HT9032 Ver la hoja de datos (PDF) - Holtek Semiconductor
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HT9032 Datasheet PDF : 8 Pages
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HT9032
Calling Line Identification Receiver
Features
· Operating voltage: 3.5V~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
HT9032D: 8-pin DIP/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 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
Block Diagram
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.
T IP
R IN G
PDW N
R T IM E
B and P ass
. ilte r
D e m o d u la to r
P ow erU p
L o g ic
V a lid D a ta
D e te c tio n
D O U TC
DOUT
CDET
R D ET1
R D ET2
VDD
VSS
In te rn a l
P ow erU p
L o g ic
R in g
A n a ly s is
C ir c u it
R e fe re n c e
V o lta g e
RDET
C lo c k
X1
G e n e ra to r
X2
Rev. 1.30
1
November 19, 2001
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