TEA1095 Philips Semiconductors, TEA1095 Datasheet - Page 2

• Manufacturer Part Number: TEA1095
• Description: Voice switched speakerphone IC
• Manufacturer: Philips Semiconductors

Philips Semiconductors
FEATURES
ORDERING INFORMATION
1997 Nov 25
TEA1095
TEA1095T
TEA1095TS
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
– decision logic with:
– voice switch control with:
Voice switched speakerphone IC
NUMBER
channels with:
externally adjustable sensitivity
externally adjustable signal envelope time constant
externally adjustable noise envelope time constant
externally adjustable switch-over timing
externally adjustable idle mode timing
externally adjustable dial tone detector in receive
channel
adjustable switching range
constant sum of gain during switching
constant sum of gain at different volume settings.
TYPE
SSOP24
NAME
DIP24
SO24
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
DESCRIPTION
2
APPLICATIONS
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.
PACKAGE
Mains, battery or line-powered telephone sets
Cordless telephones
Answering machines
Fax machines
Hands-free car kits.
Product specification
TEA1095
SOT101-1
SOT137-1
SOT340-1
VERSION