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BU8871F

Features: ·Dynamic range of 45dB. (internal AGC)·4-bit binary serial data output.·Guard time can be controlled through host microcontroller.·Input pins equipped with hysteresis. (ACK pin)· 4.19MHz crystal resonator can be used.Application·Telephone answering machinesSpecificationsDescriptionThe BU...

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SeekIC No. : 004303974 Detail

BU8871F: Features: ·Dynamic range of 45dB. (internal AGC)·4-bit binary serial data output.·Guard time can be controlled through host microcontroller.·Input pins equipped with hysteresis. (ACK pin)· 4.19MHz c...

BU8871F Data Sheet

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Part Number:
BU8871F
Supply Ability:
5000

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Product Details

Description



Features:

·Dynamic range of 45dB. (internal AGC)
·4-bit binary serial data output.
· Guard time can be controlled through host microcontroller.
· Input pins equipped with hysteresis. (ACK pin)
· 4.19MHz crystal resonator can be used.


Application

·Telephone answering machines



Specifications

Connection Diagram


Description

The BU8871F is a DTMF receiver ICs developed for use in telephone answering machines, and converts 16 different
types of DTMF signals into 4-bit binary serial data. BU8871F features a wide dynamic range, eliminating the need for an external input amplifier. Expertise from a number of companies has been incorporated into these products to enable guard time control through a host microcomputer.




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