AS2524B austriamicrosystems AG, AS2524B Datasheet - Page 15

• Manufacturer Part Number: AS2524B
• Description: Telephone Line Interface and Speakerphone Circuit
• Manufacturer: austriamicrosystems AG

Data Sheet AS2523, AS2524, AS2524B
Test circuit
Revision 1.12, Preliminary
V
Z
V
Z
V
ST
RL
Symbol
Z
NO
IN-RI
INmax
IN-STB
INmax
AC/°C
Idc
VSS
Noise Output Voltage
RO
Input Imp. RI
Input Voltage Range RI
Input Imp. STB
Input Volt. Range STB
Side tone
Return Loss
Temp. Variation
I1
Parameter
VSS
R1
600R
Vac
D1
10V
BC327
VSS
Q1
VSS
T
Gain = 7.5dB
V
Z
C2
47uF
AMP
AC(syn)
RI
VSS
<=0.25VRMS
=25°C
Q1
BC327
R1
30R
R1
300R
R1
6k
VSS
Conditions
=1000
C1 10uF
C2 1uF
D1
5V1
VSS
15
13
12
10
16
11
24
14
22
9
VSS
VSS
VSS
VSS
LS
RI
LI
STB
CS
CI
VSS
VSSA
SS
VPP
U2
AS2523/24
Min
26
18
xCS / xMUTE
CLK / HFI
TONE IN
DI / xPD
RECV
RECI
CBN
Type
RO
M3
M4
M1
M2
LO
0.5
±2
±2
80
8
C3
28
7
5
8
6
17
20
21
23
25
26
27
1
1n
C2
C4
C7
VSS
C6 100nF
C6 100nF
C6 100nF
C6 100nF
C6 100nF
C6 100nF
C2
1uF
Max
-68
austriamicrosystems
10uF
100nF
100uF
R2
32R
Vac
Vac
Units
dBmp
3
2
1
VSS
k
k
Vp
Vp
dB
dB
/°C
V3
R3
VSS
VSS
R4
10k
R5
10k
Vac
Test
N
N
Y
Y
Y
150R
VSS
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