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參數(shù)資料
| 型號： | TEA7089A |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | Low-Range Phone Dedicated Chip(電話模擬前端) |
| 中文描述： | 低幅度電話專用芯片（電話模擬前端） |
| 文件頁數(shù)： | 1/17頁 |
| 文件大小： | 155K |
| 代理商： | TEA7089A |
TEA7089A
LOW-RANGE PHONE DEDICATED CHIP
June 1998
SO28
(Plastic Package)
ORDER CODE :
TEA7089AFP
.
RING
- GENERATIONOF 8 MELODYTONES
(Includingthe 3 German Melody Tones)
- 4 STEPS DIGITAL CONTROL ON THE AM-
PLIFIEROUTPUT LEVEL
.
SPEECH
- TRANSMITGAINEXTERNALLYADJUSTABLE
- RECEIVINGGAINEXTERNALLYADJUSTABLE
- AGCSLOPEEXTERNALLYPROGRAMMABLE
- SOFTCLIPPINGON SENDING CHANNEL
- RECEIVE AMPLIFIER FOR PIEZO
ELECTRODYNAMICTRANSDUCER
- +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
FACE INCLUDING SERIALBUS
.
LINE CURRENT EXTRACTOR FOR SUPPLY
OF EXTERNAL PERIPHERALS
OR
CONTROL
INTER-
DESCRIPTION
The TEA7089A is a Telephone Analog Front End
device, TAFE, which integrates the three basic
functionsof a standardtelephoneset :
- Speechnetwork,
- DTMF generator,
- Ringer generatoron buzzer.
A complete telephone set can be designed using
TEA7089A associated with a low cost microcon-
troller.
MIC2
DTMF
V
REF
V
RMC
DCL
DATA
RI
1
2
3
4
5
6
7
8
9
10
28
27
26
25
24
23
22
21
20
19
PON
RES
SOFT
RECIN
SN
GTR
MIC1
AGC
V
CC
IVLS
GND
MSK
OSC
11
12
13
14
18
17
16
15
V
S
V
L
V
MC
GREC
BUZ
EAR+
EAR-
V
RING
7
PIN CONNECTIONS
1/17
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| TEA7089 | LOW-RANGE PHONE DEDICATED CHIP |
| TEA7089AFP | LOW-RANGE PHONE DEDICATED CHIP |
| TEA7091 | Telephone Analog Front End(電話模擬前端) |
| TEA7092 | TELEPHONE ANALOG FRONT END |
| TEA7092TQ | TELEPHONE ANALOG FRONT END |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TEA7089AFP | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:LOW-RANGE PHONE DEDICATED CHIP |
| TEA7091 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:TELEPHONE ANALOG FRONT END |
| TEA7092 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:TELEPHONE SET INTEGRATED CIRCUIT |
| TEA7092TQ | 制造商:STMicroelectronics 功能描述:SPEECH NETWORK ADVANCED 46DB 44TQFP - Trays |
| TEA7092TQT | 制造商:STMicroelectronics 功能描述:SPEECH NETWORK ADVANCED 46DB 44TQFP - Tape and Reel |
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