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參數(shù)資料
| 型號： | BA7726 |
| 廠商： | Rohm CO.,LTD. |
| 英文描述： | Analog compander with vocal fader for KARAOKE |
| 中文描述： | 模擬擴(kuò)展器與卡拉OK演唱推子 |
| 文件頁數(shù)： | 5/11頁 |
| 文件大?。?/td> | 148K |
| 代理商： | BA7726 |
5
Multimedia ICs
BA7726AS / BA7726AFS
Electrical characteristics (unless otherwise noted, Ta = 25°C, Vcc = 9.0V)
Parameter
Symbol
Min.
Typ.
Max.
Unit
Conditions
Supply current
LINE THROUGH
INPUT : LINE IN, OUTPUT : LINE OUT
I
CC
5.5
8.4
12.7
mA
No input
Line through output level
V
OLL
– 9.0
– 8.0
– 7.0
dBV
V
IN
= – 20.0dBV
V
IN
= – 20.0dBV
1
Line through output distortion
THD
LL
—
0.026
0.2
%
Line through max. output level
V
OMLL
+ 7.8
+ 10.0
—
dBV
Line through noise level
V
ONLL
—
– 100
– 85
dBV
MIC OFF (V
ECHO
= 0.1
×
V
CC
)
V
IN
– 12dBV, Rg = 1k
2
Interchannel crosstalk
CT
LL
—
– 85
—
dBV
MIC OFF (V
ECHO
= 0.1
×
V
CC
)
V
IN
= – 12dBV, Rg = 1k
2
Mute level
MT
—
– 100
– 85
dBV
MUTE (V
MUTE
= H)
MIC OFF (V
ECHO
= 0.1
×
V
CC
)
Through mode output level
V
OLLV
– 1.0
0.0
+ 1.0
dBV
V
IN
= – 12dBV
V
OLL1
– 1.0
0.0
+ 1.0
dB
V
OLL2
—
– 35
– 28
dB
Microphone through output level
V
OML
– 9.9
– 8.4
– 6.9
dBV
V
IN
= – 38dBV
Microphone through
equivalent input noise
V
ONML
—
– 117
– 102
dBV
Microphone input crosstalk
CT
ML
—
– 92
– 77
dBV
MIC OFF (V
ECHO
= 0.1
×
V
CC
)
ALC level
COMPRESS
INPUT : MIC AMP IN, OUTPUT : CMP BF OUT
V
OAML
+ 5.1
+ 6.6
+ 8.1
dBV
V
28
= 2.9V
Compress output level
V
OMC
– 5.5
– 3.5
– 1.5
dBV
V
IN
= – 38dBV
Compress characteristics
CMP
—
+ 5.2
—
dB
V
IN
= – 43dBV
→
– 33dBV
Output level differential
Expand output level
V
ODL
– 9.4
– 7.4
—
dBV
V
IN
= – 4dBV
Expand characteristics
EXP
—
+ 19.4
—
dB
Echo EVR attenuation ratio
—
– 50
– 40
dB
Loop output level
V
ODC
– 4.4
– 2.4
—
dBV
V
IN
= – 4dBV
Loop EVR attenuation ratio
—
– 29
—
dB
VOCAL CUT MODE
INPUT : LINE IN, OUTPUT : LINE OUT
MIC THROUGH
INPUT : MIC AMP IN, OUTPUT : LINE OUT
EXPAND
INPUT : DLY BF IN, OUTPUT : LINE OUT
Loop
INPUT : DLY BF IN, OUTPUT : CMP BF OUT
V
ODC
V
ODL
LOOP GAIN = Min. (V
LOOP
= 0.2
×
V
CC
)
V
IN
= – 4dBV and when V
IN
= Vodc
ECHO LEVEL = Min. (V
ECHO
= 0.2
×
V
CC
)
V
IN
= – 4dBV and when V
IN
= Vodl
V
IN
= – 9dBV
→
+ 1dBV, Output level differential
(V
LSTR
= H, V
LVFR
= OPEN, V
NOVC
= OPEN)
V
IN
= – 12dBV (dual ch.in.),VOCAL FADER
(V
LSTR
= H, V
LVFR
= OPEN, V
NOVC
= OPEN)
V
IN
= – 12dBV (single ch. in.),VOCAL FADER
MIC OFF (V
ECHO
= 0.1
×
V
CC
)
THD = 1%
1
Vocal suppression ratio 1
Vocal suppression ratio 2
1 Unless otherwise noted, mode settings are as follows.
MUTE (V
MUTE
= GND), STEREO (V
NOVC
= GND, V
LSTR
= OPEN, V
LVFR
= OPEN)
ECHO LEVEL = Max. (V
ECHO
= V
CC
), LOOP GAIN = Max. (V
LOOP
= V
CC
)
Signal frequency : 1kHz,
1 : B.W. = 0.4 ~ 30kHz,
2 : DIN AUDIO
2 All parameters conform to the Measurement circuit diagram.
No input, Rg = 1k
2
Rg = 1k
2
V
IN
= – 30dBV
2
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| BA7726AFS | 制造商:ROHM 制造商全稱:Rohm 功能描述:Analog compander with vocal fader for KARAOKE |
| BA7726AS | 制造商:ROHM 制造商全稱:Rohm 功能描述:Analog compander with vocal fader for KARAOKE |
| BA7726AS/AFS | 制造商:ROHM 制造商全稱:Rohm 功能描述:Multimedia LSIs |
| BA7730S | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Consumer IC |
| BA7731S | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Consumer IC |
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