March 7, 2007 SM537-1 ADSL Line Transformers Features y y y y For use with Analog Devices AD20msp930 ADSL Chipset (Central Office) Excellent Total Harmonic Distortion (THD) Performance SMT and Small size package Designed to meet UL1950 and EN60950 supplementary insulation requirements for voltages up to 250 Vrms maximum ELECTRICAL SPECIFICATIONS AT 25°C: TURNS RATIO (10-7):(1-4) OPERATING TEMP: -40°C to +85°C 1 : 1.1±2% OCL @10kHz, 0.1V (1-4) WITH (2-3) SHORTED 2.03mH MIN (10-7) WITH (8-9) SHORTED 1.75mH MIN LEAKAGE INDUCTANCE @100kHz 0.1V (10-7) WITH (2-3), (1-4), (8-9) SHORTED 7.5µH MAX LONGITUDINAL BALANCE 10kHz TO 1.1MHz 50dB MIN INSERTION LOSS @300kHz <0.5dB ISOLATION VOLTAGE (MAX) 1500 Vrms LOAD RESISTANCE 100Ω DC RESISTANCE (1-4) WITH (2-3) SHORTED 1.30Ω MAX (10-7) WITH (8-9) SHORTED 1.50Ω MAX THD LINEARITY @30kHz -80dB TYP APPLICATION CO OUTLINE DIMENSIONS SCHEMATIC 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. SM537-1 becomes 42-537-1) 3. Terminal finish is compliant to RoHS requirements. Solder in accordance with J-STD-020C. 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.