STK4121V datasheet(2/3 Pages) SANYO

No de pièce	STK4121V

Description	AF Power Amplifier (Split Power Supply) (15 W 15 W min, THD = 0.08 %)

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Fabricant	SANYO [Sanyo Semicon Device]

Site Internet	https://www.sanyo-av.com/us/

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STK4121V

No. 4477-2/3

Operating Characteristics

at Ta = 25°C, VCC = ±21.5 V, RL = 8 Ω, Rg = 600 Ω, VG = 40 dB, RL: non-inductive load

Ratings

Parameter

Symbol

Conditions

min

typ

max

Unit

Quiescent current

ICCO

VCC = ±26 V

20

40

100

mA

Output power

PO (1)

THD = 0.08%, f = 20 Hz to 20 kHz

15

W

PO (2)

VCC = ±18 V, THD = 0.2%, RL = 4 Ω, f = 1 kHz

15

W

Total harmonic distortion

THD

PO = 1.0 W, f = 1 kHz

0.08

%

+0

Frequency response

fL, fH

PO = 1.0 W,

dB

20 to 50 k

Hz

–3

Input impedance

ri

PO = 1.0 W, f = 1 kHz

55

k

Ω

Output noise voltage

VNO

VCC = ±26 V, Rg = 10 kΩ

1.2

mVrms

Neutral voltage

VN

VCC = ±26 V

–70

0

+70

mV

Muting voltage

VM

–2

–5

–10

V

Notes

• Use a constant voltage power supply for the test power supply unless otherwise noted.

• Use the transformer power supply shown in the figure above when measuring the available time for load short circuit and the output noise voltage.

• The output noise voltage is the peak value measured with an averaging rms scale volt meter (VTVM). A 50 Hz AC stabilized power supply should be used

to eliminate the effects of AC primary line flicker noise when an AC power supply is used.

Equivalent Circuit

Unit ( resistance:

Ω, capacitance:F)

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