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參數(shù)資料
| 型號： | KKA7053N |
| 廠商： | KODENSHI CORP. |
| 英文描述： | 2 x 1 W portable/mains-fed stereo power amplifier |
| 中文描述： | 2 × 1瓦便攜/電源饋立體聲功率放大器 |
| 文件頁數(shù)： | 1/6頁 |
| 文件大小： | 282K |
| 代理商： | KKA7053N |
TECHNICAL DATA
2 x 1 W portable/mains-fed stereo
power amplifier
KK
A7053N
N SUFFIX
PLASTIC DI
1
16
ORDERING INFORMATION
KK
A7053N
Plastic DIP
T
A
=
°
to 150
°
C
The
KK
A7053N 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.
No external components
Short-circuit-proof
QUICK REFERENCE DATA
PARAMETER
CONDITIONS
Supply voltage range
R
L
=
∞
Output power
R
L
= 8
, V
P
= 6 V, THD = 10%
Internal voltage gain
R
L
= 8
, V
P
= 6 V
Total harmonic distortion
P
O
= 0.1 W, R
L
= 8
, V
P
= 6 V
PINNING
No switch-ON/OFF clicks
Good overall stability
Low power consumption
SYMBOL
V
P
I
tot
P
O
Gv
MIN.
3
MAX.
18
UNIT
V
Total quiescent current
-
16
mA
-
1
W
38
40
dB
THD
-
1.0
%
Pin
№
01
02
03
04
05
06
07
08
Symbol
SGND1
IN1
n.c.
n.c.
V
P
IN2
SGND2
n.c.
Description
Pin
№
09
10
11
12
13
14
15
16
Symbol
OUT2A
GND2
n.c.
OUT2B
OUT1B
GND1
n.c.
OUT1A
Description
signal ground 1
input 1
not connected
not connected
supply voltage
input 2
signal ground 2
not connected
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
KK
A7053N 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
KK
A7053N overcomes this problem by using the Bridge-Tied-Load (BTL) principle and is capable of delivering
1.2 W into an 8
load (V P = 6 V). The load can be short-circuited under all input conditions.
1
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