TEA7089A中文资料PDF规格书
TEA7089A规格书详情
DESCRIPTION
The TEA7089A is a Telephone Analog Front End device, TAFE, which integrates the three basic functionsof a standard telephoneset :
- Speech network,
- DTMF generator,
- Ringer generator on buzzer.
A complete telephone set can be designed using TEA7089A associated with a low cost microcontroller.
. RING
- GENERATION OF 8 MELODY TONES(Including the 3 German Melody Tones)
- 4 STEPS DIGITAL CONTROL ON THE AM PLIFIER OUTPUT LEVEL
. SPEECH
- TRANSMITGAINEXTERNALLYADJUSTABLE
- RECEIVINGGAINEXTERNALLYADJUSTABLE
- AGCSLOPEEXTERNALLYPROGRAMMABLE
- SOFTCLIPPING ON 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
- 1.79MHzCLOCK OR 3.58MHzOSCILLATOR INPUT
. MICROCONTROLLER POWER SUPPLY
. MICROCONTROLLER CONTROL INTERFACE INCLUDING SERIAL BUS
. LINE CURRENT EXTRACTOR FOR SUPPLY OF EXTERNAL PERIPHERALS
产品属性
- 型号:
TEA7089A
- 制造商:
STMICROELECTRONICS
- 制造商全称:
STMicroelectronics
- 功能描述:
LOW-RANGE PHONE DEDICATED CHIP
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
ST |
2021+ |
SOP |
100500 |
一级代理专营品牌!原装正品,优势现货,长期排单到货 |
询价 | ||
PHILIPS |
原包装 |
3560 |
原装正品!假一罚十!现货库存热卖 |
询价 | |||
ST |
2020+ |
SOP-28 |
2000 |
百分百原装正品 真实公司现货库存 本公司只做原装 可 |
询价 | ||
PHILIPS |
23+ |
SOP16 |
1000 |
绝对现货库存 |
询价 | ||
PHILIPS |
22+ |
SMD |
6868 |
原装现货,可开13%税票 |
询价 | ||
ST |
2020+ |
SOP |
16800 |
绝对原装进口现货,假一赔十,价格优势!? |
询价 | ||
ST |
SOP28 |
36900 |
集团化配单-有更多数量-免费送样-原包装正品现货-正规 |
询价 | |||
2023+ |
SOP28 |
80000 |
一级代理/分销渠道价格优势 十年芯程一路只做原装正品 |
询价 | |||
STM |
08+ |
SOP |
1000 |
询价 | |||
ST |
23+ |
SOP |
7800 |
全新原装正品,现货销售 |
询价 |