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KODENSHI KOREA

KKA7056 Datasheet Preview

KKA7056 Datasheet

3W Mono BTL Audio Output Amplifier

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TECHNICAL DATA
3 W Mono BTL Audio Output Amplifier
FEATURES
· No external components
· No switch-on/off clicks
· Good overall stability
· Low power consumption
· Short circuit proof
· ESD protected on all pins.
GENERAL DESCRIPTION
The KKA7056SH is a mono output amplifier contained in a
9 pin SIL medium power package (SOT110).
The device is designed for battery-fed portable mono
recorders, radios and television.
QUICK REFERENCE DATA
SYMBOL
PARAMETER
Vp supply voltage
Po output power
Gv internal voltage gain
Ip total quiescent current
CONDITIONS
Vp=11 V, THD=10,
RL=16 >
Vp=11 V; RL=
MIN.
3
2.5
39
TYP. MAX.
11 18
3
40,0 42
57
THD
total harmonic distortion
Po=0,5 W
0,25 1
UNIT
V
W
dB
mA
%
1




KODENSHI KOREA

KKA7056 Datasheet Preview

KKA7056 Datasheet

3W Mono BTL Audio Output Amplifier

No Preview Available !

www.DataSheet4U.com
KKA7056
PIN DESCRIPTION
1 n.c.
2 VP
3 input(+)
4 signal ground
5 n.c.
6 output(+)
7 power ground
8 output(-)
9 n.c.
FUNCTIONAL DESCRIPTION
The KKA7056SH is a mono output amplifier, designed for battery-fed portable radios and mains-fed equipment such as
television. For space reasons there is a trend to decrease the number of external components. For portable applications
there is also a trend to decrease the number of battery cells, but still a reasonable output power is required.
The KKA7056SH fulfills both of these requirements. It needs no peripheral components, because it makes use of the
Bridge-Tied-Load (BTL) principle. Consequently it has, at the same supply voltage, a higher output power compared to a
conventional Single Ended output stage. It delivers an output power of 1 W into a loudspeaker load of 8 W with 6 V
supply or 3 W into 16 W loudspeaker at 11 V without need of an external heatsink. The gain is internally fixed at 40 dB.
Special attention is given to switch-on/off click suppression, and it has a good overall stability. The load can be short
circuited at all input conditions.
SYMBOL
PARAMETER
Vp supply voltage
CONDITIONS
iorm Peak output current repetitive
iosm
Peak output current non-repetitive
Tstg storage temperature range
Tj junction temperature
Plot total power dissipation
T^se < 60 •••C
Tsc short circuiting time
see note 1
Note
1. The load can be short-circuited at all input conditions.
SYMBOL
hibk
Rtll.a
PARAMETER
from junction to case
from junction to ambient in free air
NOM.
10
55
MIN.
-
-
-
-55
-
-
-
MAX.
18
1
1.5
150
150
9
1
UNIT
V
A
A
°C
°C
W
hr
UNIT
K/W
K/W
POWER DISSIPATION
Assume: VP = 11 V; RL = 16 W.
The maximum sine-wave dissipation is 1.52 W.
The Rth j-a of the package is 55 K/W.
Tamb max = 150 - 55 ´ 1.52 = 66.4 °C.
2


Part Number KKA7056
Description 3W Mono BTL Audio Output Amplifier
Maker KODENSHI KOREA
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KKA7056 Datasheet PDF






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