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LM611
www.ti.com
SNOSC08C –MAY 1998–REVISED MARCH 2013
LM611 Operational Amplifier and Adjustable Reference
Check for Samples: LM611
1
FEATURES
DESCRIPTION
The LM611 consists of a single-supply op-amp and a
2
OP AMP
programmable voltage reference in one space saving
• Low Operating Current: 300 μA (op amp)
8-pin package. The op-amp out-performs most single-
• Wide Supply Voltage Range: 4V to 36V
supply op-amps by providing higher speed and
bandwidth along with low supply current. This device
• Wide Common-Mode Range: V
−
to (V
+
−1.8V)
was specifically designed to lower cost and board
• Wide Differential Input Voltage: ±36V
space requirements in transducer, test, measurement
• Available in Low Cost 8-pin DIP
and data acquisition systems.
• Available in Plastic Package Rated for Military
Combining a stable voltage reference with a wide
Temperature Range Operation
output swing op-amp makes the LM611 ideal for
REFERENCE
single supply transducers, signal conditioning and
bridge driving where large common-mode signals are
• Adjustable Output Voltage: 1.2V to 6.3V
common. The voltage reference consists of a reliable
• Tight Initial Tolerance Available: ±0.6%
band-gap design that maintains low dynamic output
• Wide Operating Current Range: 17 μA to 20
impedance (1Ω typical), excellent initial tolerance
mA
(0.6%), and the ability to be programmed from 1.2V
to 6.3V via two external resistors. The voltage
• Reference Floats Above Ground
reference is very stable even when driving large
• Tolerant of Load Capacitance
capacitive loads, as are commonly encountered in
CMOS data acquisition systems.
APPLICATIONS
As a member of TI's Super-Block family, the LM611
• Transducer Bridge Driver
is a space-saving monolithic alternative to a multi-
chip solution, offering a high level of integration
• Process and Mass Flow Control Systems
without sacrificing performance.
• Power Supply Voltage Monitor
• Buffered Voltage References for A/D's
Connection Diagrams
Figure 1. Hermetic Dual-In-Line Package Figure 2. Plastic Surface Mount Narrow Package
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Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
2All trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Copyright © 1998–2013, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
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