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OPA2388IDGKR Datasheet(PDF) 1 Page - Texas Instruments

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Part # OPA2388IDGKR
Description  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
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0
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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
+5V
R4
100 k
REF5025
+5V
+
±
OPA388
GND
+5V
R2
10 k
GND
VOUT
R4
100 k
+5V
G = 5 +
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
SBOS777A – DECEMBER 2016 – REVISED JULY 2018
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 ideal
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 superior 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 extended industrial
temperature range (–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)
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)(2)
8.65 mm x 3.90 mm
TSSOP (14)(2)
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) Package is preview only.
OPA388 in a High-CMRR, Instrumentation
Amplifier Application
OPA388 Allows Precision, Low-Error
Measurements


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