TA8220HQ Toshiba, TA8220HQ Datasheet - Page 6

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TA8220HQ

Manufacturer Part Number
TA8220HQ
Description
Manufacturer
Toshiba
Datasheet

Specifications of TA8220HQ

No. Of Channels
2
Package
HZIP 17-P-2.00
Recommended Vcc (v)
13.2
Rl=2 Ohm
26W x 2
Rl=4 Ohm
19W x 2
Rl=8 Ohm
-
Features/built-in Functions
2 BTL channels, standby switch, clipping/shorting detector
Operating Voltage (v)
9 to 18
6. Output to V
7. External part list and description
The output short detection terminal of pin(9) has open collector output structure on chip as shown in Fig.6.
In unusual case that output terminal of power amp. is condition of output to V
possible to protect all the system of apparatus as well as power IC protection.
In case of being unused this function, use this IC as open−connection on pin(9).
Sym −
bol
C1
C2
C3
C4
C5
C6
Recommended
CC
1000µF
1000pF
0.12µF
220µF
Value
4.7µF
47µF
, output to GND detection function (pin(9))
DC blocking
Feedback
condenser
Ripple reduction
Oscillation
prevention
Ripple filter
Oscillation
prevention
Feature
Related to pop noise at V
Related to pop noise at V
Determination of low cut − off frequency
Time constant is
small at V
or off.
Made liable to
oscillate.
For filtering power supply hum and
ripple.
Large at using AC rectified power
supply.
Small at using DC power supply.
Oscillation allowance improved.
Noise reduction
C2
=
2
Recommended
⋅ π
Smaller Than
L f
CC
1
Value
→on
f R
6
CC
CC
Influence
→on.
→on.
Time constant is
large at V
or off.
Oscillation
allowance
Recommended
Larger Than
CC
Value
CC
→on
or output to GND short, it is
Related to gain.
Refer to item 4.
Refer to item 3.
Refer to item 3.
TA8220HQ
2004-09-28
Remarks

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