Electrical Specifications at 25O C PARAMETER T-1319G UNITS Turns Ratio HDSL2 TRANSFORMER 1CT : 2.3CT +3% Inductance 2.0+15% mH Longitudinal Balance 40 kHz 65 Typ. dB DCR (Pins 8-6) 2.0 Max. Ω DCR (Pins 1-2 or 4-3) 2.0 Max. Ω Leakage Inductance 30 Max. µH Interwinding Capacitance 55 Max. pF Isolation (HI-POT) 3000 Min. VRMS Primary DC 100 mA Return Loss @ 40kHz @ 320kHz 13 min. 12 min. dB THD -85 dB @20kHz Designed for HDSL2 applications Compatible with Level One SK70740/41/42 Low Profile "Touch Tone" design SCHEMATIC DIAGRAM 8 1 7 2 3 6 4 All electrical specifications referenced to line side Operating temperature range -40o C to +85oC. Chip Side Pins 8-6 Line Side Pins 1-2, 3-4 5 8 Physical Dimensions in inches (mm) .590 (15.0) .110 (2.8) .148 (3.75) 1 .890 (22.61) 4 .660 (16.76) MAX. .780 (19.81) MAX. .079 (2.0) .315 (8.00) MAX. .148 (3.75) TYP. .039 (1.00) TYP. .012 (0.30) TYP. .628 (15.95) NOM. .063 (1.60) MIN. 9/13/99 Rhombus Industries Inc. Transformers & Magnetic Products 15801 Chemical Lane, Huntington Beach, CA 92649 Phone: (714) 898-0960 FAX: (714) 896-0971 www.rhombus-ind.com