V, THD = 10%
24
Output power
POUT (2)
THD
= 10%
19
21
W
Total harmonic distortion
THD
POUT = 5 W
0.02
0.2
%
Voltage gain
GV
VOUT = 0.775 Vrms (0 dBm)
24
26
28
Voltage gain ratio
GV
VOUT = 0.775 Vrms (0 dBm)
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 (0 dBm)
40
50
dB
Cross talk
C.T.
Rg
= 620
VOUT = 0.775 Vrms (0 dBm)
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
(Note 6)
VM L
Mute: ON, R1 = 10 k
0
0.5
V
Mute attenuation
ATT M
Mute: ON,
VOUT = 7.75 Vrms (20 dBm) at
Mute: OFF.
80
90
dB
Note 6: Muting function have to be controlled by open and low logic, which logic is a transistor, FET and
-COM port
of IMUTE > 250 A ability.This means than the mute control terminal : pin 22 must not be pulled-up.
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