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TEA1081

Features: ` High input impedance for audio signals` Low DC series resistance` High output current` Large audio signal handling capability` Low distortion` Two modes of operation: output voltage that follows the DC line voltage regulated output voltage` Power-down input` Low number of external comp...

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SeekIC No. : 004517234 Detail

TEA1081: Features: ` High input impedance for audio signals` Low DC series resistance` High output current` Large audio signal handling capability` Low distortion` Two modes of operation: output voltage that...

TEA1081 Data Sheet

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Part Number:
TEA1081
Supply Ability:
5000

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  • 1~5000
  • Unit Price
  • Negotiable
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  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

` High input impedance for audio signals
` Low DC series resistance
` High output current
` Large audio signal handling capability
` Low distortion
` Two modes of operation:
output voltage that follows the DC line voltage
regulated output voltage
` Power-down input
` Low number of external components.


Pinout

Connection Diagram


Specifications

SYMBOL PARAMETER CONDITIONS MIN. MAX. UNIT
VLN

VLN(RM)
VI
I1
positive line voltage

repetitive peak line voltage for a
1 ms pulse per 5 s
input voltage (all other terminals)
DC input current
TEA1081
TEA1081T
continuous
during switch-on or line interruptions
12 resistor in series with pin 1
-
-
-
VVN - 0.5
-
-
-1
12
12.5
28
VLN + 0.5
120
80
+1
V
V
V
V
mA
mA
mA
II
input current (all other terminals)
seeFig.5
Ptot
Tamb
Tstg
Tj
total power dissipation
operating ambient temperature
storage temperature
junction temperature
-25
-40
-
+70
+125
+125
°C
°C
°C



Description

The TEA1081 is an integrated circuit for use in line-powered telephone sets to supply peripheral circuits for extended dialling and/or loudspeaker facilities.

The IC TEA1081 uses a part of the surplus line current normally drawn by the voltage regulator of the speech/transmission circuit. A power-down function isolates the IC from its load and reduces the input current.




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