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TEA1095T View Datasheet(PDF) - Philips Electronics

Part NameDescriptionManufacturer
TEA1095T Voice switched speakerphone IC Philips
Philips Electronics Philips
TEA1095T Datasheet PDF : 28 Pages
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Philips Semiconductors
Voice switched speakerphone IC
Product specification
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
TEA1095
TEA1095T
TEA1095TS
PACKAGE
NAME
DESCRIPTION
DIP24
SO24
SSOP24
plastic dual in-line package; 24 leads (600 mil)
plastic small outline package; 24 leads; body width 7.5 mm
plastic shrink small outline package; 24 leads; body width 5.3 mm
VERSION
SOT101-1
SOT137-1
SOT340-1
1997 Nov 25
2
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