as2522bq austriamicrosystems, as2522bq Datasheet - Page 12

• Manufacturer Part Number: as2522bq
• Description: Telephone Line Interface And Speakerphone Circuit
• Manufacturer: austriamicrosystems

Data Sheet AS2522B
Transmit characteristics
I
Revision 3.4
Line
A
A
A
A
THD
V
V
A
t
t
Z
Z
V
V
A
Symbol
attack
decay
A
IN-M1/2
IN-M3/4
M1/2TX
M3/4TX
VRM12
VRM34
AGC1
AGC2
SCO
INmax
NO
MUTE
=15mA f=800Hz, default settings unless other specified
TX
Transmit Gain
M1/M2
Transmit Gain
M3/M4
Variation with frequency
Control range
M1/M2
Control range
M2/M4
Distortion
Soft Clip Level
M1/M2
Soft Clip Level
M3/M4
Soft Clip Overdrive
M1/M2 - M3/M4
Attack time
Decay time
Input Impedance
M1/M2
Input Impedance
M3/M4
Input Voltage Range
M1/2 - M3/4
Noise Output Voltage
LS
Mute Attenuation
Parameter
LS
LS
LS
LS
LS at LS
LS at LS
Z
Z
f = 500Hz … 3.4kHz
16 steps
16 steps
V
differential
T
Handset mode
Gain = 36.5dB
Mute activated
AC(syn)=
AC(syn)
LS
AMP
=0.25VRMS
=25°C
Conditions
=1000
1000
Min
35
43
60
+36.5
+45.0
Type
-7/+8
-7/+8
±0.8
100
±1
20
70
10
10
2
2
Max
-72
38
47
2
ms/6dB
us/6dB
Units
dBmp
dBr
dBr
k
k
VP
VP
dB
dB
dB
dB
Vp
dB
%
Test
Y
Y
N
N
N
Y
N
N
N
N
N
N
N
N
Y
Y
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