E2009QNLT Datasheet, PDF (3/4 Pages) Pulse A Technitrol Company – SURFACE MOUNT 10BASE-T INTERFACE MODULES

SURFACE MOUNT 10BASE-T
INTERFACE MODULES
Fully Integrated for Adapter, Hub, and
Motherboard Applications
Resistor Values ()
Part
Number
IC
Manufacturer
R1
R2
R3
R4
R5
R6
R7
E2001QNL
National
348.0
53.6
53.6
348.0
806
49.9
49.9
E2003QNL
AMD
61.9
422.0
61.9
422.0
1,210
49.9
49.9
E2007QNL
Motorola
39.0
—
39
—
—
49.9
49.9
E2001QNL, E2003QNL, E2007QNL
Schematic
CHIP SIDE
R1
1
R2
2
R3 R5
3
R4
4
TRANSMIT CHANNEL
LOW PASS ^1:1
FILTER
5
LOW PASS
FILTER
UTP SIDE
NOTE 1
8
100 W
6
NOTE: Common Mode Choke on transmit channel for E2001QNL and E2003QNL.
CHIP SIDE
16
15
14
RECEIVE CHANNEL
LOW PASS ^1:1
FILTER
R6
12
R7
LOW PASS
FILTER
UTP SIDE
9
100 W
11
Typical Application Circuit
E2001QNL, E2003QNL, E2007QNL
TWISTED
PAIR
TRANSMIT
OUTPUTS
RXI+
RXI-
ANALOG INTERFACE MODULE
1 234
R1 R2 R3 R4
R5
5678
LPF
LPF
LPF
LPF
R7 R6
16 15 14 13 12 11 10 9
.01µF
2 _TD-
1 _TD+
3 _RD+
6 _RD-
RJ-45
CONNECTOR
UTP
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3
E115.E (5/09)