HT9033 CAS Tone Detector Features · Operating voltage: 3.5V~5.5V · Low standby current · Differential input · High sensitivity: -33dBm · Power down control · Data valid output · Bellcore CAS detection (Type II) · 16-pin DIP/SOP package · 3.58MHz clock input Applications · Feature phone system · Computer telephony interface products · Caller ID with Call Waiting · Analog Display Service Interface (ADSI) General Description It is ideal for receiving physical layer signal like Bellcore¢s CPE Alerting Signal (Type II caller ID) and similar evolving services like ETS/BT. The HT9033 is a CPE Alerting Signal (CAS) tone receiver integrated with digital filter/detector and analog front end circuit. The HT9033 using analog filter techniques to achieve very high precision detection for the present of CAS tone. Block Diagram T IP + B a n d P a s s F ilte r R IN G D e c is io n L o g ic C K T D O O P O V R E F V D D S y s te m C lo c k R e fe re n c e V S S P W D N X 1 X 2 Pin Assignment T IP R IN G 1 1 6 2 1 5 O P O V R E F A V S S V S S 3 1 4 A V D D 4 1 3 P W D N 5 1 2 N C 6 1 1 N C 7 1 0 V D D D O X 2 X 1 N C 8 9 N C H T 9 0 3 3 1 6 D IP -A /S O P -A Rev. 1.00 1 May 22, 2006 HT9033 Pin Description Pin Name TIP I/O Description I This pin is connected to the tip side of the twisted pair wires. RING I This pin is connected to the ring side of the twisted pair wires. OPO O Output of OP AMP VREF O Reference voltage output, normally 1/2 VDD. X1 I A crystal or ceramic resonator should be connected to this pin and X2. This pin may be driven from an external clock source. X2 O A crystal or ceramic resonator should be connected to this pin and X1. DO O CAS detection output. Active high. PDWN I A logic ²1² on this pin puts the chip in power down mode. When a logic ²0² is on this pin, the chip in power up mode. This is a Schmitt trigger input. VDD ¾ Positive power VSS ¾ Negative power, ground AVDD ¾ Analog positive power AVSS ¾ Analog negative power NC ¾ No connection Absolute Maximum Ratings Voltages are referenced to VSS, except where noted. Supply Voltage .........................................-0.5V to 6.0V All Input Voltages.................................................25mW Operating Temperature Range ...................0°C to 70°C Storage Temperature Range ................-40°C to 150°C Note: These are stress ratings only. Stresses exceeding the range specified under ²Absolute Maximum Ratings² may cause substantial damage to the device. Functional operation of this device at other conditions beyond those listed in the specification is not implied and prolonged exposure to extreme conditions may affect device reliability. D.C. Characteristics Symbol Parameter Ta=25°C Test Conditions VDD Conditions ¾ Min. Typ. Max. Unit 3.5 ¾ 5.5 V mA VDD Supply Voltage ¾ IDD Operating Current 5V PDWN=0, 3.58MHz on ¾ 2.5 3 ISTBY Standby Current 5V PDWN=1, 3.58MHz off ¾ 1 2 mA VIL ²Low² Input Voltage 5V ¾ ¾ ¾ 0.3 VDD VIH ²High² Input Voltage 5V ¾ 0.7 ¾ ¾ VDD IOL Output Source Current (DO) 5V VOL=0.1VDD ¾ 0.8 ¾ mA ¾ -0.3 ¾ mA ¾ 3.58 ¾ MHz IOH Output Sink Current (DO) 