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KKA7053N Datasheet

  • KKA7053N

  • 2 x 1 W portable/mains-fed stereo power amplifier

  • 6頁(yè)

  • KODENSHI

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TECHNICAL DATA
2 x 1 W portable/mains-fed stereo
power amplifier
The
KKA7053N
is an integrated class-B stereo power amplifier in a 16-lead
dual-in-line (DIL) plastic package. The device, consisting of two BTL
amplifiers, is primarily developed for portable audio applications but may also
be used in mains-fed applications.
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
No external components
No switch-ON/OFF clicks
Good overall stability
Low power consumption
Short-circuit-proof
16
1
KKA7053N
N SUFFIX
PLASTIC DI
ORDERING INFORMATION
KKA7053N
Plastic DIP
QUICK REFERENCE DATA
PARAMETER
Supply voltage range
Total quiescent current
Output power
Internal voltage gain
Total harmonic distortion
T
A
=
擄
to 150擄 C
CONDITIONS
SYMBOL
V
P
I
tot
P
O
Gv
THD
MIN.
3
-
-
38
-
MAX.
18
16
1
40
1.0
UNIT
V
mA
W
dB
%
R
L
=
鈭?/div>
R
L
= 8
鈩?
V
P
= 6 V, THD = 10%
R
L
= 8
鈩?
V
P
= 6 V
P
O
= 0.1 W, R
L
= 8
鈩?
V
P
= 6 V
PINNING
Pin
鈩?/div>
01
02
03
04
05
06
07
08
Symbol
SGND1
IN1
n.c.
n.c.
V
P
IN2
SGND2
n.c.
Description
signal ground 1
input 1
not connected
not connected
supply voltage
input 2
signal ground 2
not connected
Pin
鈩?/div>
09
10
11
12
13
14
15
16
Symbol
OUT2A
GND2
n.c.
OUT2B
OUT1B
GND1
n.c.
OUT1A
Description
output 2 (positive)
power ground 2
not connected
output 2 (negative)
output 1 (negative)
power ground 1
not connected
output 1 (positive)
Note
The information contained within the parentheses refer to the polarity of the loudspeaker terminal to which the output
must be connected.
FUNCTIONAL DESCRIPTION
The
KKA7053N
is a stereo output amplifier, with an internal gain of 39 dB, which is primarily for use in portable audio
applications but may also be used in mains-fed applications. The current trends in portable audio application design is
to reduce the number of batteries which results in a reduction of output power when using conventional output stages.
The
KKA7053N
overcomes this problem by using the Bridge-Tied-Load (BTL) principle and is capable of delivering
1.2 W into an 8
鈩?/div>
load (V P = 6 V). The load can be short-circuited under all input conditions.
1

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