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參數(shù)資料
| 型號： | AS2523 |
| 廠商： | ams |
| 文件頁數(shù)： | 12/20頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC LINE INTERFACE/SPKRPH 28-SOIC |
| 標(biāo)準(zhǔn)包裝： | 27 |
| 系列： | * |
Revision 1.13
Page 1 of 19
austriamicrosystems
Key Features
-
Line/Speakerphone circuit on a 28-pin CMOS-IC, simple
inventory: same die for AS2523/24 and AS2523/24B
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Serial I/F on AS2523, parallel I/F on AS2524
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Enhanced voice switching
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Background noise monitoring
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Tx- and Rx-gain programmable on AS2523 only
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Digital volume control of Rx signals on AS2523 only
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DC characteristic programmable on AS2523 only
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Dual softclipping in handset mode on AS2523 only
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Dual softclipping in handsfree mode on AS2523 only
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Loudspeaker amplifier for loudhearing and handsfree
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Supply voltage generation for external circuitry
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Automatic line loss compensation on AS2523 / 24B only
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Real and complex impedance selectable by external
components
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Side tone adaptation selectable by external components
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Unique EMC performance
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Operating range from 15mA to 100mA (down to 5mA
with reduced performance)
-
Few external components
General Description
AS2523/24 is a CMOS integrated circuit that incorporates
DC and AC line adaptation (DC-mask and synthesized AC-
impedance of 1000) as well as a speech circuit with
softclipping, line loss compensation and Rx-volume control
for handset and handsfree operation. It shall act as an a/b-
line powered device, which is controlled by a CPU via a
serial interface on AS2523 or a standard dialler via a
parallel interface on AS2524 and AS2524B.
Applications
Enhanced handsfree feature phones with CallerID and
extended displays. The AS2524 and AS2524B are
developed to interface with common Taiwanese dialers.
Package
Available in 28-pin SOIC or die
Block Diagram
Telephone Line Interface and
Speakerphone Circuit
AS2523, AS2524, AS2524B
DATA SHEET
ams
AG
Technical
content
still
valid
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 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 |
| AS25230HLF | 制造商:TT Electronics / IRC 功能描述:AS25230HLF |
| AS25230JLF | 制造商:TT Electronics / IRC 功能描述:AS25230JLF |
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