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OPAx348 Datasheet(PDF) 1 Page - Texas Instruments

Part # OPAx348
Description  1.8V, 2.9mA, 90kHz, Rail-to-Rail I/O OPERATIONAL AMPLIFIERS
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

OPAx348 Datasheet(HTML) 1 Page - Texas Instruments

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OP
A379
OP
A2379
OP
A4379
1
FEATURES
DESCRIPTION
APPLICATIONS
V
S
V
S
C
1
C
2
R
B
REF
C
S
W
R
L
R
F
R
1
R
1
1/2
OPA2379
V
OUT
1/2
OPA2379
OPA379
OPA2379
OPA4379
www.ti.com ................................................................................................................................................... SBOS347D – NOVEMBER 2005 – REVISED MAY 2008
1.8V, 2.9
µA, 90kHz, Rail-to-Rail I/O
OPERATIONAL AMPLIFIERS
2
• LOW NOISE: 2.8µV
PP (0.1Hz - 10Hz)
The OPA379 family of micropower, low-voltage
• microPower: 5.5µA (max)
operational amplifiers is designed for battery-powered
• LOW OFFSET VOLTAGE: 1.5mV (max)
applications. These amplifiers operate on a supply
• DC PRECISION:
voltage as low as 1.8V (±0.9V). High-performance,
single-supply
operation
with
rail-to-rail
capability
CMRR: 100dB
(10
µV max) makes the OPA379 family useful for a
PSRR: 2
µV/V
wide range of applications.
AOL: 120dB
In addition to microSize packages, the OPA379 family
• WIDE SUPPLY VOLTAGE RANGE: 1.8V to 5.5V
of op amps features impressive bandwidth (90kHz),
• microSize PACKAGES:
low bias current (5pA), and low noise (80nV/
√Hz)
relative to the very low quiescent current (5.5
µA
SC70-5, SOT23-5, SOT23-8, SO-8, TSSOP-14
max).
The
OPA379
(single)
is
available
in
SC70-5,
SOT23-5, and SO-8 packages. The OPA2379 (dual)
• BATTERY-POWERED INSTRUMENTS
comes
in
SOT23-8
and
SO-8
packages.
The
• PORTABLE DEVICES
OPA4379 (quad) is offered in a TSSOP-14 package.
• MEDICAL INSTRUMENTS
All versions are specified from –40
°C to +125°C.
• HANDHELD TEST EQUIPMENT
xxx
xxx
xxx
xxx
xxx
xxx
xxx
Table 1. OPAx379 RELATED PRODUCTS
FEATURES
PRODUCT
1
µA, 70kHz, 2mV V
OS, 1.8V to 5.5V Supply
OPAx349
1
µA, 5.5kHz, 390µV V
OS, 2.5V to 16V Supply
TLV240x
1
µA, 5.5kHz, 0.6mV V
OS, 2.5V to 12V Supply
TLV224x
7
µA, 160kHz, 0.5mV V
OS, 2.7V to 16V Supply
TLV27Lx
7
µA, 160kHz, 0.5mV V
OS, 2.7V to 16V Supply
TLV238x
20
µA, 350kHz, 2mV V
OS, 2.3V to 5.5V Supply
OPAx347
20
µA, 500kHz, 550µV V
OS, 1.8V to 3.6V Supply
TLV276x
45
µA, 1MHz, 1mV V
OS, 2.1V to 5.5V Supply
OPAx348
Figure 1. OPA2379 in Portable Gas Meter
Application
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
2
All trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Copyright © 2005–2008, 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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