TB2903HQ Toshiba, TB2903HQ Datasheet - Page 5

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TB2903HQ

Manufacturer Part Number
TB2903HQ
Description
Manufacturer
Toshiba
Datasheet

Specifications of TB2903HQ

No. Of Channels
4
Package
HZIP 25-P-1.00F
Recommended Vcc (v)
13.2
Rl=2 Ohm
Not Supported
Rl=4 Ohm
50W x 4
Rl=8 Ohm
-
Features/built-in Functions
4 BTL channels, standby switch, mute, BiCD process, offset detection
Operating Voltage (v)
9 to 18

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(+) Amp output
V
ref
4. Off-set detection function
Voltage of
Voltage of
point (A)
point (B)
Elec. vol
Capacitor etc.
GND
GND
GND
In case of Appearing output offset voltage by Generating a Large Leakage Current on the input
Leak or short
V
ref/2
R
S1
Figure 6 Application and Detection Mechanism
V
bias
Figure 7 Wave Form
R
S2
+
25
5
A
V
5 V
L.P.F.
Offset voltage (at leak or short)
B
DC Voltage (+) Amp (at leak) (R
V
DC Voltage (−) Amp (at short) (R
CC/2
To CPU
t
t
t
(normal DC voltage)
Threshold level (R
V
Threshold level (R
CC/2
TB2903HQ
2004-07-25
S1
S2
)
)
S1
S2
)
)

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