an12940aa Panasonic Corporation of North America, an12940aa Datasheet - Page 23

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

■ Technical data (continued)
2. Main characteristics (continued)
5) AGC
−10
−15
−20
−25
−30
−10
−20
−30
−10
−15
−20
−25
−30
(1) L−in,R−in → L−out,R− out mode
(2) Beep → L−out,R−out mode
15
10
−5
15
10
−5
5
0
0
5
0
−50
0.01
−50
AGC frequency distortion characteristics
V
V
L-in, R-in → L-out, R-out
V
RL = 8 Ω
AGC: on
Automatic detection on
CC
CC_
IN
= 1 kHz
= 5 V
Beep: AGC I/O characteristics
SP = 5 V
Reference output
Reference −1 dBV output
Reference −3 dBV output
Reference output distorition
Reference −1 dBV output distorition
Reference −3 dBV output distorition
Reference output
Reference −1 dBV output
Reference −3 dBV output
−40
−40
AGC I/O characteristics
0.1
Input frequency (kHz)
Input level (dBV)
Input level (dBV)
−30
−30
1
−20
V
V
L-in, R-in → L-out, R-out
f
RL = 8 Ω
AGC: on
Automatic detection on
−20
req
CC
CC_
= 1 kHz
= 5 V
SP = 5 V
V
V
Beep → L-out, R-out
f
RL = 8 Ω
AGC: on
Automatic detection on
req
CC
CC_
= 1 kHz
= 5 V
SP = 5 V
−10
−10
10
0
0
100
SDC00044AEB
Beep: AGC frequency distortion characteristics
0.01
0.01
−10
−20
−30
0.1
0.1
10
Beep: AGC output distortion characteristics
10
1
0
1
0.01
−50
−50
AGC output distortion characteristics
V
V
f
RL = 8 Ω
AGC: on
Automatic detection on
V
V
L-in, R-in → L-out, R-out
V
RL = 8 Ω
AGC: on
Automatic detection on
V
V
Beep → L-out, R-out
f
RL = 8 Ω
AGC: on
Automatic detection on
L-in, R-in → L-out, R-out
req
req
CC
CC_
CC
CC_
IN
CC
CC_
= 1 kHz
= 1 kHz
= 1 kHz
= 5 V
SP = 5 V
= 5 V
= 5 V
SP = 5 V
SP = 5 V
−40
−40
Reference output distorition
Reference −1 dBV output distorition
Reference −3 dBV output distorition
Reference output distorition
Reference −1 dBV output distorition
Reference −3 dBV output distorition
Reference output distorition
Reference −1 dBV output distorition
Reference −3 dBV output distorition
0.1
Input frequency (kHz)
Input level (dBV)
Input level (dBV)
−30
−30
1
−20
−20
−10
−10
AN12940AA
10
0
0
100
23