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TEA7088A

Features: ·RING - GENERATION OF 8 MELODY TONES (Including the 3 German Melody Tones) - 4 STEPS DIGITAL CONTROL ON THE AMPLIFIER OUTPUT LEVEL ·SPEECH - TRANSMITGAINEXTERNALLYADJUSTABLE - RECEIVINGGAINEXTERNALLYADJUSTABLE - AGCSLOPEEXTERNALLYPROGRAMMABLE - SOFTCLIPPINGON SENDING CHANNEL - RECEIVE AM...

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SeekIC No. : 004517412 Detail

TEA7088A: Features: ·RING - GENERATION OF 8 MELODY TONES (Including the 3 German Melody Tones) - 4 STEPS DIGITAL CONTROL ON THE AMPLIFIER OUTPUT LEVEL ·SPEECH - TRANSMITGAINEXTERNALLYADJUSTABLE - RECEIVINGGAI...

TEA7088A Data Sheet

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Part Number:
TEA7088A
Supply Ability:
5000

Price Break

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

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Upload time: 2025/1/12

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Product Details

Description



Features:

·RING
          - GENERATION OF 8 MELODY TONES (Including the 3 German Melody Tones)
          - 4 STEPS DIGITAL CONTROL ON THE AMPLIFIER OUTPUT LEVEL
·SPEECH
          - TRANSMITGAINEXTERNALLYADJUSTABLE
          - RECEIVINGGAINEXTERNALLYADJUSTABLE
          - AGCSLOPEEXTERNALLYPROGRAMMABLE
          - SOFTCLIPPINGON SENDING CHANNEL
          - RECEIVE AMPLIFIER FOR PIEZO OR ELECTRODYNAMIC TRANSDUCER
          - +6dB MODE ON RECEIVE CHANNEL
          - LINE POWER MANAGEMENT .DIALING
          - DTMF GENERATOR
          - LOW DC MASK DURING MAKE PERIOD THROUGH MICROCONTROLLER SERIAL BUS INTERFACE
·MICROCONTROLLER INTERFACE
          - 1.79MHzCLOCKOR3.58MHzOSCILLATOR INPUT
·MICROCONTROLLER POWER SUPPLY
·MICROCONTROLLER CONTROL INTERFACE INCLUDING SERIALBUS
·LINE CURRENT EXTRACTOR FOR SUPPLY OF EXTERNAL PERIPHERALS


Pinout

Connection Diagram


Specifications

Symbol Parameter Value Unit
  Authorized Voltage on
Pin 2 - RECIN
Pin 3 - SN
Pin 8 - VCC
Pin 10 - IVLS
Pin 12 - VL
Pin 13 - VMC
Pin 17 - BUZ
Pin 18 - VRING
Pin 19 - RES
Pin 20 - PON
Pin 21 - RI
Pin 22 - OSC
Pin 23 - MSK
Pin 24 - DATA
Pin 25 - DCL
Pin 26 - VRMC
13
12
11
6
12
6
VRING +0.3, GND -0.3
27
VRMC +0.3, GND -0.3
VRMC +0.3, GND -0.3
VRMC +0.3, GND -0.3
VRMC +0.3, GND -0.3
VRMC +0.3, GND -0.3
VRMC +0.3, GND -0.3
VRMC +0.3, GND -0.3
5
 V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
ILINE Line Current 120 mA
IRING Ring Current 50 mA
Toper Operating Temperature -25, +70
Tstg Storage Temperature -55, +150
Tj Junction Temperature -25, +150



Description

The TEA7088A is a Telephone Analog Front End device, TAFE, which integrates the three basic functions of a standard telephoneset :

- Speech network,

- DTMF generator,

- Ringer generator on buzzer.

A complete telephone set can be designed using TEA7088A associated with a low cost microcontroller.



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