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HT9032C Datasheet

  • HT9032C

  • Calling Line Identification Receiver

  • 14頁(yè)

  • ETC

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HT9032C/HT9032D
Calling Line Identification Receiver
Features
路
Operating voltage: 3.5V~5.5V
路
Bell 202 FSK and V.23 demodulation
路
Ring detection input and output
路
Carrier detection output
路
Power down mode
路
High input sensitivity
路
HT9032C: 16-pin DIP/SOP package
HT9032D: 8-pin DIP/SOP package
Applications
路
Feature phones
路
Caller ID adjunct boxes
路
Fax and answering machines
路
Computer telephony interface products
路
ADSI products
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
T IP
R IN G
B a n d P a s s
. ilte r
D e m o d u la to r
P D W N
P o w e r U p
L o g ic
V a lid D a ta
D e te c tio n
D O U T C
D O U T
C D E T
R T IM E
In te rn a l
P o w e r U p
L o g ic
R D E T 1
R D E T 2
R in g
A n a ly s is
C ir c u it
R D E T
V D D
V S S
R e fe re n c e
V o lta g e
C lo c k
G e n e ra to r
X 1
X 2
Rev. 1.40
1
September 30, 2002

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