DATATRONICS SM537-1

March 7, 2007
SM537-1 ADSL Line Transformers
Features
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y
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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: ddisales@datatronics.com
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.