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TEA7091FN PDF预览

TEA7091FN

更新时间: 2024-02-24 20:41:36
品牌 Logo 应用领域
意法半导体 - STMICROELECTRONICS 电话
页数 文件大小 规格书
7页 142K
描述
TELEPHONE MULTIFUNCTION CKT, PQFP44, PLASTIC, QFP-44

TEA7091FN 技术参数

生命周期:Obsolete零件包装代码:LCC
包装说明:QCCJ,针数:44
Reach Compliance Code:unknownHTS代码:8542.39.00.01
风险等级:5.84JESD-30 代码:S-PQCC-J44
长度:16.5862 mm功能数量:1
端子数量:44最高工作温度:70 °C
最低工作温度:-25 °C封装主体材料:PLASTIC/EPOXY
封装代码:QCCJ封装形状:SQUARE
封装形式:CHIP CARRIER认证状态:Not Qualified
座面最大高度:4.57 mm表面贴装:YES
电信集成电路类型:TELEPHONE MULTIFUNCTION CIRCUIT温度等级:OTHER
端子形式:J BEND端子节距:1.27 mm
端子位置:QUAD宽度:16.5862 mm
Base Number Matches:1

TEA7091FN 数据手册

 浏览型号TEA7091FN的Datasheet PDF文件第2页浏览型号TEA7091FN的Datasheet PDF文件第3页浏览型号TEA7091FN的Datasheet PDF文件第4页浏览型号TEA7091FN的Datasheet PDF文件第5页浏览型号TEA7091FN的Datasheet PDF文件第6页浏览型号TEA7091FN的Datasheet PDF文件第7页 
TEA7091  
TELEPHONE ANALOG FRONT END  
PRODUCT PREVIEW  
FEATURES:  
SPEECH  
DC LINE CURRENT RANGE FROM 6 TO  
110mA  
Tx AND Rx GAIN EXTERNALLY ADJUST-  
ABLE  
AGC IN Tx AND Rx EXTERNALLY PRO-  
GRAMMABLE  
AGC DISABLEABLE THROUGH MICROCON-  
TROLLER BUS  
PLCC44  
SINGLE/DOUBLE SIDETONE NETWORK  
SOFTWARE PROGRAMMABLE  
SOFTCLIPPING ON Tx CHANNEL  
SQUELCH TO REDUCE Tx NOISE ENVI-  
ROMENT AND TO IMPROVE HOWLING IM-  
MUNITY IN LOUDHEARING MODE  
RECEIVING AMPLIFIER FOR PIEZO OR  
ELECTRODYNAMIC TRANSDUCERS  
+6dB MODE ON Rx CHANNEL (SELECTABLE  
THROUGH MICROCONTROLLER BUS)  
–6dB MODE ON Tx CHANNEL (SELECTABLE  
THROUGH MICROCONTROLLER BUS)  
FREQUENCY GENERATOR FOR WAITING  
MELODY  
PQFP44  
PLY TO FEED THE LOUDSPEAKER AMPLI-  
FIER DURING RING MODE  
DIGITAL VOLUME CONTROL (8 STEPS OF  
4dB EACH) THROUGH MICROCONTROL-  
LER BUS  
RING FREQUENCY GENERATOR PRO-  
GRAMMED THROUGH MICROCONTROL-  
LER BUS  
ERROR BEEP GENERATOR  
HOLD LINE CURRENT DETECTOR FOR  
TRANSFER/ AUTO RELEASE  
DIALLING  
GROUP LISTENING / ON-HOOK DIALING  
ANTI HOWLING WITH ACOUSTIC FEED-  
BACK SYSTEM COUPLED WITH SQUELCH  
DTMF GENERATOR (CONTROLLED BY  
MCU BUS)  
DC MASK VALUE DURING MAKE PERIOD  
PROGRAMMABLE THROUGH MICROCON-  
TROLLER BUS  
DIGITAL VOLUME CONTROL (8 STEPS OF  
4dB EACH) THROUGH MICROCONTROL-  
LER BUS  
ANTILARSEN ATTENUATION (4 DIFFERENT  
LEVELS) PROGRAMMABLE THROUGH MI-  
CROCONTROLLER BUS  
MICROCONTROLLER INTERFACE  
STABILIZED VOLTAGE FOR MICROCON-  
TROLLER  
2 WIRE SERIAL BUS  
RING INDICATOR  
POWER-ON SIGNAL  
RESET SIGNAL  
HANDSFREE INTERFACE  
PIN AND SOFTWARE FACILITY FOR EASY  
INTERCONNECTION WITH HANDSFREE  
CONTROLLER IC.  
LINE CURRENT VARIATION INDICATOR  
RING ON LOUDSPEAKER  
SELF BIASED LOUDSPEAKER AMPLIFIER FOR  
ANSWERING MACHINE  
EMBEDDED SWITCH MODE POWER SUP-  
1/7  
September 1993  
This is advanced information on a new product now in development or undergoing evaluation. Details are subject to change without notice.  

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