austriamicrosystems Revision 3.1 Page 2 of 18 Pin Descr" />
參數(shù)資料
型號(hào): AS2540
廠商: ams
文件頁(yè)數(shù): 13/19頁(yè)
文件大小: 0K
描述: IC TELEPHONE CMOS MULTIFU 28SOIC
標(biāo)準(zhǔn)包裝: 27
系列: *
Data Sheet AS2540
austriamicrosystems
Revision 3.1
Page 2 of 18
Pin Description
Pin #
Symbol
Function
15
RFD
Ring Frequency Discrimination
Schmitt trigger input for ring frequency discrimination. Disabled during off-hook.
7LS
Line Current Sense Input
Input for sensing the line current
5LI
Line Input
Input used for power extraction and line current sensing
6RI
Receive Input
Input for ac-separated receive signal
2STB
Side Tone Balance Input
Input for side tone cancellation network
3CS
Current Shunt Control Output
N-channel open drain output to control the external high power shunt transistor for synthesising ac- and
dc- impedance, modulation of line voltage and shorting the line during make periods of pulse dialling
8CI
Complex Impedance Input
Input pin for the capacitor to program a complex impedance
16
DPn
Dial Pulse Output
Open drain output pulls low during break periods of pulse dialling and flash
17
EHS
Electronic Hook Switch
Schmitt Trigger Input to detect an electronic off-hook.
18
MHS
Manual Hook Switch
Schmitt Trigger Input to detect a manual off-hook.
19
MODE
DTMF Level Selection
-4/-6dBm
—> DLS open
-6/-8dBm
—> DLS-r1
-8/-10dBm
—> DLS-r2
Line Loss Compensation Select Pin
45mA-75mA
—> LLC open
20mA-50mA
—> LLC-r3
None
—> LLC-r4
28
MO
Ring
Melody Output
PDM output of the ring melody generator.
11
VDD
Voltage Drain Drain
Positive Power Supply
4
VSS
Voltage Source Source
Negative Power Supply
ams
AG
Technical
content
still
valid
相關(guān)PDF資料
PDF描述
VI-B3Y-IV-S CONVERTER MOD DC/DC 3.3V 99W
VI-200-IY-F3 CONVERTER MOD DC/DC 5V 50W
XRT5683AID-F IC PCM LINE INTERFACE 18SOIC
VI-B3V-IY-B1 CONVERTER MOD DC/DC 5.8V 50W
XR2211ACD-F IC FSK DEMOD/TONE DECOD 14SOIC
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AS2540_04 制造商:AMSCO 制造商全稱(chēng):austriamicrosystems AG 功能描述:Remote Controlled Single-Chip-Telephone
AS2540-7R 功能描述:EURO-CASSETTE 100W 2X 15V RoHS:否 類(lèi)別:電源 - 外部/內(nèi)部(非板載) >> DC DC Converters 系列:* 標(biāo)準(zhǔn)包裝:1 系列:Quint 類(lèi)型:隔離 輸入電壓:24V 輸出:24V 輸出數(shù):1 輸出 - 1 @ 電流(最大):24 VDC @ 50A 輸出 - 2 @ 電流(最大):- 輸出 - 3 @ 電流(最大):- 輸出 - 4 @ 電流(最大):- 功率(瓦特):1200W 安裝類(lèi)型:底座安裝 工作溫度:0°C ~ 40°C 效率:- 封裝/外殼:模塊 尺寸/尺寸:4.33" L x 9.09" W x 6.14" H(110mm x 231mm x 156mm) 包裝:散裝 電源(瓦特)- 最大:1200W 批準(zhǔn):- 其它名稱(chēng):277-69722866365-NDQUINT-BAT/24DC/12AH
AS2540-9R 制造商:Power-One 功能描述:DCDC - Bulk
AS2540Q 制造商:AMSCO 制造商全稱(chēng):austriamicrosystems AG 功能描述:Remote Controlled Single-Chip-Telephone
AS2540T 制造商:AMS 功能描述:REMOTE CNTRLD SNGL-CHIP TELE