HT9032C/HT9032D
Calling Line Identification Receiver
Features
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Operating voltage: 3.5V~5.5V
Power down mode
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Bell 202 FSK and V.23 demodulation
High input sensitivity
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Ring detection input and output
HT9032C: 16-pin DIP/SOP package
HT9032D: 8-pin DIP/SOP package
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Carrier detection output
Applications
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Feature phones
Computer telephony interface products
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·
Caller ID adjunct boxes
ADSI products
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Fax and answering machines
General Description
The HT9032 calling line identification receiver is a low
power CMOS integrated circuit designed for receiving
physical layer signals transmitted according to Bellcore
TR-NWT-000030 and ITU-T V.23 specifications. The
primary application of this device is for products used to
receive and display the calling number, or message
waiting indicator sent to subscribers from the central of-
fice facilities. The device also provides a carrier detec-
tion circuit and a ring detection circuit for easier system
applications.
Block Diagram
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Rev. 1.41
1
February 23, 2009