TB2934HQ Toshiba, TB2934HQ Datasheet - Page 5

• Manufacturer Part Number: TB2934HQ
• Manufacturer: Toshiba

Specifications of TB2934HQ

• No. Of Channels: 4
• Package: HZIP 25-P-1.00F
• Recommended Vcc (v): 13.2
• Rl=2 Ohm: 70W x 4
• Rl=4 Ohm: 43W x 4
• Rl=8 Ohm: -
• Features/built-in Functions: 4 BTL channels, internal standby/mute, BiCD process, power, I2C self-diagnosis, tweeter diagnostics, 34/26 dB gain
• Operating Voltage (v): 9 to 18

4. External Component Values
Note 3: In case of the recommended value not used.
5. Fast Mute Mode
Component
Name
C1
C2
C3
C4
C5
cranking condition.
engine cranking condition.
This feature will normally be used to suppress pop noise resulting from V
The fast mute mode can be entered on receipt of a command via I
Using the IB2 register and setting to ‘one’ the bit D6, it is possible to generate a fast I
If a fast mute command is received, this IC will operate and will discharge the capacitor C4 at pin16.
Therefore the Pop sound will be reduced compared to the condition when Fast Mute is not used in the
Recommended
3900 µF
0.22 µF
0.1 µF
Value
10 µF
1 µF
To eliminate DC
To reduce ripple
To determine the
time of turn on
diag
To provide
sufficient
oscillation margin
To reduce pop
noise
Ripple filter
Purpose
Cut-off frequency becomes
higher
Power ON/OFF time and turn
ON diag cycle shorter
Reduces noise and provides sufficient oscillation margin
Pop noise becomes larger
Muting ON/OFF time is
shorter
Power supply ripple filtering
Lower than Recommended
Value
5
Effect
Cut-off frequency becomes
lower
Power ON/OFF time and turn
ON diag cycle longer
Pop noise becomes smaller
Muting ON/OFF time is
longer
Higher than Recommended
2
C bus.
Value
CC
transients during engine
2
C mute command.
TB2934HQ
Pop noise is
concerned with
this capacitor.
2006-06-14
Notes