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
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
Part
Number
B2136
B2137
2
B2168
2
B2188
Mounting
THT
SMT
SMT
THT
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
B2136
B2137
2
B2168
2
B2188
1
2
THD Typical
(Linearity)
-80 dB @ 30 KHz
-80 dB @ 30 KHz
-80 dB @ 30 KHz
-80 dB @ 100 KHz
DC Resistance
(Ω - MAX)
1.5 (1-4) with (2-3) short
1.5 (1-4) with (2-3) short
1.0 (1-4) = (2-3)
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)
1.0 (10-8) = (9-7)
Isolation Voltage
(Vrms)
1500
1500
1500
1500
Insertion Loss
1
(dB @ 300 KHz)
<0.5
<0.5
<0.5
<0.5
FrequencyResponse:
± 1.0 dB MAX, from 30 KHz to 1.1 MHz.
Transformers are shipped in trays, unless Tape & Reel packaging is specified by adding the suffix
“T”
to this part number (B2137T)
Mechanicals
B21XX
B21XX
10 X .028
± .002
0,71
± 0,05
.695
17,65 MAX
5
.605
15,37
.100
2,54
6
7
8
Date Code
Country of Mfg.
B21XX
.530
4
13,46
3
MAX
2
1
Date Code
Country of Origin
B21XX
.098
9
2,50
10
.394
10,00
MAX
10 X .051
± .002
1,30
± 0,05
.394
10,00
.098
2,50
.500
12,70MAX
.516
13,11MAX
.485
12,32
MAX
10 X
.018
0,46
.173 ± .015
4,39 ± 0,38
.394
10,00
.550
13,97MAX
.098
2,50
.394
10,00
.547
13,89MAX
.475
12,07
MAX
.005/0,13
10 SURFACES
Schematics
1
CHIP
3
2
4
1:1.1
Weight
. . . . . . . . . . . . . . . . . . . . . . . . . . 6.2 grams
Tape & Reel
. . . . . . . . . . . . . . . . . . . . . . 150/reel
Tray
. . . . . . . . .60/tray (SMT) . . . . . 65/tray (THT)
Dimensions:
Inches
mm
Unless otherwise specified, all tolerances are ± .010
0,25
10
8
LINE
9
7
LINE
1
3
2
4
1:1
½ Pri
½ Pri
½ Sec
½ Sec
10
8
CHIP
9
7
For More Information :
UNITED STATES
(Worldwide)
12220 World Trade Drive
San Diego, CA 92128
U.S.A.
http://www.pulseeng.com
TEL: 858 674 8100
FAX: 858 674 8262
B2136/B2137
FRANCE
SINGAPORE
(Southern Europe) (Southern Asia)
Zone Industrielle
F-39270
Orgelet
France
TEL: 33 3 84 35 04 04
FAX: 33 3 84 25 46 41
150 Kampong Ampat
#07-01/02
KA Centre
Singapore 368324
TEL: 65 6287 8998
FAX: 65 6280 0080
B2168/B2188
HONG KONG
(China/Hong Kong)
9/F, Phase 2, Tai Sang
Shatin Warehouse Centre
6 Wong Chuk Yeung Street
Fotan, Shatin, Hong Kong
TEL: 852 2788 6588
FAX: 852 2776 1055
UNITED KINGDOM
(Northern Europe)
1 & 2 Huxley Road
The Surrey Research Park
Guildford, Surrey GU2 5RE
United Kingdom
TEL: 44 1483 401700
FAX: 44 1483 401701
TAIWAN, R.O.C.
(Northern Asia)
3F-4, No. 81, Sec. 1
HsinTai Wu Road
Hsi-Chih, Taipei Hsien
Taiwan, R.O.C.
Tel: 886 2 2698 0228
FAX: 886 2 2698 0948
DISTRIBUTOR
Performance warranty of products offered on this data sheet is limited to the parameters specified. Data is subject to change without notice. Other brand and product
names mentioned herein may be trademarks or registered trademarks of their respective owners.
Printed on recycled paper. ©2003, Pulse Engineering, Inc.
B955.A (10/03)
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