AS8344-A

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 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 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 Leakage inductance max (µH) 5 5 10 10 10 10 15 10 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 Capacitance max (pF) 40 40 40 25 90 90 90 90 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 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. Document 216-1 Revised 08/20/07 © Coilcraft, Inc. 2008 Coilcraft, Document 216-2 ADSL Transformers for Globespan Chip Sets AS8954-A, AS8952-A, AS8330-A, AS8424-A Dot above pin 1 Line side 10 C Chip side 1 B 0.004/0,10 7 9 E 4 2 6 5 5 6 F 6 5 A 10 1 1 10 AS8954-A, AS8952-A Recommended Land Pattern Note: For AS8424-A, pin 3 is removed after assembly. G Line side 1 Chip side 10 A max B max 0.530 13,46 0.699 17,75 C max E 0.500 12,70 0.590 14,99 F typ 0.098 2,50 G typ 0.050 × 0.061 1,27 × 1,55 4 2 7 9 5 6 Packaging 100 parts per tray AS8330-A, AS8424-A AS8343-A, AS8344-A, AS8345-A, AS8346-A Dot on Pin 1 E Line side 10 Chip side 1 1 2 3 4 10 9 8 7 A F 8 9 3 2 7 4 G Top view Bottom view E B C F D Recommended PC board layout H A max 0.930 23,62 B max 1.05 26,7 C max 0.46 11,7 D min 0.12 3,0 E 0.800 20,32 F typ 0.150 3,81 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. Document 216-2 Revised 08/20/07 © Coilcraft, Inc. 2008 Coilcraft,