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TB2924FG Fiches technique(PDF) 7 Page - Toshiba Semiconductor

No de pièce TB2924FG
Description  Class D, 20 W × 2-channel (BTL) Low-Frequency Power Amplifier IC
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Fabricant  TOSHIBA [Toshiba Semiconductor]
Site Internet  http://www.semicon.toshiba.co.jp/eng
Logo TOSHIBA - Toshiba Semiconductor

TB2924FG Fiches technique(HTML) 7 Page - Toshiba Semiconductor

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TB2924FG
2006-01-25
7
Electrical Characteristics 1
(unless otherwise specified, VCC = 15 V, f = 1 kHz, Rg = 600 Ω, RL = 8 Ω, Ta = 25°C)
Characteristics
Symbol
Test
Circuit
Test Condition
Min
Typ.
Max
Unit
Quiescent supply current
ICCQ
1
Vin
= 0
55
70
mA
POUT (1)
1
THD
= 10%
9
10.5
POUT (2)
1
VCC = 18 V, THD = 10%
12.5
15
POUT (3)
1
RL = 4 Ω, VCC = 12 V,
THD
= 10%
11.5
13
Output power
POUT (4)
1
RL = 4 Ω, VCC = 15 V,
THD
= 10%
18
19.5
W
η (1)
1
POUT = 10 W
80
88
Efficiency
η (2)
1
POUT = 1.0 W
63
66
%
Total harmonics distortion
THD
1
POUT = 1 W
0.1
0.3
%
Voltage gain
GV
1
VOUT = 0.775 Vrms
32.5
34
35.5
dB
Channel Balance
CB
1
VOUT = 0.775 Vrms
−1.0
0
1.0
dB
Input impedance
RIN
1
30
k
Crosstalk
C.T.
1
Rg = 10 kΩ,
VOUT = 0.775 Vrms
−56
−65
dB
Output noise voltage
VNO
1
Rg = 10 kΩ,
B.W.
= DIN AUDIO
0.2
0.3
mVrms
Switching frequency
fsw
1
160
200
300
kHz
Standby supply current
ISTB
1
During standby
0.2
0.34
mA
Power transistor ON resistance
RDS-ON
1
0.3
Mute attenuation level
ATTMUTE
1
0dB
= VOUT = 0.775 Vrms
−71
−78
dB
VMUTE off
1
Not muted
1.8
VCC
Control voltage for pin 17 muting
switch
VMUTE on
1
Muted
GND
0.9
V
VSTB off
1
Amplifier operating
(not standby)
1.8
VCC
Control voltage for pin 16 standby
switch
VSTB on
1
Amplifier stopped (standby on)
GND
1.1
V
VOSC on
1
Oscillator operating
1.8
VCC
Control voltage for pin 26 oscillator
on/off switch
VOSC off
1
Oscillator stopped
GND
0.5
V


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