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TEA1094AT View Datasheet(PDF) - Philips Electronics

Part Name
Description
View to exact match
TEA1094AT
Philips
Philips Electronics Philips
TEA1094AT Datasheet PDF : 28 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
Philips Semiconductors
Hands free IC
Product specification
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
TEA1094
TEA1094A
TEA1094T
TEA1094AT
TEA1094AM
NAME
DIP28
DIP24
SO28
SO24
SSOP24
PACKAGE
DESCRIPTION
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
VERSION
SOT117-1
SOT101-1
SOT136-1
SOT137-1
SOT340-1
1996 Jul 15
2
 

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