TEA6324 데이터 시트보기 (PDF) - Philips Electronics

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TEA6324

Sound control circuit

Philips Electronics 

Philips Semiconductors

Sound control circuit

Preliminary specification

TEA6324T

SYMBOL

PARAMETER

Voffset

DC step offset between any adjoining

step

DC step offset between any step to

mute

CONDITIONS

Gv = 0 to −66 dB

Gv = 20 to 0 dB

Gv = 0 to −66 dB

Volume I control

CRtot(vol)1

Gv

Gstep

continuous volume control range

voltage gain

step resolution

Bass control

Gbass

bass control, maximum boost

maximum attenuation

Gstep

step resolution (toggle switching)

step error between any adjoining step

Voffset

DC step offset in any bass position

Treble control

f = 46 Hz

f = 46 Hz

f = 46 Hz

f = 46 Hz

Gtreble

treble control, maximum boost

maximum attenuation

maximum boost

Gstep

step resolution (toggle switching)

step error between any adjoining step

Voffset

DC step offset in any treble position

Volume II and balance control

f = 15 kHz

f = 15 kHz

f > 15 kHz

f = 15 kHz

f = 15 kHz

CRtot(vol)2 continuous attenuation of volume

control range

Gstep

step resolution

attenuation set error

Mute function (see Fig.9)

HARDWARE MUTE

Vsw

mute switch level (2 × VBE)

mute active

VswLOW input level

Ii

input current

mute passive: level internally defined

VswLOW = 1 V

VswHIGH

td(mute)

saturation voltage

delay until mute passive

ZERO CROSSING MUTE

Idch

Ich

VswDEL

discharge current

charge current

delay switch level (3 × VBE)

1997 Mar 13

9

MIN.

−

−

−

TYP.

0.2

2

−

MAX. UNIT

10

mV

15

mV

10

mV

−

51

−31 −

−

1

16

18

16

18

−

1.8

−

−

−

−

11

12

11

12

−

−

−

1.5

−

−

−

−

53.5 55

−

1

−

−

−

dB

+20 dB

−

dB

19

dB

19

dB

−

dB

0.5 dB

25

mV

13

dB

13

dB

15

dB

−

dB

0.5 dB

10

mV

56.5 dB

2

dB

1.5 dB

−

1.45

−

V

−

−

−300 −

1.0 V

−

µA

−

−

−

−

VCC V

0.5 ms

0.3 0.6

1.2 µA

−300 −150

−

µA

−

2.2

−

V

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