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OPA2277UA 数据手册 - TI（德州仪器）
制造商:
TI（德州仪器）
分类:
运算放大器
封装:
SOIC-8
描述:
TEXAS INSTRUMENTS OPA2277UA 运算放大器, 双路, 1 MHz, 2个放大器, 0.8 V/µs, ± 2V 至 ± 18V, ± 5V 至 ± 15V, SOIC, 8 引脚
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OPA2277UA数据手册
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1s/div
50nV/div
Noise signal is bandwidth limited to
lie between 0.1Hz and 10Hz.
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OPA277
,
OPA2277
,
OPA4277
SBOS079B –MARCH 1999–REVISED JUNE 2015
OPAx277 High Precision Operational Amplifiers
OPAx277 series operational amplifiers operate from
1 Features
±2-V to ±18-V supplies with excellent performance.
1
• Ultralow Offset Voltage: 10 μV
Unlike most operational amplifiers which are specified
• Ultralow Drift: ±0.1 μV/°C
at only one supply voltage, the OPAx277 series is
specified for real-world applications; a single limit
• High Open-Loop Gain: 134 dB
applies over the ±5-V to ±15-V supply range. High
• High Common-Mode Rejection: 140 dB
performance is maintained as the amplifiers swing to
• High Power Supply Rejection: 130 dB
their specified limits. Because the initial offset voltage
(±20 μV maximum) is so low, user adjustment is
• Low Bias Current: 1-nA maximum
usually not required. However, the single version
• Wide Supply Range: ±2 V to ±18 V
(OPA277) provides external trim pins for special
• Low Quiescent Current: 800 μA/amplifier
applications.
• Single, Dual, and Quad Versions
OPA277 operational amplifiers are easy to use and
• Replaces OP-07, OP-77, and OP-177
free from phase inversion and the overload problems
found in some other operational amplifiers. They are
2 Applications
stable in unity gain and provide excellent dynamic
behavior over a wide range of load conditions. Dual
• Transducer Amplifiers
and quad versions feature completely independent
• Bridge Amplifiers
circuitry for lowest crosstalk and freedom from
• Temperature Measurements
interaction, even when overdriven or overloaded.
• Strain Gage Amplifiers
Device Information
(1)
• Precision Integrators
PART NUMBER PACKAGE BODY SIZE (NOM)
• Battery-Powered Instruments
VSON (8) 4.00 mm × 4.00 mm
• Test Equipment
OPA277
SOIC (8) 3.91 mm × 4.90 mm
OPA2277
PDIP (8) 6.35 mm × 9.81 mm
3 Description
SOIC (14) 3.91 mm × 8.65 mm
The OPAx277 series precision operational amplifiers
OPA4277
PDIP (14) 6.35 mm × 19.30 mm
replace the industry standard OP-177. They offer
improved noise, wider output voltage swing, and are
(1) For all available packages, see the orderable addendum at
twice as fast with half the quiescent current. Features
the end of the data sheet.
include ultralow offset voltage and drift, low bias
current, high common-mode rejection, and high
0.1 Hz to 10 Hz Noise
power supply rejection. Single, dual, and quad
versions have identical specifications, for maximum
design flexibility.
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.
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