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BU8872FS-E2

Telecom Interface ICs DTMF RECEIVER

Product Category: Telecom Interface ICs
Mfr. Part #
BU8872FS-E2
Manufacturer: ROHM Semiconductor
Package: Cut Tape/Reel
Lead Free Status /RoHS Status:
Data Sheet: BU8872FS-E2 Datasheet
Inventory: In Stock

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Mfr. Part #: BU8872FS-E2

Specifications
Product Details

Specifications

Manufacturer ROHM Semiconductor

Product DTMF - Dual-tone Multi-frequency Receivers

Supply Voltage - Max 5.5 V

Supply Voltage - Min 4.5 V

Operating Supply Current 3.4 mA

Minimum Operating Temperature - 40 C

Maximum Operating Temperature + 85 C

Mounting Style SMD/SMT

Packaging Cut Tape

Packaging Reel

Frequency 4.19 MHz

Height 1.39 mm

Length 6.6 mm

Width 4.4 mm

Brand ROHM Semiconductor

Operating Supply Voltage 5 V

Pd - Power Dissipation 500 mW (1/2 W)

Product Type Telecom Interface ICs

Standard Pack Qty 2500

Subcategory Interface ICs

Product Details

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.

Features

1) Dynamic range of 45dB. (internal AGC)
2) 4-bit binary serial data output.
3) Guard time can be controlled through host microcomputer.
4) Input pins equipped with hysteresis. (ACK pin)
5) 4.19MHz ceramic resonator or crystal resonator can
be used.
6) 8-pin DIP package. (BU8872)
16-pin SSOP package. (BU8872FS)

Applications

Telephone answering machines

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Mfr. Part #: BU8872FS-E2