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TEA1062A

Features: ` Low DC line voltage; operates down to 1.6 V (excluding polarity guard)` Voltage regulator with adjustable static resistance` Provides a supply for external circuits` Symmetrical high-impedance inputs (64 k) for dynamic, magnetic or piezoelectric microphones` Asymmetrical high-impedance...

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SeekIC No. : 004517223 Detail

TEA1062A: Features: ` Low DC line voltage; operates down to 1.6 V (excluding polarity guard)` Voltage regulator with adjustable static resistance` Provides a supply for external circuits` Symmetrical high-imp...

TEA1062A Data Sheet

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Part Number:
TEA1062A
Supply Ability:
5000

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Product Details

Description



Features:

` Low DC line voltage; operates down to 1.6 V (excluding polarity guard)
` Voltage regulator with adjustable static resistance
` Provides a supply for external circuits
` Symmetrical high-impedance inputs (64 k) for dynamic, magnetic or piezoelectric microphones
` Asymmetrical high-impedance input (32 k) for electret microphones
` DTMF signal input with confidence tone
` Mute input for pulse or DTMF dialling
TEA1062: active HIGH (MUTE)
TEA1062A: active LOW (MUTE)
` Receiving amplifier for dynamic, magnetic or piezoelectric earpieces
` Large gain setting ranges on microphone and earpiece amplifiers
` Line loss compensation (line current dependent) for microphone and earpiece amplifiers
` Gain control curve adaptable to exchange supply
` DC line voltage adjustment facility.


Pinout

Connection Diagram


Specifications

SYMBOL
PARAMETER
CONDITIONS
MIN.
MAX.
UNIT
VLN
VLN(R)		 positive continuous line voltage
repetitive line voltage during switch-on
or line interruption



-
-
12
13.2
V
V
VLN(RM)
Iline		 repetitive peak line voltage for a 1 ms
pulse per 5 s
line current
R9 = 20 ; R10 = 13 ;
see Fig.18
R9 = 20 W; note 1
-
-
28
140
V
V
VI input voltage on all other pins

positive input voltage
negative input voltage
-
-
140
mA
Ptot total power dissipation
TEA1062; TEA1062A
TEA1062M1; TEA1062AM1
TEA1062T; TEA1062AT
R9 = 20 ; note 2
-
-
-
666
617
454
mW
mW
mW
Tamb
Tstg
Tj		 operating ambient temperature
storage temperature
junction temperature
-25
-40
-
+75
+125
125
°C
°C
°C



Description

The TEA1062 and TEA1062A are integrated circuits that perform all speech and line interface functions required in fully electronic telephone sets. They perform electronic switching between dialling and speech. The ICs operate at line voltage down to 1.6 V DC (with reduced performance) to facilitate the use of more telephone sets connected in parallel.

All statements and values refer to all versions unless otherwise specified.




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