Calling Line Identification Receiver
Features
·
·
·
·
HT9032
HT9032B/C/D operating voltage: 3.5V~5.5V
HT9032F operating voltage: 3.0V~5.5V
Bell 202 FSK and V.23 demodulation
Ring detection input and output
Carrier detection output
·
·
·
Power down mode
High input sensitivity
HT9032C: 16-pin DIP/SOP package
HT9032B/F-A: 8-pin DIP package
HT9032D/F-B: 8-pin SOP package
Applications
·
·
·
Feature phones
Caller ID adjunct boxes
Fax and answering machines
·
·
Computer telephony interface products
ADSI products
General Description
The HT9032 calling line identification receiver
is a low power CMOS integrated circuit de-
signed for receiving physical layer signals tran-
smitted according to Bellcore TR-NWT-000030
and ITU-T V.23 specifications. The primary ap-
plication of this device is for products used to
receive and display the calling number, or mes-
sage waiting indicator sent to subscribers from
the central office facilities. The device also pro-
vides a carrier detection circuit and a ring de-
tection circuit for easier system applications.
1
April 6, 2000