an12940aa Panasonic Corporation of North America, an12940aa Datasheet - Page 22

• Manufacturer Part Number: an12940aa
• Description: Audio Signal Processing Ic For Notebook Pc
• Manufacturer: Panasonic Corporation of North America

AN12940AA
■ Technical data (continued)
22
2. Main characteristics (continued)
4) Pre-amplifier
−10
−20
−30
−40
−50
−60
−10
−20
−30
−40
−50
−60
(1) R-in → Pin 50 mode
10
10
0
0
−80
−80
V
V
R-in → pin 50
f
P18 = High
High sensitivity mode
V
V
R-in → pin 50
f
Pin 18 = Low
Low sensitivity mode
req
req
CC
CC_
CC
CC_
= 1 kHz
= 1 kHz
= 5 V
= 5 V
SP = 5 V
SP = 5 V
−70
−70
Signal detection system
Signal detection system
I/O characteristics
I/O characteristics
Input level (dBV)
Input level (dBV)
−60
−60
−50
−50
−40
−40
−30
-30
SDC00044AEB
−10
−20
−30
−10
−20
−30
0
0
0.01
0.01
pre-amplifier I/O distorted characteristics
pre-amplifier frequency characteristics
V
V
R-in → pin 50
V
Pin 18 = Low
Low sensitivity mode
CC
CC_
IN
= −45 dBV
= 5 V
SP = 5 V
Signal detection system
Signal detection system
0.1
0.1
Input frequency (kHz)
Input frequency (kHz)
1
1
V
V
R-in → pin 50
V
Pin 18 = High
High sensitivity mode
CC
CC_
IN
= −45 dBV
= 5 V
SP = 5 V
10
10
100
100