Purchase BU8874F, In-stock BU8874F From SeekIC.
Package Cooled:SOP D/C:09+
Part Number: BU8874F
Package Cooled: SOP
D/C: 09+
Description: The BU8874 and BU8874F are DTMF receiver ICs developed for use in telephone answering machines, and co...
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BU8874F
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DataSheet
General Description
BU8874F General Description
The BU8874 and BU8874F 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 (BU8874) 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 microcontroller.
BU8874F Features
· Dynamic range of 45dB. (internal AGC)
· Power down mode.
· 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.
·8-pin DIP package. (BU8874)
· Power down mode.
· 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.
·8-pin DIP package. (BU8874)
BU8874F Typical Application
·Telephone answering machines
BU8874F Connection Diagram
BU8874F
PDF/DataSheet Download
- Datasheet: BU8874F
- File Size: 184745 KB
- Manufacturer: ROHM [Rohm]
- Click here to Download
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