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參數(shù)資料
| 型號(hào)： | OPA2211I |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 1.1nV/Noise, Low Power, Precision Operational Amplifier in Tiny DFN-8 Package |
| 中文描述： | 1.1nV/Noise，低功耗，精密運(yùn)算放大器纖巧DFN - 8封裝 |
| 文件頁數(shù)： | 1/9頁 |
| 文件大?。?/td> | 320K |
| 代理商： | OPA2211I |
OPA211
OPA2211
OPA211
OPA2211
P
FEATURES
LOW-VOLTAGE NOISE: 1.1nV/
√
Hz at 1kHz
100nV
PP
INPUT VOLTAGE NOISE, 0.1Hz–10Hz
LOW OFFSET VOLTAGE: 100
μ
V (max)
LOW OFFSET VOLTAGE DRIFT: 0.2
μ
V/
°
C (typ)
LOW SUPPLY CURRENT: 3.6mA/Ch
UNITY GAIN STABLE
GAIN BANDWIDTH PRODUCT:
80MHz (G = 100)
SLEW RATE: 27V/
μ
s
WIDE SUPPLY RANGE:
±
2.25V to
±
18V, +4.5V to +36V
RAIL-TO-RAIL OUTPUT
OUTPUT CURRENT: 30mA
SHUTDOWN: 20
μ
A (max)
AVAILABLE IN TINY DFN-8 (3x3mm), MSOP-8,
SO-8
DESCRIPTION
The OPA211 series achieves very low 1.1nV/
√
Hz
noise density with a supply current of only 3.6mA. It
also offers rail-to-rail output swing, which helps to
maximize dynamic range.
APPLICATIONS
PLL LOOP FILTER
LOW-NOISE, LOW-POWER SIGNAL
PROCESSING
HIGH-PERFORMANCE ADC DRIVERS
HIGH-PERFORMANCE DAC OUTPUT
AMPLIFIER
ACTIVE FILTERS
LOW-NOISE INSTRUMENTATION AMPS
ULTRASOUND AMPLIFIERS
PROFESSIONAL AUDIO PREAMPLIFIERS
LOW-NOISE FREQUENCY SYNTHESIZERS
INFRARED DETECTOR AMPLIFIERS
HYDROPHONE AMPLIFIERS
MEDICAL
1
2
3
4
8
7
6
5
V+
OUT B
-
IN B
+IN B
OUT A
-
IN A
+IN A
V
-
OPA2211
MSOP-8
A
B
1
2
3
4
8
7
6
5
Enable
V+
OUT
NC
NC
-
IN
+IN
V
-
OPA211
MSOP-8
OPA211
OPA2211
SBOS377A–OCTOBER 2006–REVISED FEBRUARY 2007
1.1nV/
√
Hz Noise, Low Power, Precision
Operational Amplifier in Tiny DFN-8 Package
The OPA211 series’ extremely low voltage and
current noise, high speed and wide output swing
make it an excellent choice as a loop filter amplifier
in PLL applications.
In
OPA211 series of op amps provide <1
μ
s settling
time to 16-bit accuracy even for 10V output swings.
This ac performance, combined with only 100
μ
V of
offset and low drift over temperature, make the
OPA211
highly
suitable
high-precision analog-to-digital converters (ADCs) or
buffering
the
outputs
digital-to-analog converters (DACs).
precision
data
acquisition
applications,
the
for
driving
fast,
of
high-resolution
The OPA211 is
dual-power supply range of
±
2.25V to
±
18V, or
single-supply operation from +4.5V to +36V.
The OPA211 is available in the tiny DFN-8 (3
×
3mm)
and MSOP-8 and SO-8 packages. A dual version,
the OPA2211, is available in the DFN-8 (3
×
3mm) or
an MSOP-8 package. This series of op amps is
specified from –40
°
C to +125
°
C.
specified
over
the
very
wide
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.
All trademarks are the property of their respective owners.
PRODUCT
formative or PREVIEW
other specifications are design goals. Texas Instruments reserves
the right to change or discontinue these products without notice.
information
concerns
products
in
the
Copyright 2006–2007, Texas Instruments Incorporated
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