5V VOH=0.9VDD fSYS System Clock ¾ ¾ Rev. 1.00 2 May 22, 2006 HT9033 A.C. Characteristics Symbol tDET Ta=25°C Parameter Test Conditions Min. Typ. Max. Unit ¾ ¾ 2130 ¾ Hz 5V ¾ ¾ 2750 ¾ Hz Frequency Deviation Acceptance 5V Range within which, tones are accepted ¾ ¾ ±0.7 % Frequency Deviation Reject 5V Range outside of which, tones are rejected ±2.5 ¾ ¾ % Acceptable Signal Level per Tone 5V No speech -33 ¾ 0 dBm Reject Signal Level per Tone 5V No speech ¾ -36 ¾ dBm Twist Accept Limit 5V ¾ ¾ ±7 ¾ dB Signal to Noise Ratio 5V ¾ ¾ -19 ¾ dB Present Detect Time 5V ¾ ¾ 55 ¾ ms VDD Conditions Low Tone Frequency 5V High Tone Frequency Clock (System Frequency) Symbol Parameter Ta=25°C Test Conditions VDD Conditions fC Clock Input Frequency 5V ¾ tLHCL Clock Input Rising Time 5V ¾ tHLCL Clock Input Falling Time 5V ¾ DCCL Clock Input Duty Cycle 5V ¾ Min. Typ. Max. Unit 3.5759 3.5795 3.5831 ¾ MHz ¾ 110 ns ¾ ¾ 110 ns 40 50 60 % Functional Description CAS Detector Timing Power Down Mode If PDWN pin= 1, the HT9033 is in reset status and the CAS detector is at power down mode, all function is disable. The oscillator circuit will be stop. C o n d itio n 1 (S ta n d a r d C A S T o n e ): 8 0 m s If PDWN pin= 0, CAS detector is activated. D O C A S T o n e tD to E T ff CAS Detector Output Signal C o n d itio n 2 (C o n tin u o u s C A S T o n e ): The output pin DO is CMOS structure. At the normal status (CAS tone is not presence), the DO pin output low. When the CAS tone is detected, the DO pin will output high level. Parameter Note C A S T o n e D O tD E T tD u r a t io n tD o ff tD tD u r a t io n Min. Typ. Max. Unit tDET CAS Detecting Time ¾ 55 ¾ ms toff DO Off Time ¾ 8 ¾ ms tDuration DO Duration Time ¾ 145 ¾ ms tDoff DO Duration Off Time ¾ 48 ¾ ms o ff If the CAS tone is presence more than tDET time, the CAS tone will be detected, then the DO will output high. Rev. 1.00 3 May 22, 2006 HT9033 Application Circuits + 5 V 4 3 0 k W T IP 3 9 k W 4 7 0 k W 4 7 p F 1 T IP 0 .0 1 m F /2 5 0 V 2 6 2 k W 3 4 5 5 1 k W 4 3 0 k W R IN G R IN G V R E F A V S S A V D D P D W N 6 3 9 k W 7 0 .0 1 m F /2 5 0 V 8 1 5 1 4 1 3 V D D V S S + 5 V 1 6 O P O 1 2 D O N C X 2 N C X 1 1 0 3 .5 8 M H z 9 1 0 M W N C N C M C U 1 1 3 0 p F H T 9 0 3 3 3 0 p F + 5 V 4 3 0 k W T IP 3 9 k W 4 7 0 k W 4 7 p F 1 2 6 2 k W 3 4 5 5 1 k W 4 3 0 k W R IN G R IN G V R E F A V S S A V D D V S S + 5 V 6 3 9 k W 7 0 .0 1 m F /2 5 0 V 8 1 6 O P O T IP 0 .0 1 m F /2 5 0 V 1 5 1 4 1 3 V D D P D W N D O N C X 2 N C X 1 N C N C 1 2 M C U 1 1 1 0 3 .5 8 M H z 9 H T 9 0 3 3 Rev. 1.00 4 May 22, 2006 HT9033 Package Information 16-pin DIP (300mil) Outline Dimensions A B 1 6 9 8 1 H C D a G E I F Symbol Rev. 1.00 Dimensions in mil Min. Nom. Max. A 745 ¾ 775 B 240 ¾ 260 C 125 ¾ 135 D 125 ¾ 145 E 16 ¾ 20 70 F 50 ¾ G ¾ 100 ¾ H 295 ¾ 315 I 335 ¾ 375 a 0° ¾ 15° 5 May 22, 2006 HT9033 16-pin SOP (300mil) Outline Dimensions 1 6 9 A B 1 8 C C ' G H D E Symbol Rev. 1.00 a F Dimensions in mil Min. Nom. Max. A 394 ¾ 419 B 290 ¾ 300 C 14 ¾ 20 C¢ 390 ¾ 413 D 92 ¾ 104 E ¾ 50 ¾ F 4 ¾ ¾ G 32 ¾ 38 H 4 ¾ 12 a 0° ¾ 10° 6 May 