®
EL2270
Data Sheet
July 13, 2004
FN7053.1
70MHz/1mA Current Mode Feedback
Amplifiers
The EL2270 is a dual current-feedback
operational amplifiers which achieves
a -3dB bandwidth of 70MHz at a gain
of +1 while consuming only 1mA of supply current per
amplifier. It will operate with dual supplies ranging from
±1.5V to ±6V, or from single supplies ranging from +3V to
+12V. In spite of its low supply current, the EL2270 can
output 55mA while swinging to ±4V on ±5V supplies. These
attributes make the EL2270 an excellent choice for low
power and/or low voltage cable-driver, HDSL, or RGB
applications.
For applications where board space is extremely critical. The
EL2270 is available in industry standard pinouts in SO
package.
For single and dual applications with disable, consider the
EL2176 (8-pin single) or EL2276 (14-pin dual). For higher
speed applications where power is still a concern, consider
the EL2180/EL2186 family which also comes in similar
single, dual, triple and quad configurations. The
EL2180/EL2186 family provides a -3dB bandwidth of
250MHz while consuming 3mA of supply current per
amplifier.
Features
• Dual topologies
• 1mA supply current (per amplifier)
• 70MHz -3dB bandwidth
• Low cost
• Single- and dual-supply operation down to ±1.5V
• 0.15%/0.15° diff. gain/diff. phase into 150Ω
• 800V/µs slew rate
• Large output drive current - 55mA
• Also available with disable in single (EL2176) & dual
(EL2276)
• Higher speed EL2180/EL2186 family available
(3mA/250MHz) in single, dual, and quad
•
Pb-free available
Applications
• Low power/battery applications
• HDSL amplifiers
• Video amplifiers
• Cable drivers
• RGB amplifiers
• Test equipment amplifiers
Ordering Information
PART
NUMBER
EL2270CS
EL2270CS-T7
EL2270CS-T13
EL2270CSZ
(See Note)
EL2270CSZ-T7
(See Note)
EL2270CSZ-
T13 (See Note)
PACKAGE
8-Pin SO
8-Pin SO
8-Pin SO
8-Pin SO
(Pb-free)
8-Pin SO
(Pb-free)
8-Pin SO
(Pb-free)
TAPE & REEL PKG. DWG. #
-
7”
13”
-
7”
13”
MDP0027
MDP0027
MDP0027
MDP0027
MDP0027
MDP0027
• Current to voltage converters
Pinout
EL2270
(8-PIN SO)
TOP VIEW
NOTE: Intersil Pb-free products employ special Pb-free material
sets; molding compounds/die attach materials and 100% matte tin
plate termination finish, which is compatible with both SnPb and
Pb-free soldering operations. Intersil Pb-free products are MSL
classified at Pb-free peak reflow temperatures that meet or exceed
the Pb-free requirements of IPC/JEDEC J Std-020B.
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 321-724-7143
|
Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright © 2002 Elantec Semiconductor, Inc. 2002-2004 Intersil Americas Inc. All Rights Reserved. Elantec is a registered trademark of Elantec Semiconductor, Inc.
All other trademarks mentioned are the property of their respective owners.
1
EL2270
Absolute Maximum Ratings
(T
A
= 25°C)
Voltage between V
S
+ and V
S
- . . . . . . . . . . . . . . . . . . . . . . . . +12.6V
Common-Mode Input Voltage . . . . . . . . . . . . . . . . . . . . . V
S
- to V
S
+
Differential Input Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .±6V
Current into +IN or -IN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .±7.5mA
Internal Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . See Curves
Operating Ambient Temperature Range . . . . . . . . . .-40°C to +85°C
Operating Junction Temperature
Plastic Packages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150°C
Output Current (EL2270) . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±60mA
Storage Temperature Range . . . . . . . . . . . . . . . . . .-65°C to +150°C
CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the
device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
IMPORTANT NOTE: All parameters having Min/Max specifications are guaranteed. Typical values are for information purposes only. Unless otherwise noted, all tests
are at the specified temperature and are pulsed tests, therefore: T
J
= T
C
= T
A
DC Electrical Specifications
PARAMETER
V
OS
TCV
OS
dV
OS
+I
IN
d+I
IN
-I
IN
d-I
IN
CMRR
-ICMR
PSRR
-IPSR
R
OL
+R
IN
+C
IN
CMIR
V
O
V
S
= ±5V, R
L
= 150Ω, T
A
= 25°C unless otherwise specified.
CONDITIONS
MIN
TYP
2.5
Measured from T
MIN
to T
MAX
5
0.5
0.5
20
4
1.5
V
CM
= ±3.5V
V
CM
= ±3.5V
V
S
is moved from ±4V to ±6V
V
S
is moved from ±4V to ±6V
V
OUT
= ±2.5V
V
CM
= ±3.5V
150
1
60
45
50
4
70
0.5
400
4
1.2
±3.5
V
S
= ±5
V
S
= 5 single-supply, high
V
S
= 5 single-supply, low
±3.5
±4.0
±4.0
4.0
0.3
50
55
1
2
5
10
15
5
MAX
15
UNIT
mV
µV/°C
mV
µA
nA
µA
µA
dB
µA/V
dB
µA/V
kΩ
MΩ
pF
V
V
V
V
mA
mA
DESCRIPTION
Input Offset Voltage
Average Input Offset Voltage Drift
V
OS
Matching
+Input Current
+I
IN
Matching
-Input Current
-I
IN
Matching
Common Mode Rejection Ratio
-Input Current Common Mode
Rejection
Power Supply Rejection Ratio
-Input Current Power Supply
Rejection
Transimpedance
+Input Resistance
+Input Capacitance
Common Mode Input Range
Output Voltage Swing
I
O
I
S
Output Current
Supply Current
Per amplifier
Per amplifier
AC Electrical Specifications
PARAMETER
-3dB BW
-3dB BW
SR
t
R
, t
F
t
PD
OS
V
S
= ±5V, R
F
= R
G
= 1kΩ, R
L
= 150Ω, T
A
= 25°C unless otherwise specified
CONDITIONS
A
V
= 1
A
V
= 2
V
OUT
= ±2.5V, A
V
= 2
V
OUT
= ±500mV
V
OUT
= ±500mV
V
OUT
= ±500mV
400
MIN
TYP
70
60
800
4.5
4.5
3.0
MAX
UNIT
MHz
MHz
V/µs
ns
ns
%
DESCRIPTION
-3dB Bandwidth
-3dB Bandwidth
Slew Rate
Rise and Fall Time
Propagation Delay
Overshoot
2
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