SM538-1 & PT539-1 ADSL Line Transformers
Features
■
For use with Analog Device’s
AD20msp910 / AD20msp918 ADSL
chipsets
■
Excellent Total Harmonic Distortion (THD)
performance in a small size
■
SMT and thru-hole package version
■
Operating temperature -40 °C to +85 °C
■
Designed to meet UL1950 and EN60950
supplementary insulation requirements
for operating voltages up to 250 Vrms
■
Lead free version available (see How to
Order)
■
Lead free versions are RoHS compliant*
Applications
■
ADSL - Analog AD20msp910/918
Electrical Specifications @ 25
°
C
Turns Ratio ................................1:1 ±2 %
OCL @ 10 kHz, 0.1 V
(1-4) with (2-3) shorted
......................................5.0 mH ±10 %
(10-7) with (8-9) shorted
......................................5.0 mH ±10 %
Leakage Inductance @ 100 kHz 0.1 V
(1-4) with (2-3), (8-9), (10-7) shorted
........................................18.0 μH max.
Longitudinal Balance
25 kHz to 1.1 MHz ..............40 dB min.
Insertion Loss @ 100 kHz ..........< 0.5 dB
Isolation Voltage ............1500 Vrms max.
Load Resistance ............................100
DC Resistance
(1-4), (10-7) ............................3
max.
THD Linearity
SM538-1 @ 300 kHz ..........-60 dB typ.
PT539-1 @ 30 kHz..............-80 dB typ.
Package
SM538-1 ......................................SMT
PT539-1 ........................................THT
Product Dimensions
Electrical Schematic
DIMENSIONS ARE:
MM
(INCHES)
TOLERANCE: ±
0.25
(.010)
SM538-1
(DATECODE)
5
4
3
2
1
6
7
8
9
10
.711
±
.050
(.028
±
.002)
Recommended PAD layout
10 PLCS.
1.30
±
.050
(.051
±
.002)
10 PLCS.
13.46
(.530)
MAX.
10.00
(.394)
MAX.
17.65
(.695)
MAX.
13.50
(.531)
MAX.
12.32
(.485)
MAX.
12.07
(.475)
MAX.
2.50
(.098)
2.54
(.100)
2.50
(.098)
10.00
(.394)
15.37
(.605)
0.13
(.005)
10 SURFACES
SMT
10
8
9
7
1
3
2
4
PT3-
S581
THT
PT539-1
(DATECODE)
2.6
(.102)
DIA.
10 PLCS.
14.0
(.551)
MAX.
14.2
(.559)
MAX.
12.70
(.500)
MAX.
MIN.
0.6
(.024)
10.00
(.394)
10.00
(.394)
2.50
(.098)
Packaging Specifications
SM538-1E* ..........................200 pcs./reel
PT539-1 ................................60 pcs./tray
*”E” suffix at end of part number
designates tape & reel packaging, e.g.
SM538-1E.
*RHAVALABE
VRSONS
How to Order
SM538-1E or PT539-1 __
Model
Termination
Blank = Tin-lead
L = Tin only (lead free)
03/05
*RoHS Directive 2002/95/EC Jan 27 2003 including Annex
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.