DATATRONICS SM540-1

March 7, 2007
SM540-1 and PT541-1 ADSL Line Transformers
Features
y
y
y
y
For use with Alcatel’s DynaMiTe MTK-20140 ADSL Chipset
Excellent Total Harmonic Distortion (THD) performance
Both SMT and Thru-Hole package version
Small size
ELECTRICAL SPECIFICATIONS AT 25°C:
OPERATING TEMP: -40°C TO 85°C
SM540-1
PT541-1
1 : 1±2%
2 : 1±2%
480µH±10%
410µH±10%
10.0µH MAX
6.5µH MAX
LONGITUDINAL BALANCE 30kHz – 1.1MHz
-40dB MIN
-40dB MIN
INSERTION LOSS @100kHz AND 1.1MHz
<1.0dB
<1.0dB
ISOLATION VOLTAGE (MAX)
1500 Vrms
1500 Vrms
DC RESISTANCE (1-4) WITH (2-3) SHORTED
1.0Ω MAX
0.6Ω MAX
THD LINEARITY @10kHz (MIN)
-72dB TYP
-
TURNS RATIO (1-4):(10-7) (LINE TO CHIP)
OCL @10kHz, 0.1V
(1-4) WITH (2-3) SHORTED
LEAKAGE INDUCTANCE @300kHz 0.1V
(1-4) WITH (2-3), (7-10), (8-9) SHORTED
@20kHz (MIN)
-
APPLICATION
CPE
OUTLINE DIMENSIONS
-72dB TYP
CO
THT
SMT
NOTES:
1. Dimensions are shown in inches/millimeters
Unless otherwise specified, tolerance = Inches: ±0.010
= Millimeters: ±0,25
2. For non-RoHS parts replace SM prefix with 42- (e.g. SM540-1
becomes 42-540-1)
3. Terminal finish is compliant to RoHS requirements. Solder in
accordance with J-STD-020C.
SCHEMATIC
DATATRONIC:
28151 Highway 74, Romoland, CA 92858 Tel: 951-928-7700 Toll Free: 888-889-5391 Fax: 951928-7701
Email: ddisales@datatronics.com
499 King’s Road, Hong Kong Tel: (852) 2562 3858, (852) 2564 8477 Fax: (852) 2565 7214, (852) 2563 1290
All specifications are subject to change without notice.