CYG20xx TM Cybergate DAA INTEGRATED CIRCUITS DIVISION Features Description Low Distortion Transformer Signal Coupling The CYG2000, CYG2011, and CYG2020 are Data (0.01% max) Access Arrangement (DAA) modules featuring a 350V, Complete Ring Detector Circuit 120mA, 15 relay used for hook switch an Low Power Hook Switch optocoupler with minimum CTR of 33% for ring Electronic Inductor/Gyrator Circuit detection and a low-distortion transformer with Surge Protection 28.8kbps capabilities. Transient Protection Zener Diodes Half- (20X0) or Full- (20X1) Wave Detection Approvals V.32 bis /V.34 Compatible UL Recognized: File E174201 FCC Compatible Compatible with U.S. and Canadian Dial-Up Phone Ordering Information Lines Supports Leased-Line Operation Part Description PC board mountable CYG2000 DAA Module, Half Wave Ring Detection Applications DAA Module, Full Wave Ring Detection, Modems CYG2011 Loop Current Detection Fax Machines CYG2020 DAA Module, Half Wave Ring Detection, CID Remote Data Acquisition Security Systems Voice Mail Systems PC Motherboard Computer Telephony Process Control Medical PBX Direct Broadcast Satellite Block Diagrams CYG2000 CYG2011 18 V CC V 1 CC R LIM V 1 RING CC 18 LINE 1 LINE 1 V 10 CC 2 RING LINE 2 2 470 GND 17 GYRATOR LINE 2 GYRATOR GND RING HOOKSWITCH V CC DETECT HOOKSWITCH NETWORK LOOP CURRENT 8 R LIM 11 DETECT 7 OH TIP LOOPI RING SURGE V CC 11 470 8 DETEC- PROTEC- 17 TIP OH 9 TION TION V GND CC RING CYG2020 2.2k 9 10 V RING RING CC V CC RING 56k 47k 1 RING R LIM 18 LINE 1 V CC V CC 2 470 17 LINE 2 GYRATOR/ GND CALLER ID 14 HOOKSWITCH CID1 13 CID2 RING SURGE R LIM 11 8 DETEC- PROTEC- TIP OH TION TION 9 10 RING RING 47k V RING CC DS-CYG20xx-R03 www.ixysic.com 1 SURGE PROTECTORCYG20xx 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 (5, 6) 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 0-70 C 1.2 DC Electrical Characteristics 25C (Unless Otherwise Noted) Parameter Conditions Minimum Typical Maximum Units 100VDC Across Pins 10 &11 (R, T) On-Hook Impedance 10 - - M per FCC 68.312 100VDC Across Pins 10 &11 (R, T) Off-Hook Line Leakage Current -- 10 A per FCC 68.312 Hook Switch Resistance - -- 15 V = +5V Off-Hook Supply Current CC 789 mA Hook Switch Power Source, Pin 8 - 4.75 5 20 V DC Loop Current - 20 - 120 mA 1.3 AC Signal Path Electrical Characteristics 25C (Unless Otherwise Noted) Parameter Conditions Minimum Typical Maximum Units Return Loss 300Hz - 3500Hz 18 25 - dB Insertion Loss Transmit 300Hz - 3500Hz, Test Circuit 1 -- 7 dB Receive 300Hz - 3500Hz, Test Circuit 2 -- 7 Frequency Response 300Hz - 3500Hz -0.25 - +0.25 dB Longitudinal Balance On-Hook 60 - - Per FCC 68.310 dB Off-Hook 40 - - DC Loop Current - 20 - 120 mA Total Harmonic Distortion 600Hz and -10dBm - - 0.01 % Secondary Load Impedance Line 1 and Line 2 -294 - Primary Source Impedance Tip and Ring -600 - R03 www.ixysic.com 2