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參數(shù)資料
| 型號： | AS2535 |
| 廠商： | AUSTRIAMICROSYSTEMS AG |
| 英文描述： | Multi-Standard CMOS Single Chip Telephone IC with Dual Soft Clipping |
| 中文描述： | 多標準單芯片的CMOS集成電路電話雙軟剪輯 |
| 文件頁數(shù)： | 2/25頁 |
| 文件大?。?/td> | 270K |
| 代理商： | AS2535 |
2
Rev. 7
July 1998
Data Sheet
AS2533...6
Pin Description
Pin #
Symbol
Function
23
24
M1
M2
Microphone Inputs
Differential inputs for the microphone (electret).
3
RO
Receive Output
This is the output for driving a dynamic earpiece with an impedance of 140 to 300
.
5
A
GND
Analogue Ground
This is the analogue ground for the amplifiers.
28
RI
Receive Input
This is the input for the receive signal.
6
STB
Side Tone Balance Input
This is the input for side tone cancellation.
1
LS
Line Current Sense Input
This is the input for sensing the line current.
27
LI
Line Input
This input is used for power extraction and line current sensing.
25
CS
Current Shunt Control Output
This N-channel open drain output controls the external high power shunt transistor for the
modulation of the line voltage and for shorting the line during make period of pulse dialling.
4
V
DD
Positive Voltage Supply
This is the supply pin for the circuit.
26
V
SS
Negative Power Supply
8
MO
Melody Output
PDM output of the melody generator for tone ringing. Hi-Z when not active.
21
FCI
Frequency Comparator Input
This is a Schmitt trigger input for ring frequency discrimination. Disabled during off-hook.
10
HS/DP
Hook Switch Input and Dial Pulse Output
This is an I/O that is pulled high by the hook switch when off-hook and an open drain pulls
it low during break periods of pulse dialling and flash.
11
OSC
Oscillator Input
Pin for ceramic resonator (3.58 MHz). Recommended: Murata CSA 3.58MG312AM.
9
LLC
Line Loss Compensation
Select pin for line loss compensation (see also figure 4 to 7).
LLC = A
GND
: 20 - 50 mA
LLC = V
DD
: 45 - 75 mA
LLC = V
SS
: none.
22
LED
LED Output Driver
Output for driving an LED that will be flashing when in Programme/Mute state.
Continues…
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AS2535P | Multi-Standard CMOS Single Chip Telephone IC with Dual Soft Clipping |
| AS2535T | Multi-Standard CMOS Single Chip Telephone IC with Dual Soft Clipping |
| AS2536 | Multi-Standard CMOS Single Chip Telephone IC with Dual Soft Clipping |
| AS2536P | Multi-Standard CMOS Single Chip Telephone IC with Dual Soft Clipping |
| AS2536T | Multi-Standard CMOS Single Chip Telephone IC with Dual Soft Clipping |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AS2535F | 制造商:AMSCO 制造商全稱:austriamicrosystems AG 功能描述:Multi-Standard CMOS Telephone IC for Basic Telephones |
| AS2535P | 制造商:AMSCO 制造商全稱:austriamicrosystems AG 功能描述:Multi-Standard CMOS Single Chip Telephone IC with Dual Soft Clipping |
| AS2535T | 制造商:AMSCO 制造商全稱:austriamicrosystems AG 功能描述:Multi-Standard CMOS Telephone IC for Basic Telephones |
| AS2535-T | 功能描述:電信線路管理 IC RoHS:否 制造商:STMicroelectronics 產(chǎn)品:PHY 接口類型:UART 電源電壓-最大:18 V 電源電壓-最小:8 V 電源電流:30 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VFQFPN-48 封裝:Tray |
| AS2535UT | 制造商:ams 功能描述:SOIC 28 |
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