HT9032C

HT9032C/HT9032D 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 SOP package HT9032D: 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 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 office facilities. The device also provides a carrier detection circuit and a ring detection circuit for easier system applications. T IP R IN G PDW N R T IM E * and P ass F 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. 1.70 1 February 26, 2020 HT9032C/HT9032D Pin Assignment T IP R IN G R D ET1 R D ET2 TEST R T IM E PDW N VSS 1 16 2 15 3 14 4 13 5 12 6 11 7 10 8 9 0 T9032C 1 6 S O P -A VDD D O U TC...