March 7, 2007
SM537-1 ADSL Line Transformers
Features
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)
OCL @10kHz, 0.1V
(1-4) WITH (2-3) SHORTED
(10-7) WITH (8-9) SHORTED
LEAKAGE INDUCTANCE @100kHz 0.1V
(10-7) WITH (2-3), (1-4), (8-9) SHORTED
LONGITUDINAL BALANCE
10kHz TO 1.1MHz
INSERTION LOSS @300kHz
ISOLATION VOLTAGE (MAX)
LOAD RESISTANCE
DC RESISTANCE
(1-4) WITH (2-3) SHORTED
(10-7) WITH (8-9) SHORTED
THD LINEARITY @30kHz
APPLICATION
OPERATING TEMP: -40°C to +85°C
1 : 1.1±2%
2.03mH MIN
1.75mH MIN
7.5µH MAX
50dB MIN
<0.5dB
1500 Vrms
100Ω
1.30Ω MAX
1.50Ω MAX
-80dB TYP
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.
DATATRONICS [ DATATRONIC DISTRIBUTION, INC. ]
