ADSL LINE TRANSFORMERS
For Centillium’s CopperFlite
™
8-Port CO Chipsets
Matched to Centillium’s CopperFlite™ CT-L53SC08,
CT-L63SC08, and CT-L73SC08 chipsets
Excellent THD performance in a small footprint
Designed to meet UL 1950 and EN 60950 supplementary
insulation requirements for working voltages up to 250Vrms
Electrical Specifications @ 25°C — Operating Temperature -40°C to +85°C
Part
Number
BX2347
BX2348
1
BX2349
1
BX2380
Mounting
THT
SMT
SMT
THT
ADSL CO
Termination
Active
Passive
Turns Ratio (Chip:Line)
(±2%)
1CS:1CS
1CS:1.8CS
Inductance
(@ 100mV)
850µH ±7% @ 30kHz
(1-4) with (2-3) shorted
Leakage Inductance
(@ 100kHz, 0.1Vrms)
5.5µH MAX
(1-4) with (2-3), (7-10)
and (8-9) shorted
Additional Specifications
Part
Number
BX2347
BX2348
1
BX2349
1
BX2380
1
THD
(dB @ 100Ω)
≤-80
(@40kHz, 2.5Vrms)
Longitudinal Balance
(dB)
≤-50
(@10kHz, 1.1Vrms)
DC Resistance
≤1.40Ω
(1-4) with (2-3) shorted
≤1.30Ω
(1-4) with (2-3) shorted
≤1.40Ω
(7-10) with (8-9) shorted
≤0.75Ω
(7-10) with (8-9) shorted
Isolation
Voltage
1500Vrms
(60 sec)
Transformers are shipped in tubes unless tape and reel is specified. Please add the suffix
“T”
(i.e. BX2348T) for tape and reel orders.
Mechanicals
BX2347/BX2380
BX2347/BX2380
Date Code
Country of Mfg.
BX2348/BX2349
10
X .028
± .002
0,71
± 0,05
.695
17,65
MAX
.394
10,00
MAX
.605
15,37
.100
2,54
.394
10,00
10
X .051
± .002
1,30
± 0,05
.098
2,50
.525
13,34
MAX
.500
12,70
MAX
BX2348/B2349
Date Code
Country of Mfg.
.098
2,50
.555
14,10
MAX
.485
12,32
MAX
10
X
.020
0,51
.120 ± .015
3,05
±
0,38
.394
10,00
.550
13,97
MAX
.098
2,50
.394
10,00
.547
13,89
MAX
.475
12,07
MAX
.005/0,13
10
SURFACES
BX2347/BX2380 BX2348/BX2349
Weight
......................6.2 grams .............6.2 grams
Tape & Reel
.......................N/A ................150/reel
Tray/Tube
......................65/tray ..................60/tray
Dimensions:
Inches
mm
Unless otherwise specified, all tolerances are ± .010
0,25
Schematic
1
Chip
3
2
4
Pulse
Pulse North China
China Headquarters
Room 1002
No. 1
Industrial District
Changan, Dongguan
China
TEL: 86 769 5538070
FAX: 86 769 5538870
No. 819
Nanjing West Rd
Shanghai
China
TEL: 86 21 32181071
FAX: 86 21 32181396
10
8
Line
9
7
Pulse South Asia
150 Kampong Ampat
#07-01/02
KA Centre
Singapore 368324
TEL: 65 6287 8998
FAX: 65 6280 0080
For More Information:
Pulse Worldwide
Headquarters
12220 World Trade Drive
San Diego, CA 92128
U.S.A.
www.pulseeng.com
TEL: 858 674 8100
FAX: 858 674 8262
Pulse
Northern Europe
3 Huxley Road
Surrey Research Park
Guildford, Surrey GU2 5RE
United Kingdom
TEL: 44 1483 401700
FAX: 44 1483 401701
Pulse
Southern Europe
Zone Industrielle
F-39270
Orgelet
France
TEL: 33 3 84 35 04 04
FAX: 33 3 84 25 46 41
Pulse North Asia
3F-4, No. 81, Sec. 1
Hsin Tai Wu Road
Hsi-Chih
Taipei Hsien
Taiwan
TEL: 886 2 26980228
FAX: 886 2 26980948
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.
© Copyright, 2005. Pulse Engineering, Inc. All rights reserved.
www.pulseeng.com
B994.B (12/05)
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