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TEA1095 Datasheet(数据表) 2 Page - NXP Semiconductors

部件型号  TEA1095
说明  Voice switched speakerphone IC
下载  28 Pages
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制造商  PHILIPS [NXP Semiconductors]
网页  http://www.nxp.com
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TEA1095 Datasheet(HTML) 2 Page - NXP Semiconductors

 
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1997 Nov 25
2
Philips Semiconductors
Product specification
Voice switched speakerphone IC
TEA1095
FEATURES
• External power supply with power-down function
• Transmit channel with:
– externally adjustable gain
– transmit mute function
• Receive channel with:
– externally adjustable gain
– logarithmic volume control via a linear potentiometer
– receive 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
• Cordless telephones
• Answering machines
• Fax machines
• Hands-free car kits.
GENERAL DESCRIPTION
The TEA1095 is a bipolar circuit, that in conjunction with a
member of the TEA106X, TEA111X families of
transmission or TEA1096 transmission/listening-in circuits
offers a hands-free function. It incorporates a transmit
amplifier, a receiver channel amplifier and a duplex
controller with signal and noise monitors on both channels.
ORDERING INFORMATION
TYPE
NUMBER
PACKAGE
NAME
DESCRIPTION
VERSION
TEA1095
DIP24
plastic dual in-line package; 24 leads (600 mil)
SOT101-1
TEA1095T
SO24
plastic small outline package; 24 leads; body width 7.5 mm
SOT137-1
TEA1095TS
SSOP24
plastic shrink small outline package; 24 leads; body width 5.3 mm
SOT340-1




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