®
EL1503A
Data Sheet
June 7, 2002
FN7039
PR ODUC T BRIEF
High Power Differential Line Driver
The EL1503A ADSL Line Driver
contains two wideband high-voltage
drivers which are ideally suited for both
ADSL and HDSL2 applications. They can supply a 39.2V
P-P
signal into a 22
Ω
load while exhibiting very low distortion.
The EL1503A also has a number of power saving features.
The I
ADJ
pin can be used to set the maximum supply current
and the C
0
and C
1
pins can be used to digitally vary the
supply current to one of four modes. These modes include
full power, low power, terminate only and power down.
The EL1503A uses current-feedback type amplifiers, which
achieve a high slew rate while consuming moderate power.
They retain their frequency response over a wide range of
externally set gains. The EL1503A operates on ±5V to ±12V
supplies and consumes only 12.5mA per amplifier.
The device is supplied in a thermally-enhanced 20-pin SO
(0.300”), a thermally-enhanced 16-pin SO (0.150”), and the
small footprint (4x5mm) 24-pin LPP packages. Center pins
on each side of the 20-pin and 16-pin packages are used as
ground connections and heat spreaders. The LPP package
has the potential for a low
θ
JA
(<40°C/W) and dissipates
heat by means of a thermal pad that is soldered onto the
PCB. All package options are specified for operation over the
full -40°C to +85°C temperature range.
Features
• High power ADSL driver
• 39.2V
P-P
differential output drive into 22
Ω
• 42.4V
P-P
differential output drive into 65
Ω
• Driver 2
nd
/3
rd
harmonics of
-66dBc/-72dBc at 2V
P-P
into 100
Ω
differential
• Supply current of 12.5mA per amplifier
• Supply current control
• Power saving modes
• Standard surface-mount packages
• Ultra-small LPP package
Applications
• ADSL line drivers
• HDSL2 line drivers
• Video distribution amplifiers
Ordering Information
PART NUMBER
EL1503ACM
EL1503ACM-T13
EL1503ACL
EL1503ACL-T7
EL1503ACL-T13
EL1503ACS
EL1503ACS-T7
EL1503AC-T13
PACKAGE
20-Pin SO (0.300")
20-Pin SO (0.300")
24-Pin LPP
24-Pin LPP
24-Pin LPP
16-Pin SO (0.150”)
16-Pin SO (0.150”)
16-Pin SO (0.150”)
TAPE &
REEL
-
13”
-
7”
13”
-
7”
13”
PKG. NO.
MDP0027
MDP0027
MDP0046
MDP0046
MDP0046
MDP0027
MDP0027
MDP0027
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 321-724-7143
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