TA7280 Ver la hoja de datos (PDF) - Toshiba
Número de pieza
componentes Descripción
Fabricante
TA7280 Datasheet PDF : 14 Pages
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TA7280,81P
The popping time at power supply on / off varies according to the rise and fall times.
The condition in which the power supply is rapidly and repeatedly mode on / off, that is, the condition in which
the charge is made on the external capacitor of IC is different from the conditions shown in (Fig. 5) and (Fig. 6) .
Maximum Ratings (Ta = 25°C)
Characteristic
Peak supply voltage (0.2 s)
DC supply voltage
Operating supply voltage
Output current (peak)
Power dissipation
Operating temperature
Storage temperature
Symbol
Rating
Unit
VCC (surge)
45
V
VCC (DC)
25
V
VCC (opr)
18
V
IO (peak)
4.5
A
PD
25
W
Topr
-30~85
°C
Tstg
-55~150
°C
Electrical Characteristics
(unless otherwise specified, VCC = 13.2V, RL = 4Ω, Rg = 600Ω, f = 1kHz, Ta = 25°C)
Characteristic
Quiescent current
Output power
Total harmonic
distortion
Symbol
ICCQ
POUT (1)
POUT (2)
POUT (3)
THD (1)
Test
Cir-
Test Condition
cuit
2 VIN = 0
1 THD = 10%, VCC = 14.4V
1 THD = 10%
1 THD = 1%
1 POUT = 4W, GV = 40dB
Min. Typ. Max.
―
80
145
―
22
―
16
19
―
12
15
―
―
0.03 0.25
Output offset
voltage
VOFF
1 VIN = 0
―
0
0.35
Voltage gain
Output noise voltage
GV (1)
VNO (1)
1 VOUT = 0.775Vrms (0dBm)
1
Rg = 0
DIN45405 noise filter
―
40
―
―
0.14
―
Ripple rejection ratio
Output power
Total harmonic
distortion
R. R. (1)
POUT (4)
THD (2)
1
fripple = 100Hz
Vripple = 0.775Vrms (0dBm)
2 THD = 10%
2 POUT = 1W
―
-52
-40
5
5.8
―
―
0.06 0.30
Voltage gain
Voltage gain ratio
Output noise voltage
GV (2)
∆GV
VNO (2)
2 VOUT = 0.775Vrms (0dBm)
2 VOUT = 0.775Vrms (0dBm)
2
Rg = 10kΩ
BW = 20Hz~20kHz
50
52
54
-1
0
1
―
0.7
1.5
Ripple rejection ratio
Cross talk
Input resistance
R. R. (2)
C. T.
RIN
2
fripple = 100Hz
Vripple = 0.775Vrms (0dBm)
2 VOUT = 0.775Vrms (0dBm)
2 f = 1kHz
―
-52
-40
―
-57
―
―
33
―
Unit
mA
W
%
V
dB
mVrms
dB
W
%
dB
dB
mVrms
dB
dB
kΩ
5
2002-10-30
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