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What is KIA6206F?

This electronic component, produced by the manufacturer "KEC", performs the same function as "DUAL HEADPHONE DRIVER".


KIA6206F Datasheet PDF - KEC

Part Number KIA6206F
Description DUAL HEADPHONE DRIVER
Manufacturers KEC 
Logo KEC Logo 


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K" E C
SEMTEICCHONINCADLUDCATTAOR
KIA6206F
BIPOLAR LINEAR INTEGRATED CIRCUIT
DUAL HEADPHONE DRIVER (1.5V USE)
KIA6206F is a dual Headphone Driver IC
designed for low voltage operation. (1.5V, 3.0V)
Which is suitable for stereo headphone radio and
radio cassette recorder equipments. This item can
realize the low power dissipation and have high
power output capability.
FEATURES
* Condenser-less for input and output.
* Condenser-less for bootstrap.
* Built-in the muting function.
* High power output capability according to adopting
the matrix drive method.
PouTd)=14mW/ch(Typ.) at VIN(R)=VIN(L) Mode
PouT(2)=5.5mW/ch(Typ.) at V I N ( R ) = - V I N ( L ) Mode
POUT(3)=10.5mW/ch(Typ.) at VIN(R)=0 or VIN(L)=0
(Vcc=1.5V, RL=32 Q, f=lkHz, THD=10%)
* Operating supply voltage range.
: Vcc(opr)=0.9 ~ 5.0V(Ta=25°C)
MAXIMUM RATINGS (Ta=25°C)
CHARACTERISTIC
SYMBOL RATING
UNIT
Supply Voltage
Vcc 5 V
Output Current
Io(peak)
160
mA
Power Dissipation (Note)
PD
350 mW
Operating Temperature
T0pr - 2 5 - 7 5 °C
Storage Temperature
Tstg
-55-150
°C
Note : Derated above Ta=25°C in the proportion of 2.8mW/°C
for KIA6206F.
DIM
A
B1
B2
C
D
G
H
L
P
T
MILLIMETERS
8.2± 0.2
4.6± 0.2
6.5± 0.3
1.5± 0.2
0.4±0.1
0.1+0.1/—0.05
1.9 MAX
0.525± 0.2
1.0
0.15+0.1/—0.05
MFP-16
1994. 11. 11
Revision No : 0
KEC
1/9

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KIA6206F equivalent
KIA6206F
SUMMARY OF MATRIX DRIVE METHOD
Though the BTL is usually used to obtain
enough power at low voltage, it can not
be used for the headphone driver (especially,
1.5V USE), which has only one left-and right
common line.
Then a new modified BTL drive method is
developed, which is called "Matrix Drive Method".
It has only one common line.
Fig.l Shows the Principle. The input signals
of the audio frequency are applied to the
terminal of L/R. These are transformed by the
matrix converter into the outputs, as following :
V® = L-aR
V ® = - a (L+R)
V© = R-aL
: matrix ratio L,R : input signal
And the output signals of L/R loads are given by
VL - V ® - V ® = (1+flOL
VR = V ® - V ® = (1+flOR
Thus, each output signal does not leak to another
channel load.
This gain is (1 + a) times as high as a conventional
single amplifiers.
However the undistorted maximum output is determined
by each clipping point of lines, ® , ® , and © .
Therefore, the most effective point is determined
by the following states of input. As the state of input is at
L=R mode, a is 1/3, so this system is operated most effectively.
At L=-R mode, a is whatever. And at single input mode (L or R only), a is 1.
It is a common saying that the practical musical source consists of the common
phase component in most. And the low frequency of that causes the clipping to
product mostly. Therefore in this item, a is 1/3.
In result at L=R mode, this gain is obtained twice as high as a single amplifiers.
At single input mode, 4/3 times, at L=-R mode, is obtained as same as a single.
Fig. 1
Fig. 2
L or R only
L=—R
1994. 11. 11
Revision No : 0
KEC
5/9


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KIA6206FThe function is DUAL HEADPHONE DRIVER. KECKEC

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