TB2905HQ Просмотр технического описания (PDF) - Toshiba
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TB2905HQ Datasheet PDF : 17 Pages
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TB2905HQ
Electrical Characteristics
(unless otherwise specified, VCC =13.2 V, f =1 kHz, RL = 4 Ω, Ta = 25°C)
Characteristics
Quiescent supply current
Output power
Output power (RL = 2 Ω)
Total harmonics distortion
Voltage gain
Interchannel voltage gain
Output noise voltage
Ripple rejection retio
Crosstalk
Output offset voltage
Input resistance
Standby current
Standby control voltage
Muting control voltage
Muting attenuation
Offset detection threshold voltage
Symbol
Test
Circuit
Test Conditions
ICCQ
VIN = 0
POUT MAX (1) VCC = 14.4 V, max POWER
POUT MAX (2) VCC = 13.7 V, max POWER
POUT (1)
VCC = 14.4 V, THD = 10%
POUT (2)
THD = 10%
POUT MAX (1) VCC = 14.4 V, max POWER
POUT MAX (2) VCC = 13.7 V, max POWER
POUT (1)
VCC = 14.4 V, THD = 10%
POUT (2)
THD = 10%
THD
POUT = 2 W
GV
VOUT = 0.775 Vrms
△GV
VOUT = 0.775 Vrms
VNO (1)
Rg = 0 Ω, DIN45405
VNO (2)
Rg = 0 Ω, BW = 20 Hz~20 kHz
R.R.
frip = 100 Hz, Rg = 620 Ω
Vrip = 0.775 Vrms
C.T.
Rg = 620 Ω
VOUT = 0.775 Vrms
VOFFSET
RIN
ISB
Standby state
VSB H
POWER: ON, clipping
detection on pin 25
VSB M
POWER: ON, offset detection
on pin 25
VSB L
VM H
VM L
POWER: OFF
MUTE: OFF
MUTE: ON, R1 = 47 kΩ
ATT M
MUTE: ON
VOUT = 7.75 Vrms → Mute:
OFF
Voff-set
Rpull-up = 47 kΩ, +V= 5.0 V
Based on normal output DC
voltage
Min
23
42
24
−1.0
50
-150
7.5
2.5
0
2.5
0
80
±1.0
Typ.
200
47
43
29
25
80
77
55
45
0.03
26
0
130
120
60
70
0
90
2
90
±1.5
Max Unit
300 mA
W
W
0.2
%
28
dB
1.0
dB
µVrms
270
dB
dB
150 mV
kΩ
10
µA
VCC
6.0
V
0.5
6.0
V
0.5
dB
±2.0
V
9
2005-08-17
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