Document 216-1 ADSL Transformers For Globespan chip sets This product is not RoHS-compliant. Contact Coilcraft for current status or possible alternatives. These transformers have been designed to provide optimum performance with a variety of GlobeSpan ADSL chipsets. They feature very low leakage inductance, stable primary inductance from −40°C to +85°C and longitudinal balance optimized for the best overall performance at the ADSL transmission speed. For free evaluation samples or to discuss custom designs, contact Coilcraft or visit www.coilcraft.com. SPECIFICATIONS Part number AS8952-A AS8954-A AS8330-A AS8424-A AS8343-A AS8344-A AS8345-A AS8346-A Style SMT SMT SMT SMT Leaded Leaded Leaded Leaded Part number AS8952-A AS8954-A AS8330-A AS8424-A AS8343-A AS8344-A AS8345-A AS8346-A Dielectric strength (V) 1875 1875 1875 1875 1500 1500 3000 3000 Chip set Titanium Fourte G7266 Titanium Fourte G7266RT Titanium G7000 Globespan EL-1501 GlobeSpan GlobeSpan GlobeSpan GlobeSpan Turns ratio line:chip 1.41:1 2:1 1:1 1:1 1:1:1.4:1.4 1:1:1:1 1:1:1.4:1.4 1:1:1:1 Inductance (mH) 0.474 ±10%1 0.440 ±5%1 0.430 ±10%2 0.407 ±5%2 0.940 ±10%3 0.410 ±10%3 0.940 ±10%3 0.410 ±10%3 Capacitance max (pF) 40 40 40 25 90 90 90 90 Leakage inductance max (µH) 5 5 10 10 10 10 15 10 Longitudinal balance min (dB) 55 (20 kHz – 1.1 MHz) 55 (20 kHz – 1.1 MHz) 40 (20 kHz – 1.1 MHz) 55 (20 kHz – 1.1 MHz) 50 @ 40 kHz 50 @ 40 kHz 55 @ 40 kHz 55 @ 40 kHz DCR max (Ohms) Chip side Line side 0.48 (1-4, 2-5) 0.88 (10-7, 9-6) 0.36 (1-4, 2-5) 0.94 (10-7, 9-6) 0.29 (10-7, 9-6) 0.32 (1-4, 2-5) 0.363 (10-7, 9-6) 0.429 (1-4, 2-5) 1.0 (1-3, 2-4) 0.750 (9-7, 10-8) 0.340 (1-3, 2-4) 0.340 (9-7, 10-8) 1.0 (1-3, 2-4) 1.0 (9-7, 10-8) 0.340 (1-3, 2-4) 0.80 (9-7, 10-8) THD max (dB) -90 @ 20 kHz -90 @ 20 kHz -80 @ 20 kHz -85 @ 20 kHz -80 @ 20 kHz -80 @ 20 kHz -70 @ 20 kHz -65 @ 20 kHz Designed to meet UL 1950 UL 1950 UL 1459, 1950 UL 1459, 1950 UL 1950 UL 1950 1. Measured across pins 10-6 with pins 7-9 shorted. 2. Measured across pins 1-5 with pins 2-4 shorted. 3. Measured across pins 1-4 with pins 2-3 shorted. 4. All electrical specifications referenced to line side. 5. Operating temperature range -40°C to +85°C. 6. Electrical specifications at 25°C. Specifications subject to change without notice. Please check our website for latest information. © Coilcraft, Inc. 2008 Document 216-1 Revised 08/20/07 Document 216-2 ADSL Transformers for Globespan Chip Sets AS8954-A, AS8952-A, AS8330-A, AS8424-A Line side Dot above pin 1 Chip side 10 1 7 9 4 6 5 C 0.004/0,10 B 2 E 6 5 6 5 F AS8954-A, AS8952-A A 10 1 1 10 Line side G Recommended Land Pattern Chip side 1 10 4 2 9 5 6 Note: For AS8424-A, pin 3 is removed after assembly. A max B max C max E F typ G typ 0.530 0.699 0.500 0.590 0.098 0.050 × 0.061 13,46 17,75 12,70 14,99 2,50 1,27 × 1,55 Packaging 100 parts per tray 7 AS8330-A, AS8424-A AS8343-A, AS8344-A, AS8345-A, AS8346-A Dot on Pin 1 Line side E 1 10 2 3 9 8 4 7 A F Chip side 10 1 8 9 2 7 4 3 G Top view Bottom view E B C F D A max 0.930 23,62 B max 1.05 26,7 C max 0.46 11,7 D min 0.12 3,0 Recommended PC board layout E 0.800 20,32 F typ 0.150 3,81 H G typ 0.017 × 0.038 0,43 × 0,97 H typ 0.045 x 0.025 1,14 x 0,64 Packaging 49 parts per tray Specifications subject to change without notice. Please check our website for latest information. © Coilcraft, Inc. 2008 Document 216-2 Revised 08/20/07