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參數(shù)資料
| 型號： | TEA1094T |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 通信及網(wǎng)絡(luò) |
| 英文描述： | Hands free IC |
| 中文描述： | SPECIALTY TELECOM CIRCUIT, PDSO28 |
| 封裝： | 7.50 MM, PLASTIC, MS-013AE, SOT-136-1, SO-28 |
| 文件頁數(shù)： | 2/28頁 |
| 文件大?。?/td> | 221K |
| 代理商： | TEA1094T |
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1996 Jul 15
2
Philips Semiconductors
Product specification
Hands free IC
TEA1094; TEA1094A
FEATURES
Low power consumption
Power-down function (TEA1094A only)
Microphone channel with:
– externally adjustable gain
– microphone mute function.
Loudspeaker channel with:
– externally adjustable gain
– dynamic limiter to prevent distortion
– rail-to-rail output stage for single-ended load drive
– logarithmic volume control via linear potentiometer
– loudspeaker mute function.
Duplex controller consisting of:
– signal envelope and noise envelope monitors for both
channels with:
externally adjustable sensitivity
externally adjustable signal envelope time constant
externally adjustable noise envelope time constant
– decision logic with:
externally adjustable switch-over timing
externally adjustable idle mode timing
externally adjustable dial tone detector in
receive channel
– voice switch control with:
adjustable switching range
constant sum of gain during switching
constant sum of gain at different volume settings.
APPLICATIONS
Mains, battery or line-powered telephone sets with
hands-free/listening-in functions
Cordless telephones
Answering machines
Fax machines.
GENERAL DESCRIPTION
The TEA1094 and TEA1094A are bipolar circuits intended
for use in mains, battery or line-powered telephone sets,
cordless telephones, answering machines and Fax
machines. In conjunction with a member of the TEA106X,
TEA111X families of transmission circuits, the devices
offer a hands-free function. They incorporate a
microphone amplifier, a loudspeaker amplifier and a
duplex controller with signal and noise monitors on
both channels.
ORDERING INFORMATION
TYPE NUMBER
PACKAGE
NAME
DESCRIPTION
VERSION
TEA1094
TEA1094A
TEA1094T
TEA1094AT
TEA1094AM
DIP28
DIP24
SO28
SO24
SSOP24
plastic dual in-line package; 28 leads (600 mil)
plastic dual in-line package; 24 leads (600 mil)
plastic small outline package; 28 leads; body width 7.5 mm
plastic small outline package; 24 leads; body width 7.5 mm
plastic shrink small outline package; 24 leads; body width 5.3 mm
SOT117-1
SOT101-1
SOT136-1
SOT137-1
SOT340-1
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TEA1095 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Voice switched speakerphone IC |
| TEA1095T | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Voice switched speakerphone IC |
| TEA1095TS | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Voice switched speakerphone IC |
| TEA1096 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Speech and listening-in IC |
| TEA1096A | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Speech and listening-in IC |
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