March 7, 2007

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.

SCHEMATIC

SM561-1 and SM562-1 ADSL Line Transformers

Features

For use with Analog Devices AD20msp930 ADSL Chipsets

Excellent Total Harmonic Distortion (THD) performance

SMT Package and small size

Designed to meet UL1950 and EN60950 Supplementary Insulation

requirements for voltages up to 250Vrms maximum

ELECTRICAL SPECIFICATIONS AT 25

°C:

OPERATING TEMP: -40

°C TO 85°C

SM561-1

SM562-1

TURNS RATIO (1-4) : (10-7)

1 : 1.1

±2%

1 : 1.2

±2%

OCL @10kHz, 0.1V

(1-4) WITH (2-3) SHORTED

1.75mH MIN

1.75mH MIN

(10-7) WITH (8-9) SHORTED

2.03mH MIN

2.42mH MIN

LEAKAGE INDUCTANCE @100kHz 0.1V

(1-4) WITH (2-3), (8-9), (10-7) SHORTED

7.5

µH MAX

7.5

µH MAX

LONGITUDINAL BALANCE 10kHz – 1.1MHz

50dB MIN

50dB MIN

INSERTION LOSS @300kHz

<0.5dB

<0.5dB

ISOLATION VOLTAGE (MAX)

1500 Vrms

1500 Vrms

LOAD RESISTANCE

100

Ω

100

Ω

DC RESISTANCE (1-4)

1.5

Ω MAX

1.5

Ω MAX

(10-7)

1.3

Ω MAX

1.3

Ω MAX

THD LINEARITY @30kHz

-80dB TYP

-80dB TYP

APPLICATION

CO

CPE

OUTLINE DIMENSIONS

NOTES:

1.

Dimensions are shown in inches/millimeters

Unless otherwise specified, tolerance

= Inches: ±0.010

= Millimeters: ±0,25

2.

For non-RoHS parts replace DR prefix with 42-

(e.g. SM561-1 becomes 42-561-1)

3.

Terminal finish is compliant to RoHS requirements.

Solder in accordance with J-STD-020C.