Multimedia ICs
BA7760 / BA7760F
Input / output circuits
•
40kΩ
MUTE CTRL 13
Fig. 1
Electrical characteristics (unless otherwise noted, Vcc = 12V, Ta = 25°C)
•
Parameter
Supply current
Symbol
Iq
Min.
3.65
Typ.
4.87
Max.
6.09
Unit
mA
Conditions
—
MIC AMP (GVC= 36dB, f = 1kHz)
Open loop voltage gain
Input conversion noise
GVOM
55.0
—
65.0
—
dB
VIN = – 70dBV
VnM
– 122
– 114
dBV
Rg = 2.2kΩ, DIN AUDIO
VIN = – 40dBV
B.W. = 0.4 ~ 30kHz
Distortion
THDM
—
0.008
0.1
%
THD = 1%
B.W. = 0.4 ~ 30kHz
Maximum output level
Input impedance
Crosstalk
VomM
ZinM
8.3
92
—
10.4
123
—
—
dBV
kΩ
VIN = – 40dBV, 100kΩAttenuation
VIN = – 36dBV
Rg = 2.2kΩ, DIN AUDIO
CTM
– 86
– 78
dBV
MIX BF (f = 1kHz)
Voltage gain
GVB
VnB
– 0.7
—
0
0.7
dB
VIN = – 10dBV
Output residual noise
– 110
– 100
dBV
Rg = 2.2kΩ, DIN AUDIO
VIN = – 10dBV
B.W. = 0.4 ~ 30kHz
Distortion
THDB
VOMB
—
0.002
10.5
0.07
—
%
THD = 1%
B.W. = 0.4 ~ 30kHz
Maximum output level
8.3
dBV
Input impedance
Mute level
ZinB
MTB
50.0
—
66.5
– 110
2.62
—
– 100
3.12
kΩ
dBV
V
VIN = – 10dBV, 50kΩAttenuation
VIN = – 10dBV, DIN AUDIO
—
Mute threshold voltage
VTHMUTE
2.12
3
ROHM [ ROHM ]
