austriamicrosystems Revision 3.1 Page 3 of 18 Pin # Sym" />
參數(shù)資料
型號(hào): AS2540-T
廠商: ams
文件頁(yè)數(shù): 14/19頁(yè)
文件大?。?/td> 0K
描述: IC TELEPHONE CMOS MULTIFU 28SOIC
標(biāo)準(zhǔn)包裝: 1,500
系列: *
Data Sheet AS2540
austriamicrosystems
Revision 3.1
Page 3 of 18
Pin #
Symbol
Function
25
OSC
Oscillator Input
Input for ceramic resonator 3.58MHz.
Recommended type: Murata CSA 3.58MG312AM or compatible
12
AGND
Analogue Ground
Special ground for the internal amplifiers
26
RXD
Receive Data Input
Schmitt trigger input to serial interface
27
TXD
Transmit Data Output
Open drain output from serial interface
20
21
R1
R2
Keyboard
Rows
22
23
24
C1
C2
C3
Keyboard
Columns
10
ROT
Receive Output to Transformer
Output for driving a transformer with an ac impedance larger than 10k
1TIT
Transformer Input from Transformer
Single ended input for transformer
9ROH
Receive Output to Handset
Output for driving a dynamic earpiece with an impedance from 150
to 300
13
14
M2
M1
Microphone Inputs
Differential inputs for the microphone (electret)
ams
AG
Technical
content
still
valid
相關(guān)PDF資料
PDF描述
AS8002-AQFP IC CURRENT MEASURE SOLAR 16VQFN
AS8501-ASOT IC CURRENT MEASURE SOLAR 16-SOIC
AS8510-ASST IC BATTERY MANAGEMENT 20-SSOP
AS8530-ASOT-002-500 IC TXRX LIN COMPANION 8-SOIC
AS8530A-ASOT-500 IC SYSTEM BASIS CHIP 8-SOIC
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AS2540TR 制造商:ams 功能描述:IC TELEPHONE CMOS MULTIFU 28SOIC 制造商:ams 功能描述:T&R / SOIC 28
AS25490FLF 制造商:TT Electronics / IRC 功能描述:AS25490FLF
AS25490HLF 制造商:TT Electronics / IRC 功能描述:AS25490HLF
AS25490JLF 制造商:TT Electronics / IRC 功能描述:AS25490JLF
AS25491FLF 制造商:TT Electronics / IRC 功能描述:AS25491FLF