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BU8871F-T1, BU8872, BU8872FS

Table of contents:
Info of BU8871F-T1
Info of BU8872
Info of BU8872FS

BU8871F-T1, BU8872, BU8872FS Selling Leads, Datasheet

MFG:ROHM Category:ICs, Integrated Circuits, Semiconductors Package Cooled:SOP18 D/C:9514

BU8871F-T1, BU8872, BU8872FS Datasheet download

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Part Number: BU8871F-T1

Category: ICs, Integrated Circuits, Semiconductors

MFG: ROHM

Package Cooled: SOP18

D/C: 9514

Description: IC DTMF RECEIVER FOR PHONE DIP8

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BU8872 Parameters

Technical/Catalog Information	BU8872
Vendor	ROHM
Category	ICs, Integrated Circuits, Semiconductors
Application	Telecommunication
Type	Receiver
Mounting Type	Through Hole
Package Name	8-DIP
Supply Voltage	5.00 V [Typ]
Packaging	Bulk
Lead Free Status	Lead Free
RoHS Status	RoHS Compliant
Other Names	BU8872 BU8872

BU8872 General Description

The BU8872 and BU8872FS are DTMF receiver ICs developed for use in telephone answering machines, and convert 16 different types of DTMF signals into 4-bit binary serial data. In addition to a compact 8-pin DIP (BU8872) or 16-pin SSOP (BU8872FS) package, these receivers feature 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.

BU8872 Maximum Ratings

Parameter		Symbol	Limits	Unit
Power supply voltage		V_DD	7	V
Iutput voltage		V_IN	GND-0.3~VDD+0.3	V
Output voltage		V_OUT	GND-0.3~VDD+0.3	V
Power dissipation	BU8872	P_d	500^*1	mW
Power dissipation	BU8872FS	P_d	650^*2	mW
Operating temperature		T_opr	-40~+85
Storage temperature		T_stg	-55~+125

BU8872 Features

Dynamic range of 45dB. (internal AGC)
4-bit binary serial data output.
Guard time can be controlled through host microcomputer.
Input pins equipped with hysteresis. (ACK pin)
4.19MHz ceramic resonator or crystal resonator can be used.
8-pin DIP package. (BU8872)
16-pin SSOP package. (BU8872FS)

BU8872 Typical Application

Telephone answering machines

BU8872FS General Description

BU8872FS Maximum Ratings

Parameter		Symbol	Limits	Unit
Power supply voltage		V_DD	7	V
Iutput voltage		V_IN	GND-0.3~VDD+0.3	V
Output voltage		V_OUT	GND-0.3~VDD+0.3	V
Power dissipation	BU8872	P_d	500^*1	mW
Power dissipation	BU8872FS	P_d	650^*2	mW
Operating temperature		T_opr	-40~+85
Storage temperature		T_stg	-55~+125

BU8872FS Features

BU8872FS Typical Application

Telephone answering machines

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