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參數(shù)資料
| 型號： | AS2522BQ |
| 廠商： | AUSTRIAMICROSYSTEMS AG |
| 元件分類： | 無繩電話/電話 |
| 英文描述： | Telephone Line Interface and Speakerphone Circuit |
| 中文描述： | SPEAKER PHONE CIRCUIT, PQFP32 |
| 封裝： | 7 X 7 MM, PLASTIC, TQFP-32 |
| 文件頁數(shù)： | 2/19頁 |
| 文件大?。?/td> | 365K |
| 代理商： | AS2522BQ |
Data Sheet AS2522B
austria
micro
systems
Revision 3.4
Page 2 of 19
Pin description
Pin #
Symbol
Function
13
LS
L
ine Current
S
ense Input
Analog input for sensing the line current
10
LI
L
ine
I
nput
Analog input used for power extraction and line current sensing
11
RI
R
eceive
I
nput
Analog input for ac-separated receive signal
7
STB
S
ide
T
one
B
alance Input
Analog input for side tone cancellation network
8
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
14
CI
C
omplex
I
mpedance Input
Analog input pin for the capacitor to program a complex impedance
12
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
9
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
6
M1
M
icrophone Input
1
Differential input for the handset microphone (electret)
4
M2
M
icrophone Input
2
Differential input for the handset microphone (electret)
5
M3
M
icrophone Input
3
Differential input for the handsfree microphone (electret)
3
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
31
OSC
O
scillator Input
Input for ceramic resonator 3.58MHz.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AS2523 | ECONOLINE: REC3-S_DRW(Z)/H4,H6 - Safety standards and approval: EN 60950 certified, rated for 250VAV (LVD test report)- Applied for Ul 1950 Component Recognised Certification- 3W DIP Package- 4kVDC & 6kVDC Isolation- Regulated Output- Continuous Short Circiut Protection Auto-Restarting |
| AS2524 | Telephone Line Interface and Speakerphone Circuit |
| AS2524B | Telephone Line Interface and Speakerphone Circuit |
| AS2525B | Single Chip Speaker Phone |
| AS2525 | Single-Chip Handsfree Phone CMOS Integrated Circuit |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AS2522BT | 制造商:ams 功能描述:AS Series 3 to 5 V Telephone Line Interface and Speakerphone Circuit - TQFP-32 |
| AS2522B-T | 功能描述:IC LINE INTERFACE TELEPH 32-TQFP RoHS:是 類別:集成電路 (IC) >> 接口 - 電信 系列:* 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS 產(chǎn)品變化通告:Product Discontinuation 06/Feb/2012 標(biāo)準(zhǔn)包裝:750 系列:* |
| AS2522B-Z | 制造商:ams 功能描述: |
| AS2523 | 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(xùn)模塊:Lead (SnPb) Finish for COTS 產(chǎn)品變化通告:Product Discontinuation 06/Feb/2012 標(biāo)準(zhǔn)包裝:750 系列:* |
| AS2523_1 | 制造商:AMSCO 制造商全稱:austriamicrosystems AG 功能描述:Telephone Line Interface and Speakerphone Circuit |
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