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OPA2388IDGKR Datasheet(PDF) 1 Page - Texas Instruments

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Part No. OPA2388IDGKR
Description  OPAx388 Precision, Zero-Drift, Zero-Crossover, True Rail-to-Rail, Input/Output Operational Amplifiers
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

OPA2388IDGKR Datasheet(HTML) 1 Page - Texas Instruments

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-3
-2
-1
0
1
2
3
2.47
2.48
2.49
2.5
2.51
2.52
2.53
±100 ±80 ±60 ±40 ±20
0
20
40
60
80
100
û5 5 SSP
C001
R
G = 1 kŸ
GND
R2
25 k
R3
25 k
RG
+
±
OPA388
GND
5 V
R4
100 k
REF5025
5 V
+
±
OPA388
GND
5 V
R2
10 k
GND
VOUT
R4
100 k
5 V
G = 5 +
200
RG
+SENSE
±SENSE
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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. UNLESS OTHERWISE NOTED, this document contains PRODUCTION
DATA.
OPA388, OPA2388, OPA4388
SBOS777C – DECEMBER 2016 – REVISED MAY 2019
OPAx388 Precision, Zero-Drift, Zero-Crossover,
True Rail-to-Rail, Input/Output Operational Amplifiers
1
1 Features
1
Ultra-low offset voltage: ±0.25 µV
Zero drift: ±0.005 µV/°C
Zero crossover: 140-dB CMRR true RRIO
Low noise: 7.0 nV
√Hz at 1 kHz
No 1/f noise: 140 nVPP (0.1 Hz to 10 Hz)
Fast settling: 2 µs (1 V to 0.01%)
Gain bandwidth: 10 MHz
Single supply: 2.5 V to 5.5 V
Dual supply: ±1.25 V to ±2.75 V
True rail-to-rail input and output
EMI/RFI filtered inputs
Industry-standard packages:
Single in SOIC-8, SOT-23-5, and VSSOP-8
Dual in SOIC-8 and VSSOP-8
Quad in SOIC-14 and TSSOP-14
2 Applications
Bridge amplifiers
Strain gauges
Test equipment
Current shunt measurement
Thermocouples, thermopiles
Electronic scales
Medical instrumentation
Resistor thermal detectors
Precision active filters
3 Description
The OPAx388 (OPA388, OPA2388, and OPA4388)
series of precision operational amplifiers are ultra-low
noise, fast-settling, zero-drift, zero-crossover devices
that provide rail-to-rail input and output operation.
These
features
and
excellent
ac
performance,
combined with only 0.25 µV of offset and 0.005 µV/°C
of drift over temperature, makes the OPAx388 a great
choice for driving high-precision, analog-to-digital
converters (ADCs) or buffering the output of high-
resolution, digital-to-analog converters (DACs). This
design results in excellent performance when driving
analog-to-digital
converters
(ADCs)
without
degradation of linearity. The OPA388 (single version)
is available in the VSSOP-8, SOT23-5, and SOIC-8
packages. The OPA2388 (dual version) is offered in
the VSSOP-8 and SO-8 packages. The OPA4388
(quad version) is offered in the TSSOP-14 and SO-14
packages.
All
versions
are
specified
over
the
industrial temperature range of –40°C to +125°C.
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
OPA388
SOIC (8)
4.90 mm × 3.90 mm
SOT-23 (5)
2.90 mm × 1.60 mm
VSSOP (8)
3.00 mm × 3.00 mm
OPA2388
SOIC (8)(2)
4.90 mm × 3.90 mm
VSSOP (8)
3.00 mm × 3.00 mm
OPA4388
SOIC (14)
8.65 mm x 3.90 mm
TSSOP (14)
5.00 mm x 4.40 mm
(1) For all available packages, see the package option addendum
at the end of the data sheet.
(2) The OPA2388 SOIC (D) package is preview.
The OPA388 in a High-CMRR, Instrumentation
Amplifier Application
The OPA388 Allows Precision, Low-Error
Measurements


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