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BU8877

ETC
Part Number BU8877
Manufacturer ETC
Description Call Progress Tone Decoder
Published Mar 25, 2010
Detailed Description www.DataSheet4U.com 99W121A Call Progress Tone Decoder for Telephone BU8877/F Description The BU8877 and BU8877F are...
Datasheet PDF File BU8877 PDF File

BU8877
BU8877

Overview
www.
DataSheet4U.
com 99W121A Call Progress Tone Decoder for Telephone BU8877/F Description The BU8877 and BU8877F are ICs that detect dial tones from a call progress signal used in the telephone lines.
The ICs detect dual signals 350Hz(from 345 to 355Hz)and 440Hz(from 435 to 445Hz).
Dimension(Units:mm) BU8877 Features 1) No malfunction by voice signal 2) Dual tone detection (350Hz and 440Hz) 3) Wide dynamic range 4) 3.
58MHz crystal resonator BU8877F DIP8 Applications Telephone, Codeless telephone and Facsimile for the U.
S.
SOP16 Absolute Maximum Ratings (Ta=25˚C) Parameter Power supply voltage Power dissipation DIP8 SOP16 Symbol VCC Pd Topr Tstg Limits 7 800 300 *1 *2 Unit V mW ˚C ˚C Operating temperature range Storage temperature range -30 ~ +80 -55 ~ +125 *1 Derating:8.
0mW/˚C for operation above Ta=25˚C *2 Derating:3.
0mW/˚C for operation above Ta=25˚C Recommended Operating Conditions (Ta=25˚C) Parameter Power supply voltage Symbol VDD Min.
2.
85 Typ.
Max.
5.
25 Unit V De...


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