22, 2006 HT9033 Product Tape and Reel Specifications Reel Dimensions D T 2 A C B T 1 SOP 16W (300mil) Symbol Description Dimensions in mm A Reel Outer Diameter 330±1 B Reel Inner Diameter 62±1.5 C Spindle Hole Diameter 13±0.5 -0.2 D Key Slit Width 2±0.5 T1 Space Between Flange 16.8+0.3 -0.2 T2 Reel Thickness 22.2±0.2 Rev. 1.00 7 May 22, 2006 HT9033 Carrier Tape Dimensions P 0 D P 1 t E F W C D 1 B 0 P K 0 A 0 SOP 16W (300mil) Symbol Description Dimensions in mm W Carrier Tape Width 16±0.2 P Cavity Pitch 12±0.1 E Perforation Position 1.75±0.1 F Cavity to Perforation (Width Direction) 7.5±0.1 D Perforation Diameter 1.5+0.1 D1 Cavity Hole Diameter 1.5+0.25 P0 Perforation Pitch 4±0.1 P1 Cavity to Perforation (Length Direction) A0 Cavity Length 10.9±0.1 B0 Cavity Width 10.8±0.1 K0 Cavity Depth 3±0.1 t Carrier Tape Thickness C Cover Tape Width Rev. 1.00 2±0.1 0.3±0.05 13.3 8 May 22, 2006 HT9033 Holtek Semiconductor Inc. (Headquarters) No.3, Creation Rd. II, Science Park, Hsinchu, Taiwan Tel: 886-3-563-1999 Fax: 886-3-563-1189 http://www.holtek.com.tw Holtek Semiconductor Inc. (Taipei Sales Office) 4F-2, No. 3-2, YuanQu St., Nankang Software Park, Taipei 115, Taiwan Tel: 886-2-2655-7070 Fax: 886-2-2655-7373 Fax: 886-2-2655-7383 (International sales hotline) Holtek Semiconductor Inc. (Shanghai Sales Office) 7th Floor, Building 2, No.889, Yi Shan Rd., Shanghai, China 200233 Tel: 021-6485-5560 Fax: 021-6485-0313 http://www.holtek.com.cn Holtek Semiconductor Inc. (Shenzhen Sales Office) 5/F, Unit A, Productivity Building, Cross of Science M 3rd Road and Gaoxin M 2nd Road, Science Park, Nanshan District, Shenzhen, China 518057 Tel: 0755-8616-9908, 8616-9308 Fax: 0755-8616-9533 Holtek Semiconductor Inc. (Beijing Sales Office) Suite 1721, Jinyu Tower, A129 West Xuan Wu Men Street, Xicheng District, Beijing, China 100031 Tel: 010-6641-0030, 6641-7751, 6641-7752 Fax: 010-6641-0125 Holtek Semiconductor Inc. (Chengdu Sales Office) 709, Building 3, Champagne Plaza, No.97 Dongda Street, Chengdu, Sichuan, China 610016 Tel: 028-6653-6590 Fax: 028-6653-6591 Holmate Semiconductor, Inc. (North America Sales Office) 46729 Fremont Blvd., Fremont, CA 94538 Tel: 510-252-9880 Fax: 510-252-9885 http://www.holmate.com Copyright Ó 2006 by HOLTEK SEMICONDUCTOR INC. The information appearing in this Data Sheet is believed to be accurate at the time of publication. However, Holtek assumes no responsibility arising from the use of the specifications described. The applications mentioned herein are used solely for the purpose of illustration and Holtek makes no warranty or representation that such applications will be suitable without further modification, nor recommends the use of its products for application that may present a risk to human life due to malfunction or otherwise. Holtek¢s products are not authorized for use as critical components in life support devices or systems. Holtek reserves the right to alter its products without prior notification. For the most up-to-date information, please visit our web site at http://www.holtek.com.tw. Rev. 1.00 9 May 22, 2006