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參數(shù)資料
| 型號： | AS2524B |
| 廠商： | AUSTRIAMICROSYSTEMS AG |
| 英文描述： | Telephone Line Interface and Speakerphone Circuit |
| 中文描述： | 電話線接口電路和揚聲器 |
| 文件頁數(shù)： | 2/19頁 |
| 文件大?。?/td> | 340K |
| 代理商： | AS2524B |
Data Sheet AS2523, AS2524, AS2524B
austria
micro
systems
Revision 1.12, Preliminary
Page 2 of 19
Pin description
Pin #
Symbol
Function
15
LS
L
ine Current
S
ense Input
Analog input for sensing the line current
12
LI
L
ine
I
nput
Analog input used for power extraction and line current sensing
13
RI
R
eceive
I
nput
Analog input for ac-separated receive signal
9
STB
S
ide
T
one
B
alance Input
Analog input for side tone cancellation network
10
CS
C
urrent
S
hunt Control Output
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
16
CI
C
omplex
I
mpedance Input
Analog input pin for the capacitor to program a complex impedance
14
SS
S
upply
S
ource Control Output
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
11
VSS
V
oltage
S
ource
S
ource
Negative Analog Power Supply
18
VDD
V
oltage
D
rain
D
rain
Positive Analog Power Supply
19
AGND
A
nalog
G
round
Special ground for the internal amplifiers
8
M1
M
icrophone Input
1
Differential input for the handset microphone (electret)
6
M2
M
icrophone Input
2
Differential input for the handset microphone (electret)
7
M3
M
icrophone Input
3
Differential input for the handsfree microphone (electret)
5
M4
M
icrophone Input
4
Differential input for the handsfree microphone (electret)
17
RO
R
eceive
O
utput to
H
andset
Output for driving a dynamic earpiece with an impedance from 150
to 300
相關PDF資料 |
PDF描述 |
|---|---|
| AS2525B | Single Chip Speaker Phone |
| AS2525 | Single-Chip Handsfree Phone CMOS Integrated Circuit |
| AS2534ET | Multi-Standard CMOS Single Chip Telephone IC with Dual Soft Clipping |
| AS2535 | Multi-Standard CMOS Single Chip Telephone IC with Dual Soft Clipping |
| AS2535P | Multi-Standard CMOS Single Chip Telephone IC with Dual Soft Clipping |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| AS2524BF | 制造商:AMSCO 制造商全稱:austriamicrosystems AG 功能描述:Telephone Line Interface and Speakerphone Circuit |
| AS2524BT | 制造商:AMSCO 制造商全稱:austriamicrosystems AG 功能描述:Telephone Line Interface and Speakerphone Circuit |
| AS2524F | 制造商:AMSCO 制造商全稱:austriamicrosystems AG 功能描述:Telephone Line Interface and Speakerphone Circuit |
| AS2524T | 制造商:AMSCO 制造商全稱:austriamicrosystems AG 功能描述:Telephone Line Interface and Speakerphone Circuit |
| AS2524-T | 功能描述:IC LINE INTERFACE/SPKRPH 28-SOIC RoHS:是 類別:集成電路 (IC) >> 接口 - 電信 系列:* 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS 產(chǎn)品變化通告:Product Discontinuation 06/Feb/2012 標準包裝:750 系列:* |
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