參數(shù)資料
型號(hào): TA8252H
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(yè)數(shù): 13/14頁(yè)
文件大小: 358K
代理商: TA8252H
TA8252H
2002-10-30
8
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 θj-T = 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 pulled
-up.
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