AS2523 austriamicrosystems, AS2523 Datasheet - Page 2
![no-image](/images/manufacturer_photos/0/0/84/austriamicrosystems_sml.jpg)
AS2523
Manufacturer Part Number
AS2523
Description
IC, LINE/SPEAKER PHONE CIRCUIT, SOIC-28
Manufacturer
austriamicrosystems
Datasheet
1.AS2523.pdf
(19 pages)
Specifications of AS2523
Audio Control Type
Volume
Control Interface
Serial
Control / Process Application
Handsfree Feature Phones With CallerID & Extended Displays
Supply Voltage Range
3V To 5V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AS2523
Manufacturer:
FUJITSU
Quantity:
67
Part Number:
AS2523
Manufacturer:
AMIS
Quantity:
20 000
Data Sheet AS2523, AS2524, AS2524B
Pin description
Revision 1.13
Pin #
15
12
13
10
16
14
11
18
19
17
9
8
6
7
5
Symbol
AGND
VDD
STB
VSS
RO
CS
SS
M1
M2
M3
M4
LS
RI
CI
LI
L
Analog input for sensing the line current
L
Analog input used for power extraction and line current sensing
R
Analog input for ac-separated receive signal
S
Analog input for side tone cancellation network
C
N-channel open drain output to control the external high power shunt transistor for
synthesizing AC- and DC-impedance, modulation of line voltage and shorting the line during
make periods of pulse dialing
C
Analog input pin for the capacitor to program a complex impedance
S
N-channel open drain output to control the external high power source transistor for supplying
(Vpp) the loudspeaker amplifier in off-hook loudspeaking/handsfree mode
V
Negative Analog Power Supply
V
Positive Analog Power Supply
A
Special ground for the internal amplifiers
M
Differential input for the handset microphone (electret)
M
Differential input for the handset microphone (electret)
M
Differential input for the handsfree microphone (electret)
M
Differential input for the handsfree microphone (electret)
R
Output for driving a dynamic earpiece with an impedance from 150Ω to 300Ω
ine Current
ine
ide
upply
oltage
oltage
nalog
eceive
urrent
omplex
eceive
icrophone Input
icrophone Input
icrophone Input
icrophone Input
I
T
nput
one
S
G
S
S
D
I
O
ource Control Output
I
nput
round
hunt Control Output
ource
mpedance Input
rain
utput to
B
S
alance Input
D
ense Input
S
rain
1
2
3
4
ource
H
andset
Function
austriamicrosystems
Page 2 of 19