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參數(shù)資料
| 型號： | BA7725 |
| 廠商： | Rohm CO.,LTD. |
| 英文描述： | Analog compander for KARAOKE echo systems |
| 中文描述： | 卡拉OK擴展器模擬回聲系統(tǒng) |
| 文件頁數(shù)： | 5/8頁 |
| 文件大?。?/td> | 94K |
| 代理商： | BA7725 |
5
Multimedia ICs
BA7725S / BA7725FS
Electrical characteristics (unless otherwise noted, Ta = 25°C, Vcc = 9V)
Parameter
Symbol
Min.
Typ.
Max.
Unit
Conditions
Supply current
I
CC
4.3
5.7
7.6
mA
No input
Line through output level
V
OLL
– 9.0
– 8.0
– 7.0
dBV
V
IN
= – 26.0dBV
V
IN
= – 26.0dBV, MIC OFF,
1
THD = 1%,
1
Line through output distortion
THD
LL
—
0.15
0.5
%
Line through maximum output level
V
OML
+ 5.0
+ 7.2
—
dBV
Line through noise level
V
ONL
—
– 92
– 77
dBV
Microphone through output level
V
OML
– 10.5
– 8.5
– 6.5
dBV
V
IN
= – 52dBV
V
IN
= – 52dBV,
1
Microphone through output distortion
THD
ML
—
0.2
0.5
%
Microphone through input conversion noise
V
ONM
—
– 114
– 104
dBV
Input shorted
V
IN
= – 44dBV, MIC OFF,
2
Microphone through crosstalk
CT
ML
—
– 91
– 75
dBV
Compress output level
V
OMC
– 6.5
– 4.5
– 2.5
dBV
V
IN
= – 52dBV
V
IN
= – 52dBV,
1
Rg = 600
,
2
Compress output distortion
THD
MC
—
0.5
2.0
%
Compress noise level
V
ONC
—
– 55
– 45
dBV
Compress characteristics
CMP
—
– 11.0
—
dB
V
ODL1
– 11.7
– 9.7
—
dBV
V
IN
= – 5.0dBV, V
4
= 9.0V
Expand output distortion
THD
DL
—
0.25
2.0
%
Expand characteristic
EXP
—
– 19.5
—
dB
V
ODL2
—
– 54
– 44
dB
V
ODC1
– 7.5
– 5.5
—
dBV
V
IN
= – 5.0dBV, V
6
= 9.0V
V
ODC2
—
– 42
– 32
dBV
MIC OFF holding voltage
V
4OFF
0.0
—
—
—
1.0
V
MIC ON holding voltage
1 BW = 0.4-30kHz
2 DIN AUDIO
V
4ON
2.0
—
9.0
V
V
IN
= – 42dBV
→
– 62dBV
Output level differential
Expand output level 1
Expand output level 2
Loop
INPUT : DLY BF IN, OUTPUT : CMP BF OUT
V
IN
= 0dBV
→
– 10.0dBV
Output level differential
V
IN
= – 5.0dBV,
V
4
= 2.0V (VR = Min. time)
Output level differential relative to Vo
DL1
V
IN
= – 5.0dBV,
V
6
= 2.0V (VR = Min. time)
Output level differential relative to Vo
DC1
Loop output level 1
Loop output level 2
LINE THROUGH
INPUT : LINE IN, OUTPUT : LINE OUT
MIC THROUGH
INPUT : MIC AMP IN, OUTPUT : LINE OUT
COMPRESS
INPUT : MIC AMP IN, OUTPUT : CMP BF OUT
EXPAND
INPUT : DLY BF IN, OUTPUT : LINE OUT
Mode holding voltage
Unless otherwise noted, V4 = 9.0V (MIC ON), V6 = 9.0V (Max. LOOP GAIN)
MIC OFF, Rg = 600
,
2
V
IN
= – 5.0dBV, V
4
= 9.0V,
1
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| BA7725FS | 制造商:ROHM 制造商全稱:Rohm 功能描述:Analog compander for KARAOKE echo systems |
| BA7725S | 制造商:ROHM 制造商全稱:Rohm 功能描述:Analog compander for KARAOKE echo systems |
| BA7725S/FS | 制造商:ROHM 制造商全稱:Rohm 功能描述:Multimedia LSIs |
| BA7726 | 制造商:ROHM 制造商全稱:Rohm 功能描述:Analog compander with vocal fader for KARAOKE |
| BA7726AFS | 制造商:ROHM 制造商全稱:Rohm 功能描述:Analog compander with vocal fader for KARAOKE |
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