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OPA340, OPA2340, OPA4340
SBOS073C –SEPTEMBER 1997–REVISED AUGUST 2016
OPAx340 Single-Supply, Rail-to-Rail Operational Amplifiers
MicroAmplifier™ Series
The OPA340 series operate on a single supply as low
1 Features
as 2.5 V with an input common-mode voltage range
that extends 500 mV below ground and 500 mV
above the positive supply. Output voltage swing is to
within 1 mV of the supply rails with a 100-kΩ load.
These devices offer excellent dynamic response
(BW = 5.5 MHz, SR = 6 V/µs), yet quiescent current
is only 750 A. Dual and quad designs feature
completely independent circuitry for lowest crosstalk
and freedom from interaction.
1
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Rail-to-Rail Input
Rail-to-Rail Output (Within 1 mV)
MicroSize Packages
Wide Bandwidth: 5.5 MHz
High Slew Rate: 6 V/µs
Low THD + Noise: 0.0007% (f = 1 kHz)
Low Quiescent Current: 750 µA/Channel
Single, Dual, and Quad Versions
The single (OPA340) packages are the tiny 5-pin
SOT-23 surface mount, 8-pin SOIC surface mount,
and 8-pin DIP. The dual (OPA2340) comes in the
miniature 8-pin VSSOP surface mount, 8-pin SOIC
surface mount, and 8-pin PDIP packages. The quad
(OPA4340) packages are the space-saving 16-pin
SSOP surface mount and 14-pin SOIC surface
mount. All are specified from –40°C to 85°C and
operate from –55°C to 125°C. A SPICE macromodel
is available for design analysis.
2 Applications
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Driving A/D Converters
PCMCIA Cards
Data Acquisition
Process Control
Audio Processing
Communications
Active Filters
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
3.00 mm × 3.00 mm
9.81 mm × 6.35 mm
4.90 mm × 3.91 mm
3.00 mm × 3.00 mm
8.65 mm × 3.91 mm
4.90 mm × 3.90 mm
Test Equipment
OPA340
SOT-23 (5)
PDIP (8)
3 Description
OPA340, OPA2340
OPA2340
SOIC (8)
The OPA340 series rail-to-rail CMOS operational
amplifiers are optimized for low-voltage, single-supply
operation. Rail-to-rail input and output and high-
speed operation make them ideal for driving sampling
analog-to-digital (A/D) converters. They are also well-
suited for general purpose and audio applications as
well as providing I/V conversion at the output of
digital-to-analog (D/A) converters. Single, dual, and
quad versions have identical specifications for design
flexibility.
VSSOP (8)
SOIC (14)
SSOP (16)
OPA4340
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
OPA340 in Noninverting Configuration Driving ADS7816
+5V
0.1mF
0.1mF
1
VREF
8
V+
7
6
5
DCLOCK
DOUT
500W
+In
2
Serial
ADS7816
OPA340
Interface
12-Bit A/D
VIN
-In
CS/SHDN
3
3300pF
GND
4
VIN = 0V to 5V for
0V to 5V output.
NOTE: A/D Input = 0 to VREF
RC network filters high-frequency noise.
Copyright © 2016, Texas Instruments Incorporated
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.