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參數(shù)資料
| 型號(hào)： | TA8252HQ |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 24 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM25 |
| 封裝： | 1.27 MM PITCH, PLASTIC, HZIP-25 |
| 文件頁數(shù)： | 15/16頁 |
| 文件大?。?/td> | 369K |
| 代理商： | TA8252HQ |
TA8252HQ
2006-04-28
8
Absolute Maximum Rating (Ta = 25°C)
Characteristic
Symbol
Rating
Unit
Peak supply voltage (0.2s)
VCC (surge)
50
V
DC supply voltage
VCC (DC)
25
V
Operating supply voltage
VCC (opr)
18
V
Output current (peak)
IO (peak)
9
A
Power dissipation
PD (*)
250
W
Operating temperature
Topr
40~85
°C
Storage temperature
Tstg
55~150
°C
(*): Package thermal resistance θjT = 0.5°C / W (typ.)
(Ta = 25°C, with infinite heat sink)
Electrical Characteristics
(unless otherwise specified VCC = 13.2V, f = 1kHz, RL = 4, Ta = 25°C)
Characteristic
Symbol
Test
Cir
cuit
Condition
Min.
Typ.
Max.
Unit
Quiescent current
ICCQ
—VIN = 0
—
200
400
mA
POUT MAX (1)
—
VCC = 14.4V, max power
—
37
—
POUT MAX (2)
—
VCC = 13.7V, max power
—
35
—
POUT (1)
—
VCC = 14.4V, THD = 10%
—
24
—
Output power
POUT (2)
—
THD = 10%
19
21
—
W
Total harmonic distortion
THD
—
POUT = 3W
—
0.02
0.2
%
Voltage gain
GV
—VOUT = 0.775Vrms (0dBm)
24
26
28
dB
Voltage gain ratio
GV
—VOUT = 0.775Vrms (0dBm)
1.0
0
1.0
dB
VNO (1)
—Rg = 0, DIN45405
—
0.12
—
mVrms
Output noise voltage
VNO (2)
Rg = 0,
BW = 20Hz~20kHz
—
0.10
0.35
mVrms
Ripple rejection ratio
R.R.
—
frip = 100Hz, Rg = 620
Vrip = 0.775Vrms (0dBm)
40
50
—
dB
Cross talk
C.T.
—
Rg = 620,
VOUT = 0.775Vrms (0dBm)
—
65
—
dB
Output offset voltage
VOFFSET
——
100
0
+100
mV
Input resistance
RIN
—
90
—
k
Stand
by current
ISB
—Stand
by condition
—
2
10
A
VSB H
—
Power: On
3.0
—
6.0
Stand
by control
voltage
VSB L
—
Power: Off
0
—
1.5
V
VM H
—
Mute: Off
Open
Mute control voltage (*)
VM L
—
Mute: On, R1 = 10k
0
—
0.5
V
Mute attenuation
ATT M
—
Mute: On
VOUT = 7.75Vrms (20dBm)
at mute: Off.
80
90
—
dB
(*): Muting function have to be controlled by open and low logic, which logic is a transistor, FET and COM port of
IMUTE > 250A ability.
This means that the mute control terminal: Pin(24) must not be pulledup.
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