ADSL LINE TRANSFORMERS
ADSL LINE TRANSFORMERS
For Analog Devices AD20msp930 Chipset
Compatible with ADSL and ADSL over ISDN Central Office App...
Description
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
Part Number
B2136 B2137 2 B2168 2 B2188
Mounting
THT SMT SMT THT
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
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
THD Typical (Linearity)
DC Resistance (Ω - MAX)
Isolation Voltage (Vrms)
B2136 B2137 2 B2168 2
-80 dB @ 30 KHz -80 dB @ 30 KHz -80 dB @ 30 KHz
1.5 (1-4) with (2-3) short 1.5 (1-4) with (2-3) short
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)
1500 1500 1500
B2188
-80 dB @ 100 KHz
1.0 (1-4) = (2-3)
1.0 (10-8) = (9-7)
1500
1 FrequencyResponse: ± 1.0 dB MAX, from 30 KHz to 1.1 MHz. 2 Transformers are shipped in trays, unless Tape & Reel packaging is specified by adding the suffix “T” to this part number (B2137T)
Mechanicals
Insertion Loss 1 (dB @ 300 KHz)
<0.5 <0.5 <0.5 <0.5
B21XX
B21XX
Date Code Country of ...
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