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
Turns Ratio
Leakage Inductance
Longitudinal
Balance
Part
Number
OCL @ 10 KHz, 0.1 V
Mounting
Application
(1-4):(10-7)
@ 100 KHz, 0.1 V (MAX)
(1-4) with 2-3 shorted
(
2%)
1:1.1
1:1.1
1:1
(1-4) with 2-3, 8-9, 10-7 shorted
(10 KHz - 1.1 MHz)
50 dB MIN
B2136
THT
SMT
SMT
THT
ADSL
ADSL
ADSL/ISDN
ADSL/ISDN
1.75 mH
1.75 mH
100 µH
100 µH
7.5 µH
7.5 µH
4.0 µH
4.0 µH
B2137 2
B2168 2
B2188
50 dB MIN
46 dB MIN
46 dB MIN
1:1
Additional Specifications
DC Resistance (Ω - MAX)
Part
Number
THD Typical
(Linearity)
Isolation Voltage
Insertion Loss 1
(dB @ 300 KHz)
(Vrms)
B2136
-80 dB @ 30 KHz
-80 dB @ 30 KHz
-80 dB @ 30 KHz
-80 dB @ 100 KHz
1.5 (1-4) with (2-3) short
1.5 (1-4) with (2-3) short
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)
1500
1500
1500
1500
<0.5
<0.5
<0.5
<0.5
B2137 2
B2168 2
B2188
1.0 (1-4) = (2-3)
1.0 (10-8) = (9-7)
1 FrequencyResponse: 1.0 dB MAX, from 30 KHz to 1.1 MHz.
2 Transformers are shipped in trays, unless Tape & Reel packaging is specified by adding the suffix “T” to this part number (B2137T)
Mechanicals
B21XX
B21XX
.605
15,37
.028 ± .002
0,71 ± 0,05
10 X
.695
17,65
.100
2,54
MAX
5
4
3
2
1
B21XX
Date Code
Country of Mfg.
6
7
8
.530
13,46
MAX
.394
10,00
MAX
.394
B21XX
.098
2,50
10,00
Date Code
Country of Origin
9
10
.098
2,50
.051 ± .002
1,30 ± 0,05
10 X
.500
12,70
.516
MAX
13,11
MAX
.485
12,32
MAX
.475
12,07
MAX
.173 ± .015
4,39 ± 0,38
.018
0,46
.098
2,50
10 X
.394
.394
.005/0,13
10 SURFACES
10,00
10,00
.547
.550
MAX
13,97
Schematics
MAX
13,89
1:1.1
1:1
Weight . . . . . . . . . . . . . . . . . . . . . . . . . . 6.2 grams
Tape & Reel . . . . . . . . . . . . . . . . . . . . . . 150/reel
Tray . . . . . . . . .60/tray (SMT) . . . . . 65/tray (THT)
1
10
1
10
½ Sec
8
½ Pri
3
2
8
3
2
CHIP
LINE
LINE
CHIP
9
7
9
Inches
mm
.010
0,25
Dimensions:
Unless otherwise specified, all tolerances are
½ Pri
½ Sec
4
4
7
B2136/B2137
B2168/B2188
For More Information :
UNITED KINGDOM
UNITED STATES
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DISTRIBUTOR
(Northern Europe)
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(China/Hong Kong)
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Orgelet
France
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#07-01/02
KA Centre
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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)