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參數(shù)資料
| 型號： | AS2522B-T |
| 廠商： | ams |
| 文件頁數(shù)： | 14/20頁 |
| 文件大小： | 0K |
| 描述： | IC LINE INTERFACE TELEPH 32-TQFP |
| 標(biāo)準(zhǔn)包裝： | 2,000 |
| 系列： | * |
Data Sheet AS2522B
austriamicrosystems
Revision 3.4
Page 2 of 19
Pin description
Pin #
Symbol
Function
13
LS
Line Current Sense Input
Analog input for sensing the line current
10
LI
Line Input
Analog input used for power extraction and line current sensing
11
RI
Receive Input
Analog input for ac-separated receive signal
7STB
Side Tone Balance Input
Analog input for side tone cancellation network
8CS
Current Shunt 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
Complex Impedance Input
Analog input pin for the capacitor to program a complex impedance
12
SS
Supply Source 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
Voltage Source Source
Negative Analog Power Supply
18
VDD
Voltage Drain Drain
Positive Analog Power Supply
19
AGND
Analog Ground
Special ground for the internal amplifiers
6M1
Microphone Input 1
Differential input for the handset microphone (electret)
4M2
Microphone Input 2
Differential input for the handset microphone (electret)
5M3
Microphone Input 3
Differential input for the handsfree microphone (electret)
3M4
Microphone Input 4
Differential input for the handsfree microphone (electret)
17
RO
Receive Output to Handset
Output for driving a dynamic earpiece with an impedance from 150
to 300
31
OSC
Oscillator Input
Input for ceramic resonator 3.58MHz.
ams
AG
Technical
content
still
valid
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AS2522B | IC LINE INTERFACE TELEPH 32-TQFP |
| AS2524-T | IC LINE INTERFACE/SPKRPH 28-SOIC |
| AS2524 | IC LINE INTERFACE/SPKRPH 28-SOIC |
| AS2533 | IC TELEPHONE CMOS MULTIFU 28SOIC |
| AS2536 | IC TELEPHONE CMOS MULTIFU 28SOIC |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 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 |
| AS2523_13 | 制造商:AMSCO 制造商全稱:austriamicrosystems AG 功能描述:Telephone Line Interface and Speakerphone Circuit |
| AS25230FLF | 制造商:TT Electronics / IRC 功能描述:AS25230FLF |
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