CYG2218 TM Cybergate DAA INTEGRATED CIRCUITS DIVISION Features Description Zero Insertion Loss IXYS Integrated Circuits Divisions Cybergate Low Distortion Transformer Signal Coupling CYG2218 DAA module provides a complete (0.01% max) telephone line interface circuit featuring 0dB insertion Complete Ring Detector Circuit loss. It includes a 2-4 wire converter for transmit and Low Power Hook Switch receive signal separation in a small 1.07 x 1.07 x Electronic Inductor/Gyrator Circuit 0.4 package. The module provides a fast and cost Solid State Surge Protection effective solution for designs that require an interface Transient Protection Zener Diodes to the telephone line. The module is designed to meet Complete Hybrid Circuit (2-4 Wire Converter) FCC part 68 requirements, thus providing a low risk Included design solution. Compatible with All Modem Chip Sets V.32 bis/V.34 Compatible Approvals UL Recognized: File E174201 Applications Modems Ordering Information Fax Machines Remote Data Acquisition Part Description Security Systems CYG2218 DAA Module (18/Tube) Voice Mail Systems PC Motherboard Computer Telephony Process Control Medical PBX Direct Broadcast Satellite Block Diagram Surge XMIT+ Protection TIP 2 to 4 Line Line Wire Current Transformer Converter Circuit RING RCV OH Hook Switch Ring RI Detect DS-CYG2218-R03 www.ixysic.com 1CYG2218 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 Isolation Voltage 1000 V 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 On-Hook Impedance 100V Across Pins 1, 2 10 - - M DC 2, 1 (R, T) per FCC 68.312 Off-Hook Line Leakage Current 100V Across Pins 1, 2 -- 10 A DC 2, 1 (R, T) per FCC 68.312 Power Supply Current V V = 5V CC CC 456 mA V = 2.4V Hook Switch Control Current OH OH 3.5 4.1 5 mA V = 5V OH 11.8 12.4 13 Hook Switch Control Voltage Off-Hook - 23 20 V On-Hook - -0.2 0.5 1.3 AC Signal Path Electrical Characteristics 25C (Unless Otherwise Noted) Parameter Conditions Minimum Typical Maximum Units Return Loss 600, 1800Hz 39 40 - dB Insertion Loss Transmit 600, 1800Hz, Test Circuit 1 -1 0 +1 dB Receive 600, 1800Hz, Test Circuit 2 Frequency Response 300Hz - 3500Hz -0.25 - +0.25 dB Longitudinal Balance On-Hook 60 - - Per FCC 68.310 dB Off-Hook 40 - - Transhybrid Loss 600, 1800Hz --32 -10 dB Total Harmonic Distortion 600, 1800Hz --80 - dB DC Loop Current - 20 - 120 mA R03 www.ixysic.com 2