1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
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Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright Intersil Americas Inc. 2002. All Rights Reserved
HA-2705
Low Power, High Performance
Operational Amplifier
The HA-2705 is a general purpose amplifier which operates
at very low power levels without compromising large signal
response characteristics or output drive capability.
Advanced circuit design techniques and the use of vertical
NPN and PNP transistors make possible the attainment of
very high gain with a single stage of voltage amplification.
This ensures closed loop stability even in the critical unity
gain follower mode, without the use of external
compensation components.
The circuit is intended for use in applications that require fast
large signal response with low power dissipation and for
instrumentation applications in which low offset voltage, low
bias current drift, large voltage gain and high common mode
rejection are necessary. Full output short circuit protection
and the large differential input breakdown enable the device
to withstand a variety of fault conditions.
Pinout
HA-2705
(PDIP, SOIC)
TOP VIEW
Features
High Slew Rate . . . . . . . . . . . . . . . . . . . . . . . . . . . 20V/
μ
s
Low Power Dissipation. . . . . . . . . . . . . 2.25mW at
±
15.0V
High Open Loop Gain . . . . . . . . . . . .300kV/V (R
L
= 2k
)
Low Input Bias Current. . . . . . . . . . . . . . . . . . . . . . . . .5nA
Low Offset Voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . 1mV
High CMRR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .106dB
Wide Power Supply Range . . . . . . . . . .
±
5.5V to
±
20.0V
Fully Internally Compensated
Output Short Circuit Protected
Offset Null Capability
Applications
Instrumentation
Battery Powered Circuits
Portable Instruments
Remote Data Logging
Part Number Information
PART
NUMBER
TEMPERATURE
RANGE
PACKAGE
HA3-2705-5
0
o
C to +70
o
C
8 Lead Plastic DIP
HA9P2705-5
0
o
C to +70
o
C
8 Lead SOIC
BAL
-IN
+IN
V-
1
2
3
4
8
7
6
5
BAL (NOTE 1)
V+
OUT
NC
+
-
September 1998
File Number
3391.3
OBSOLETE PRODUCT
contact See CA5130, CA5160
1-888-Intersil or www.intersil.com/tsc