參數(shù)資料
型號(hào)： TEA6324T-T
廠商： NXP SEMICONDUCTORS
元件分類： 音頻／視頻放大
英文描述： 2 CHANNEL, AUDIO PREAMPLIFIER, PDSO24
文件頁(yè)數(shù)： 36/36頁(yè)
文件大?。?/td> 164K
代理商： TEA6324T-T
1997 Mar 13
9
Philips Semiconductors
Preliminary specication
Sound control circuit
TEA6324T
Voffset
DC step offset between any adjoining
step
Gv =0to 66 dB
0.2
10
mV
Gv =20to0dB
215
mV
DC step offset between any step to
mute
Gv =0to 66 dB
10
mV
Volume I control
CRtot(vol)1 continuous volume control range
51
dB
Gv
voltage gain
31
+20
dB
Gstep
step resolution
1
dB
Bass control
Gbass
bass control, maximum boost
f = 46 Hz
16
18
19
dB
maximum attenuation
f = 46 Hz
16
18
19
dB
Gstep
step resolution (toggle switching)
f = 46 Hz
1.8
dB
step error between any adjoining step
f = 46 Hz
0.5
dB
Voffset
DC step offset in any bass position
25
mV
Treble control
Gtreble
treble control, maximum boost
f = 15 kHz
11
12
13
dB
maximum attenuation
f = 15 kHz
11
12
13
dB
maximum boost
f
> 15 kHz
15
dB
Gstep
step resolution (toggle switching)
f = 15 kHz
1.5
dB
step error between any adjoining step
f = 15 kHz
0.5
dB
Voffset
DC step offset in any treble position
10
mV
Volume II and balance control
CRtot(vol)2 continuous attenuation of volume
control range
53.5
55
56.5
dB
Gstep
step resolution
12
dB
attenuation set error
1.5
dB
Mute function (see Fig.9)
HARDWARE MUTE
Vsw
mute switch level (2
× VBE)
1.45
V
mute active
VswLOW
input level
1.0
V
Ii
input current
VswLOW =1V
300
A
mute passive: level internally dened
VswHIGH
saturation voltage
VCC
V
td(mute)
delay until mute passive
0.5
ms
ZERO CROSSING MUTE
Idch
discharge current
0.3
0.6
1.2
A
Ich
charge current
300
150
A
VswDEL
delay switch level (3
× VBE)
2.2
V
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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