CYG2320

CYG2320 TM Cybergate DAA INTEGRATED CIRCUITS DIVISION Features Description Low Distortion Transformer Signal Coupling IXYS Integrated Circuits Division s CYG2320 Series Complete Ringing Detector Circuit DAA Module provides a complete telephone line Low Power Hook Switch interface circuit in a small (1.07 x 1.07 x 0.4 ) Electronic Inductor/Gyrator Circuit package. The module provides a fast and Surge Protection cost-effective solution for designs that require an V.32 bis/V.34 Compatible interface to the telephone line. PC Board Mountable 16kHz Metering Filter The CYG2320 is designed to meet PTT and safety regulations in Australia. Applications Home Medical Devices Approvals Plant Monitoring Equipment BSI Approved to EN60950 Ceritificate 8123 Security/Alarm Systems Utility Meters Ordering Information Modems Voice Mail Systems Part Description Vending Machines CYG2320 DAA Modem Australia Elevator Control Boxes Network Routers PBX Systems PC Mother Boards Telephony Applications Digital Telephone Answering Machines Typical Application FROM C MUTE V 6 CC Rm 7 560 V LINE 1 1 CC TX1 10 4.3V RING GYRATOR 4.3V LINE 2 2 TX2 HYBRID RING HOOKSWITCH V CIRCUIT DETECT TO TELEPHONE LINE CC NETWORK RX OH 5 11 OH RELAY TIP 470 4 RING 3 GND RING GND V CC 56k DS-CYG2320-R02 www.ixysic.com 1 SURGE PROTECTORCYG2320 INTEGRATED CIRCUITS DIVISION 1 Specifications 1.1 Absolute Maximum Ratings 25C Absolute maximum ratings are stress ratings. Stresses in Symbol Ratings Units excess of these ratings can cause permanent damage to the device. Functional operation of the device at conditions V Isolation Voltage, Input to Output 1500 rms beyond those indicated in the operational sections of this Tip/Ring Load Current data sheet is not implied. 120 mA (Continuous) Hook Switch LED Drive Current 50 mA Hook Switch LED Reverse Voltage 5 V Ring Detect Phototransistor 20 V Voltage V CC Relative Humidity 10-85 % (non-condensing) Operational Temperature 0-70 C Storage Temperature 0-100 C 1.2 DC Electrical Characteristics 25C (Unless Otherwise Noted) Parameter Conditions Minimum Typical Maximum Units V = 100V On-Hook Impedance Tip-Ring DC 10 - - M V = 100V On-Hook Line Leakage Current Tip-Ring DC -- 10 A V = +5V Off-Hook Relay Supply Current CC 789 mA - Hook Switch Power Source 4.75 5 20 V DC Loop Current - 5- 120 mA Mute Relay Supply Current V = +5V 789 mA CC 1.3 AC Signal Path Electrical Characteristics 25C (Unless Otherwise Noted) Parameter Conditions Minimum Typical Maximum Units Return Loss f=300Hz to 3500Hz 14 25 - dB Insertion Loss Transmit Test Circuit 1 -- 7 dB Receive Test Circuit 2 Frequency Response 300Hz to 3500Hz -0.25 - +0.25 dB Longitudinal Balance On-Hook 60 - -- dB Off-Hook 40 Total Harmonic Distortion f = 350Hz, P = -10dBm --80 - dB Secondary Load Impedance Line 1 & Line 2 -100 - Primary Source Impedance Tip & Ring -600 - R02 www.ixysic.com 2