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STK4142 Datasheet (HTML) - Sanyo Semicon Device

Part No. STK4142
Description  AF Power Amplifier (Split Power Supply)
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Maker  SANYO [Sanyo Semicon Device]
Homepage  http://www.ssdc-jp.com/eng/
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STK4142II
No. 2665—2/8
Notes.
For power supply at the time of test, use a constant-voltage power supply
unless otherwise specified.
For measurement of the available time for load short-circuit and output
noise voltage, use the specified transformer power supply shown right.
The output noise voltage is represented by the peak value on rms scale
(VTVM) of average value indicating type. For AC power supply, use an
AC stabilized power supply (50Hz) to eliminate the effect of flicker noise
in AC primary line.
Operating Characteristics at Ta = 25
°C, V
CC = ±26V, RL = 8Ω, Rg = 600Ω, VG = 40dB,
RL : non-inductive load
Parameter
Symbol
Conditions
min
typ
max
Unit
Quiescent current
Icco
VCC = ±31V
20
40
100
mA
Output power
Po (1)
THD = 0.4%,
f = 20Hz to 20kHz
25
W
Po (2)
VCC = ±22V, THD = 1.0%,
RL = 4Ω, f = 1kHz
25
W
Total harmonic distortion
THD
Po = 1.0W, f = 1kHz
0.3
%
Frequency response
fL, fH
Po = 1.0W,
dB
20 to 50k
Hz
Input impedance
ri
Po = 1.0W, f = 1kHz
55
k
Output noise voltage
VNO
VCC = ±31V, Rg = 10kΩ
1.2
mVrms
Neutral voltage
VN
VCC = ±31V
–70
0
+70
mV
Muting voltage
VM
–2
–5
–10
V
+0
–3
Specified Transformer Power Supply
(Equivalent to RP-22)
Equivalent Circuit



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