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參數(shù)資料
| 型號(hào)： | TB2903HQ |
| 元件分類(lèi)： | 音頻／視頻放大 |
| 英文描述： | 29 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM25 |
| 封裝： | 1 MM PITCH, PLASTIC, HZIP-25 |
| 文件頁(yè)數(shù)： | 13/15頁(yè) |
| 文件大?。?/td> | 343K |
| 代理商： | TB2903HQ |
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TB2903HQ
2004-07-25
7
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 6)
125
W
Operation temperature
Topr
40~85
°C
Storage temperature
Tstg
55~150
°C
Note 6: 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 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
47
POUT MAX (2)
VCC = 13.7 V, max POWER
43
POUT (1)
VCC = 14.4 V, THD = 10%
29
Output power
POUT (2)
THD
= 10%
23
25
W
Total harmonic distortion
THD
POUT = 5 W
0.015
0.15
%
Voltage gain
GV
VOUT = 0.775 Vrms
24
26
28
dB
Voltage gain ratio
GV
VOUT = 0.775 Vrms
1.0
0
1.0
dB
VNO (1)
Rg
= 0 , DIN45405
100
Output noise voltage
VNO (2)
Rg
= 0 , BW = 20 Hz~20 kHz
90
200
Vrms
Ripple rejection ratio
R.R.
frip = 100 Hz, Rg = 620
Vrip = 0.775 Vrms
50
60
dB
Cross talk
C.T.
Rg = 620
VOUT = 0.775 Vrms
70
dB
Output offset voltage
VOFFSET
150
0
150
mV
Input resistance
RIN
90
k
Standby current
ISB
Standby condition
2
10
A
VSB H
POWER: ON
3.5
6.0
Standby control voltage
VSB L
POWER: OFF
0
1.5
V
VM H
MUTE: OFF
3.0
6.0
Mute control voltage
VM L
MUTE: ON, R1 = 47 k
0
0.5
V
Mute attenuation
ATT M
MUTE: ON
VOUT = 7.75 Vrms→Mute: OFF
80
90
dB
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