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TEA1065

Features: · Current and voltage regulator mode with adjustablestatic resistances· Provides supply for external circuitry· Symmetrical high-impedance inputs for piezoelectricmicrophone· Asymmetrical high-impedance input for electretmicrophone· DTMF signal input with confidence tone· Mute input for ...

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SeekIC No. : 004517228 Detail

TEA1065: Features: · Current and voltage regulator mode with adjustablestatic resistances· Provides supply for external circuitry· Symmetrical high-impedance inputs for piezoelectricmicrophone· Asymmetrical ...

TEA1065 Data Sheet

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Part Number:
TEA1065
Supply Ability:
5000

Price Break

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

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Product Details

Description



Features:

· Current and voltage regulator mode with adjustable
static resistances
· Provides supply for external circuitry
· Symmetrical high-impedance inputs for piezoelectric
microphone
· Asymmetrical high-impedance input for electret
microphone
· DTMF signal input with confidence tone
· Mute input for pulse or DTMF dialling
· Power-down input for pulse dial or register recall
· Digital pulse input to drive an external switch transistor
· Receiving amplifier for magnetic, dynamic or
piezoelectric earpieces
· Large gain setting range on microphone and earpiece
amplifiers
· Line loss compensation facility, line current dependent
(on microphone and earpiece amplifiers)
· Adjustable gain control
· DC line voltage adjustment facility


Pinout

Connection Diagram


Specifications

SYMBOL

PARAMETER

CONDITIONS

MIN.

MAX.

UNIT

VLN
VDOC
VLN
ILN
VI

Ptot
Tstg
Tamb

Tj		 positive line voltage continuous
positive DOC voltage continuous
repetitive line voltage during
switch-on or line interruption
line current (see also Fig.5 and 6)
input voltage on pins other than LN,
DOC, VSI, REFI and CURL
total power dissipation
storage temperature range
operating ambient temperature range
junction temperature



see Figs 5 and 6
-
-
-

-
VEE - 0.7


-40
-25
-
12
12
13.2

150
VCC + 0.7


+ 125
+75
+125
V
V
V

mA
V


°C
°C
°C



Description

The TEA1065 is a bipolar integrated circuit which performs all speech and line interface functions that are required in fully electronic telephone sets with adjustable DC mask. The circuit performs electronic switching between dialling and speech internally.




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