B2137

ADSL LINE TRANSFORMERS For Analog Devices AD20msp930 Chipset Compatible with ADSL and ADSL over ISDN Central Office Applications Excellent THD performance in a small footprint Designed to meet UL1950 and EN60950 supplementary insulation requirements for working voltages up to 250 Vrms Electrical Specifications @ 25°C — Operating Temperature -40°C to 85°C Part Number B2136 B2137 2 B2168 2 B2188 Mounting THT SMT SMT THT Application ADSL ADSL ADSL/ISDN ADSL/ISDN Turns Ratio (1-4):(10-7) (± 2%) 1:1.1 1:1.1 1:1 1:1 OCL @ 10 KHz, 0.1 V (1-4) with 2-3 shorted 1.75 mH 1.75 mH 100 µH 100 µH Leakage Inductance @ 100 KHz, 0.1 V (MAX) (1-4) with 2-3, 8-9, 10-7 shorted 7.5 µH 7.5 µH 4.0 µH 4.0 µH Longitudinal Balance (10 KHz - 1.1 MHz) 50 dB MIN 50 dB MIN 46 dB MIN 46 dB MIN Additional Specifications Part Number B2136 B2137 2 B2168 2 B2188 1 2 THD Typical (Linearity) -80 dB @ 30 KHz -80 dB @ 30 KHz -80 dB @ 30 KHz -80 dB @ 100 KHz DC Resistance (Ω - MAX) 1.5 (1-4) with (2-3) short 1.5 (1-4) with (2-3) short 1.0 (1-4) = (2-3) 1.0 (1-4) = (2-3) 1.3 (10-7) with (8-9) short 1.3 (10-7) with (8-9) short 1.0 (10-8) = (9-7) 1.0 (10-8) = (9-7) Isolation Voltage (Vrms) 1500 1500 1500 1500 Insertion Loss 1 (dB @ 300 KHz)