STK4024V Sanyo Semiconductor Corporation, STK4024V Datasheet - Page 4
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STK4024V
Manufacturer Part Number
STK4024V
Description
Af Power Amplifier Split Power Supply
Manufacturer
Sanyo Semiconductor Corporation
Datasheet
1.STK4024V.pdf
(5 pages)
Description of External Parts
R
C
R
R
C
R
R
R
C
C
C
R
R
C
1
2
2
4
3
3
6
7
6
8
5
8
9
11
, C
, R
, R
, C
, C
, C
, C
(R
, C
1
5
7
4
9
10
13
2
12
)
: Input filter circuit
: Input coupling capacitor
: Input bias resistor
: NFB circuit (AC NF circuit). Use of resistor with 1% error is suggested.
: Differential constant-current bias resistor
: For oscillation suppression and phase compensation applications
: For oscillation suppression and phase compensation applications
: For oscillation suppression and phase compensation applications
: For oscillation suppression and phase compensation applications
: For oscillation suppression and distortion improvement applications
: Ripple filter circuit on positive (+) side.
: Ripple filter circuit on negative (–) side.
: For oscillation suppression applications
• Reduces high-frequency noise.
• DC current suppression. A reduction in reactance is effective because of increases in capacitor
• Biases the input pin to zero.
• Effects V
• Due to differential input, input resistance is more or less determined by this resistance value.
• VG settings are obtained using R
• Low-frequency cutoff frequency settings are obtained using R
When changing the VG setting, you should change R
frequency setting. When the VG setting is changed using R
that V
V
(For use with differential stage applications)
(A Mylar capacitor is recommended for C
Power stage (Must be connected near the pin)
(Oscillation suppression before power step clip)
• Used for reducing power supply impedance to stable IC operation and should be connected near the IC
reactance at low frequencies and 1/f noise dependence on signal source resistance which result in
output noise worsening.
equation:
N
pin. We recommend that you use an electrolytic capacitor.
balance may be disturbed and result in deterioration of V
log20·
f
L
N
=
balance stability is maintained. If the resistor value is increased more than the existing value,
2 ·R
N
R
R
stability (refer to NF circuit).
4
5
1
4
·C
3
[Hz]
40 dB is recommended.
4
and R
STK4024V
4
5
for use with output stage applications)
according to the following equation:
C
6
4
: Positive (+) power
which requires a recheck of the low cutoff
5
N
, the setting should ensure R
temperature characteristics.
4
and C
3
according to the following
C
9
: Negative (–) power
2
equals R
No. 4388-4/5
5
so