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KODENSHI KOREA

KKA7056B Datasheet Preview

KKA7056B Datasheet

5W MONO BTL AUDIO AMPLIFIER

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TECHNICAL DATA
5 W MONO BTL AUDIO AMPLIFIER WITH DC VOLUME CONTROL
GENERAL DESCRIPTION
The KKA7056B is a mono Bridge-Tied Load (BTL) output amplifier with DC volume control.
It is designed for use in TV and monitors, but is also suitable for battery-fed portable recorders and
radios. The device is contained in a 9-pin medium power package.
A Missing Current Limiter (MCL) is built in. The MCL circuit is activated when the difference in
current between the output terminal of each amplifier exceeds 100 mA (300 mA typ.). This level of
100 mA allows for headphone applications (single-ended).
Features
  DC volume control
  Few external components
  Mute mode
  Thermal protection
  Short-circuit proof
  No switch-on and switch-off clicks
  Good overall stability
  Low power consumption
  Low HF radiation
  ESD protected on all pins.
Figure 1. Package and pin connection
Figure 2. Simplified Block Diagram
1




KODENSHI KOREA

KKA7056B Datasheet Preview

KKA7056B Datasheet

5W MONO BTL AUDIO AMPLIFIER

No Preview Available !

www.DataSheet4U.com
KKA7056B
MAXIMUM RATINGS
SYMBOL
VP
V3, 5
IORM
IOSM
Ptot
Tamb
Tstg
Tvj
Tsc
PARAMETER
supply voltage
input voltage pins 3 and 5
repetitive peak output current
non-repetitive peak output current
total power dissipation
operating ambient temperature
storage temperature
virtual junction temperature
short-circuit time
CONDITIONS
Tcase  60  C
MIN.
40
55
MAX.
18
5
1.25
1.5
9
+85
+150
+150
1
UNIT
V
V
A
A
W
 C
 C
 C
h
ELECTRICAL CHARACTERISTICS
VP = 12 V; VDC = 1.4 V; f = 1 kHz; RL = 16  ; Tamb = 25  C; unless otherwise specified (see Fig.13).
SYMBOL PARAMETER
Supply
VP positive supply voltage
Iq(tot)
total quiescent current
Maximum gain (V5  1.4 V)
PO output power
THD
total harmonic distortion
Gv(max)
VI
Vno
B
maximum total voltage gain
input signal handling (RMS value)
noise output voltage (RMS value)
bandwidth
SVRR
supply voltage ripple rejection
  VO  DC output offset voltage
ZI input impedance (pin 3)
Mute position
VO output voltage in mute position
CONDITIONS
MIN.
note 1; RL =  
4.5
THD = 10%; RL = 16  
THD = 10%; RL = 8  
PO = 0.5 W
Gv(max) = 0 dB; THD  1%
note 2; f = 500 kHz
at 1 dB
note 3
 V8 V6 
3
39.5
1.0
34
15
note 4; V5 = 0.4 V  30 mV;
VI = 1.0 V
TYP.
MAX.
18
9.2 13
3.5
5
0.3 1
40.5 41.5
210
0.02 to 300
38
0
20
200
25
30 40
DC volume control; note 5
  gain control
I5 control current
V5 = 0 V
68 73.5
20 25
30
UNIT
V
mA
W
W
%
dB
V
 V
kHz
dB
mV
k 
 V
dB
 A
Notes
1. With a load connected to the outputs the quiescent current will increase, the maximum value of this increase being
equal to the DC output offset voltage divided by RL.
2. The noise output voltage (RMS value) at f = 500 kHz is measured with RS = 0   and B = 5 kHz.
3. The ripple rejection is measured with RS = 0   and f = 100 Hz to 10 kHz. The ripple voltage VR of 200 mV
(RMS value) is applied to the positive supply rail.
4. The noise output voltage (RMS value) is measured with RS = 5 k  unweighted.
5. The DC volume control can be configured in several ways. Two possible circuits are shown in Figs 14 and 15. The
circuits at the volume control pin will influence the switch-on and switch-off behaviour and the maximum voltage gain.
2


Part Number KKA7056B
Description 5W MONO BTL AUDIO AMPLIFIER
Maker KODENSHI KOREA
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KKA7056B Datasheet PDF






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