STK4112II datasheet(2/8 Pages) SANYO

部件名	STK4112II

功能描述	AF Power Amplifier (Split Power Supply) (10W 10W min, THD = 0.4%)

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制造商	SANYO [Sanyo Semicon Device]

网页	https://www.sanyo-av.com/us/

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2 / 8 page

STK4112II

No. 2322—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 out-

put 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 = ±17V, RL = 8Ω, Rg = 600Ω, VG = 40dB,

RL : non-inductive load

Parameter

Symbol

Conditions

min

typ

max

Unit

Quiescent current

Icco

VCC = ±20.5V

20

40

100

mA

Output power

Po (1)

THD = 0.4%,

f = 20Hz to 20kHz

10

W

Po (2)

VCC = ±14V, THD = 1.0%,

RL = 4Ω, f = 1kHz

10

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

Ω

Output noise voltage

VNO

VCC = ±20.5V, Rg = 10kΩ

1.2

mVrms

Neutral voltage

VN

VCC = ±20.5V

-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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