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TEA1066T

Features: · Voltage regulator with adjustable static resistance· Provides supply for external circuitry· Symmetrical low-impedance inputs for dynamic andmagnetic microphones· Symmetrical high-impedance inputs for piezoelectricmicrophone· Asymmetrical high-impedance input for electretmicrophone· Du...

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SeekIC No. : 004517229 Detail

TEA1066T: Features: · Voltage regulator with adjustable static resistance· Provides supply for external circuitry· Symmetrical low-impedance inputs for dynamic andmagnetic microphones· Symmetrical high-impeda...

TEA1066T Data Sheet

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Part Number:
TEA1066T
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:

· Voltage regulator with adjustable static resistance
· Provides supply for external circuitry
· Symmetrical low-impedance inputs for dynamic and
magnetic microphones
· Symmetrical high-impedance inputs for piezoelectric
microphone
· Asymmetrical high-impedance input for electret
microphone
· Dual-tone multi-frequency (DTMF) signal input with
confidence tone
· Mute input for pulse or DTMF dialling
· Power down input for pulse dial or register recall
· Receiving amplifier for magnetic, dynamic or
piezoelectric earpieces
· Large gain setting range on microphone and earpiece
amplifiers
· Line loss compensation facility, line current dependent
(microphone and earpiece amplifiers)
· Gain control adaptable to exchange supply
· DC line voltage adjustment facility.


Pinout

Connection Diagram


Specifications

SYMBOL
PARAMETER
CONDITIONS
MIN.
MAX.
UNIT
VLN
VLN(R)

VLN(RM)

Iline
Vn
Ptot
Tstg
Tamb
Tj		 positive continuous line voltage
repetitive line voltage during switch-on or
line interruption
repetitive peak line voltage for a 1 ms pulse
per 5 s
line current
voltage on any other pin
total power dissipation
IC storage temperature
operating ambient temperature
junction temperature		 R9 = 20 W;
R10 = 13 W; (Fig.10)
R9 = 20 W; note 1

R9 = 20 W; note 2

-
-
-
-
VEE - 0.7
-
-40
-25
-

12
13.2
28
140
VCC + 0.7
555
+125
+75
125

V
V
V
mA
V
mW
°C
°C
°C




Description

The TEA1066T is a bipolar integrated circuit that performs all speech and line interface functions required in fully electronic telephone sets. The circuit performs electronic switching between dialling and speech.




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