tb2921ahq TOSHIBA Semiconductor CORPORATION, tb2921ahq Datasheet - Page 8

• Manufacturer Part Number: tb2921ahq
• Description: 51 W ? 4-ch Btl Audio Power Ic
• Manufacturer: TOSHIBA Semiconductor CORPORATION

High-Side Switch/Offset detection
Mute control voltage
Mute pin voltage for function
switching of pin 25
Mute attenuation
Maximum output current
Voltage difference between V
output
DC offset threshold voltage
Pin 25 voltage
(at each detector ON condition)
Pin 25 voltage
(at each detector OFF condition)
Characteristics
Characteristics
CC
and
Symbol
V
V
ATT M
V
V
M
M
M
M
Symbol
V
_On
_Off
P25-t
P25-f
ΔV
off-set
H
L
I
O
o
Circuit
Test
⎯
⎯
⎯
⎯
⎯
Circuit
Test
⎯
⎯
⎯
⎯
⎯
Stb = 5 V
MUTE: ON
V
MUTE: OFF
MUTE: ON, R
OUT
8
Test Condition
I
Rpull-down = 10 kΩ,
V4 = 5 V, V22 = 8 V
Out(+)-Out(-)
Rpull-down = 10 kΩ,
V4 = 5 V, V22 = 8 V,
Voffset > ±3.5 V,
(pin 25 = low)
Rpull-down = 10 kΩ,
V4 = 5 V, V22 = 8 V,
Voffset < ±2.5 V
(pin 25 = high)
O
= 400 mA, +B = 9.6 V
= 7.75 Vrms → Mute: OFF
Test Condition
1
= 47 kΩ
±2.5
400
Min
Min
2.9
85
12
⎯
⎯
⎯
0
8
Typ.
0.25
±3.0
Typ.
100
13
⎯
⎯
⎯
⎯
⎯
0
TB2921AHQ
2009-02-03
±3.5
Max
0.6
0.5
Max
V
⎯
⎯
0.9
⎯
⎯
CC
6
Unit
mA
Unit
V
V
V
V
dB
V
V