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TEA1069H Fiches technique(PDF) 2 Page - NXP Semiconductors

No de pièce TEA1069H
Description  Versatile speech/dialler/ringer with music-on-hold
Download  44 Pages
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Fabricant  PHILIPS [NXP Semiconductors]
Site Internet  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

TEA1069H Fiches technique(HTML) 2 Page - NXP Semiconductors

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1998 Jan 08
2
Philips Semiconductors
Product specification
Versatile speech/dialler/ringer with
music-on-hold
TEA1069; TEA1069A
FEATURES
Speech part
• Voltage regulator with adjustable static resistance
• Low DC line voltage; operates down to 1.6 V
(excluding polarity guard)
• Supply for dialler part and peripherals (not stabilized)
• Symmetrical high-impedance inputs (64 kΩ) for
dynamic, magnetic, or piezoelectric microphones
• Asymmetrical high-impedance input (32 kΩ) for electret
microphones
• Asymmetrical earpiece output for dynamic, magnetic,
or piezoelectric earpieces
• Internal mute to disable speech during dialling
• Confidence tone during DTMF dialling
• Line-loss compensation (line-current dependent) for
microphone and earpiece amplifiers
• Gain-control curve adaptable to the exchange supply.
Dialler part
• Pulse/DTMF and mixed mode dialling
• Last Number Redial (LNR), up to 32 digits
• 13 repertory numbers (3 direct and 10 indirect) or
10 repertory numbers (10 direct), up to 32 digits,
with a maximum of 224 digits in total
• Repertory and redial memory integrity check
(memory contents check)
• Notepad memory function
• Flash and earth register recall
• Dial mode output
• Access pause generation and termination
• Function keys for: store, memory recall, register recall,
LNR, pause, hold, mute, hook
• Keytone generation
• Hands-free control
• Volume control in hands-free mode (VOL+/VOL−)
• Hold function
• Mute function
• Music-on-hold
• Diode options:
– DTMF tone burst/pause time
– make/break ratio
– access pause time
– pulse or DTMF mode selection
– register recall (earth and flash times)
– keyboard layout selection
– selection for german requirements
– hold/mute mode selection.
Ringer part
• Ringer input frequency discrimination
• Ringer melody generation (3-tone)
• Ringer melody selection/volume control via keyboard
• Diode option: ringer frequency selection.
GENERAL DESCRIPTION
The TEA1069 and TEA1069A contain all the functions
needed to build a highly featured, high-performance fully
electronic telephone set.
The device incorporates a speech/transmission part, a
dialler part and a ringer part. By offering a wide range of
possible adaptations for each part, the TEA1069 and
TEA1069A application can be easily adapted to meet
different requirements.
The TEA1069A offers some different timings and diode
options compared to the TEA1069.
Where pin numbers are mentioned in this data sheet we
refer to the TEA1069N, unless otherwise indicated.
Speech part
The speech/transmission part performs all speech and line
interface functions required in electronic sets. It operates
at line voltages down to 1.6 V DC to facilitate the use of
more telephones connected in parallel.
Dialler part
The dialler part offers a 32-digit Last Number Redial (LNR)
and 13 memories. Hands-free control is included allowing
the TEA1069 and TEA1069A to be used not only in basic
telephones, but also in feature phones offering hands-free
dialling via the TEA1083 call-progress monitor IC and/or
full hands-free operation via the TEA1093 hands-free IC.
The hold function allows the user to suspend the
conversation and resume the call either on the same
phone or on a parallel phone. Additionally through the
music-on-hold function a melody is transmitted while the
set is put on hold. The keytones provide in a buzzer an
audible feedback of a valid key pressed.


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