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BA7725FS Arkusz danych(PDF) 5 Page - Rohm

Numer części BA7725FS
Szczegółowy opis  Analog compander for KARAOKE echo systems
Download  8 Pages
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Producent  ROHM [Rohm]
Strona internetowa  http://www.rohm.com
Logo ROHM - Rohm

BA7725FS Arkusz danych(HTML) 5 Page - Rohm

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5
Multimedia ICs
BA7725S / BA7725FS
Electrical characteristics (unless otherwise noted, Ta = 25°C, Vcc = 9V)
Parameter
Symbol
Min.
Typ.
Max.
Unit
Conditions
Supply current
ICC
4.3
5.7
7.6
mA
No input
Line through output level
VOLL
– 9.0
– 8.0
– 7.0
dBV
VIN = – 26.0dBV
Line through output distortion
THDLL
0.15
0.5
%
Line through maximum output level
VOML
+ 5.0
+ 7.2
dBV
Line through noise level
VONL
– 92
– 77
dBV
Microphone through output level
VOML
– 10.5
– 8.5
– 6.5
dBV
VIN = – 52dBV
Microphone through output distortion
THDML
0.2
0.5
%
Microphone through input conversion noise
VONM
– 114
– 104
dBV
Input shorted
Microphone through crosstalk
CTML
– 91
– 75
dBV
Compress output level
VOMC
– 6.5
– 4.5
– 2.5
dBV
VIN = – 52dBV
Compress output distortion
THDMC
0.5
2.0
%
Compress noise level
VONC
– 55
– 45
dBV
Compress characteristics
CMP
– 11.0
dB
VODL1
– 11.7
– 9.7
dBV
VIN = – 5.0dBV, V4 = 9.0V
Expand output distortion
THDDL
0.25
2.0
%
Expand characteristic
EXP
– 19.5
dB
VODL2
– 54
– 44
dB
VODC1
– 7.5
– 5.5
dBV
VIN = – 5.0dBV, V6 = 9.0V
VODC2
– 42
– 32
dBV
MIC OFF holding voltage
V4OFF
0.0
1.0
V
MIC ON holding voltage
V4ON
2.0
9.0
V
VIN = – 42dBV
→ – 62dBV
Output level differential
Expand output level 1
Expand output level 2
VIN = 0dBV
→ – 10.0dBV
Output level differential
VIN = – 5.0dBV,
Output level differential relative to VoDL1
VIN = – 5.0dBV,
Output level differential relative to VoDC1
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
〈Loop〉 INPUT : DLY BF IN, OUTPUT : CMP BF OUT
〈Mode holding voltage〉
Unless otherwise noted, V4 = 9.0V (MIC ON), V6 = 9.0V (Max. LOOP GAIN)
1 BW = 0.4-30kHz
2 DIN AUDIO
V6 = 2.0V (VR = Min. time)
V4 = 2.0V (VR = Min. time)
VIN = – 26.0dBV, MIC OFF,1
MIC OFF, Rg = 600
Ω,2
VIN = – 52dBV,1
VIN = – 44dBV, MIC OFF,2
VIN = – 52dBV,1
Rg = 600
Ω,2
VIN = – 5.0dBV, V4 = 9.0V,1
THD = 1%,1


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