ADSL LINE TRANSFORMERS
E & E Magnetic Products Limited
For Analog Devices AD20msp918 Chipset
Features
Designed to match with Analog Devices
AD20msp918 ADSL Chipsets
Available in Thru-Hole and Surface Mount
packages
Excellent THD performance
Designed to meet IEC950, UL1950 and EN60950
supplementary insulation requirements for working
voltages up to 250Vrms
Electrical Specification @ 25°C
Part
Number
821-00244
821-00245
Turns Ratio
(±2%)
1:1.27
1:1.27
OCL@10KHz, 0.1Vrms
(mH±10%)
(1-4) with 2-3 shorted
1.80
1.80
(10-7) with 8-9 shorted
2.90
2.90
Leakage Inductance
@100KHz, 0.1V (uH Max)
(1-4) with 2-3, 8-9, 10-7 shorted
7.5
7.5
Longitudinal
Balance (dB Min)
(30KHz-1.1MHz)
50
50
Part
Number
821-00244
821-00245
THD@30KHz
(dB Typ)
-80
-80
DCR(Ohm Max)
(1-4)
2.0
2.0
(10-7)
2.0
2.0
Isolation
Voltage(Vrms)
1500
1500
Insertion Loss
@100KHz(dB Max)
0.5
0.5
Frequency Response
@30KHz-1.1MHz(dB Max)
±1.0
±1.0
Mechanical Dimensions
821-00244
.547
13.89 MAX
.535
13.59 MAX
821-00244
(DATE)
.526 MAX
13.36
REFERENCE OR
GAUGE PLANE
.110 MIN
2.79
.024±.003
0.61±0.08
.394
10.00
.550
13.97 MAX
.098
2.50
.394
10.00
.547
13.89 MAX
Packaging Information
Weight(in gm.):
Tray:
6.2 typ.
60 / tray
Unit B10, 3/F., 94 Tokwawan Road, Kowloon, Hong Kong • Tel:(852)2954 3333 • Fax:(852)2954 3304
Preliminary
1
BB003(05) Revised in 02/12
ADSL LINE TRANSFORMERS
E & E Magnetic Products Limited
821-00245
.394
10.00
.530
13.46 MAX
.100
2.54
.098
2.50
.705
17.91
For Analog Devices AD20msp918 Chipset
.695
17.65 MAX
821-00245
(DATE)
RECOMMENDED
PAD LAYOUT
.028±.003
0.71±0.08
.516 MAX
13.11
.051
1.30
.005-.020
0.13-0.51
.485
12.32 MAX
REFERENCE OR
GAUGE PLANE
.098±.010
2.50±0.25
.394±.010
10.00 ±0.25
Packaging Information
Weight(in gm.):
Tape & Reel:
6.2 typ.
150 / reel
Note: Unless otherwise specified, all dimensions are specified in
inches
with tolerance of ±
.010
.
mm
0.25
Schematics
821-00244 / 821-00245
1
10
3
2
8
9
4
7
For more information, please contact:
Headquarter
Unit B10, 3/F., Merit Industrial Centre,
94 Tokwawan Road, Kowloon,
Hong Kong
Tel: (852) 2954 3333
Fax: (852) 2954 3304
Email: eempl@eleceltek.com
Website: Http://www.eleceltek.com
Information herein is for reference only and subject to change without notice. It does not constitute any representation, warranty or commitment of
the company in respect of the products in any aspect. All logos, brands and product names mentioned herein are trademarks or registered
trademarks of their respective owners. The company does not assume any liability arising out of the application or use of any product or circuit
described herein. Copyrights 2002, E & E Magnetic Products Limited.
Unit B10, 3/F., 94 Tokwawan Road, Kowloon, Hong Kong • Tel:(852)2954 3333 • Fax:(852)2954 3304
Preliminary
2
BB003(05) Revised in 02/12
stm32/stm8
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