March 7, 2007 SM540-1 and PT541-1 ADSL Line Transformers Features y y y y For use with Alcatel’s DynaMiTe MTK-20140 ADSL Chipset Excellent Total Harmonic Distortion (THD) performance Both SMT and Thru-Hole package version Small size ELECTRICAL SPECIFICATIONS AT 25°C: OPERATING TEMP: -40°C TO 85°C SM540-1 PT541-1 1 : 1±2% 2 : 1±2% 480µH±10% 410µH±10% 10.0µH MAX 6.5µH MAX LONGITUDINAL BALANCE 30kHz – 1.1MHz -40dB MIN -40dB MIN INSERTION LOSS @100kHz AND 1.1MHz <1.0dB <1.0dB ISOLATION VOLTAGE (MAX) 1500 Vrms 1500 Vrms DC RESISTANCE (1-4) WITH (2-3) SHORTED 1.0Ω MAX 0.6Ω MAX THD LINEARITY @10kHz (MIN) -72dB TYP - TURNS RATIO (1-4):(10-7) (LINE TO CHIP) OCL @10kHz, 0.1V (1-4) WITH (2-3) SHORTED LEAKAGE INDUCTANCE @300kHz 0.1V (1-4) WITH (2-3), (7-10), (8-9) SHORTED @20kHz (MIN) - APPLICATION CPE OUTLINE DIMENSIONS -72dB TYP CO THT SMT 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. SM540-1 becomes 42-540-1) 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: 951928-7701 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.