March 7, 2007 SM538-1 and PT539-1 ADSL Line Transformers Features y y y y For use with Analog Devices AD20msp910 / AD20msp918 ADSL Chipsets Excellent Total Harmonic Distortion (THD) performance in a small size Both SMT and Thru-Hole package version Designed to meet UL1950 and EN60950 supplementary insulation requirements for voltages up to 250Vrms maximum ELECTRICAL SPECIFICATIONS AT 25°C OPERATING TEMP -40°C TO 85°C TURNS RATIO SM538-1 PT539-1 1 : 1±2% 1 : 1±2% OCL @10kHz, 0.1V (1-4) WITH (2-3) SHORTED 5.0mH±10% 5.0mH±10% (10-7) WITH (8-9) SHORTED 5.0mH±10% 5.0mH±10% 18.0µH MAX 18.0µH MAX LONGITUDINAL BALANCE 25kHz – 1.1MHz 40dB MIN 40dB MIN INSERTION LOSS @100kHz <0.5dB <0.5dB ISOLATION VOLTAGE (MAX) 1500 Vrms 1500 Vrms LOAD RESISTANCE 100Ω 100Ω DC RESISTANCE (1-4), (10-7) 3Ω MAX 3Ω MAX THD LINEARITY @300kHz -60dB TYP - LEAKAGE INDUCTANCE @100kHz 0.1V (1-4) WITH (2-3), (8-9), (10-7) SHORTED - @30kHz OUTLINE DIMENSIONS SMT -80dB TYP THT NOTES: 1. Dimensions are shown in inches/millimeters Unless otherwise specified, tolerance = Inches: ±0.010 = Millimeters: ±0,25 2. For non-RoHS parts replace SM prefix with 42- (e.g. SM538-1 becomes 42-538-1) 3. Terminal finish is compliant to RoHS requirements. Solder in accordance with J-STD-020C. SCHEMATIC DATATRONIC: 28151 Highway 74, Romoland, CA 92858 Tel: 951-928-7700 Toll Free 888-889-5391 Fax: 951-928-7701 Email: [email protected] 499 King’s Road, Hong Kong Tel: (852) 2562 3858, (852) 2564 8477 Fax: (852) 2565 7214, (852) 2563 1290 All specifications are subject to change without notice.