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參數(shù)資料
| 型號： | OPA211_08 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 1.1nV/☆Hz Noise, Low Power, Precision Operational Amplifier in Small DFN-8 Package |
| 中文描述： | 1.1nV /☆赫茲噪聲，低功耗，高精度運算放大器，小DFN - 8封裝 |
| 文件頁數(shù)： | 1/17頁 |
| 文件大小： | 407K |
| 代理商： | OPA211_08 |
OPA211
OPA2211
OPA211
OPA2211
OPA211
1
FEATURES
LOW VOLTAGE NOISE: 1.1nV/
√
Hz at 1kHz
INPUT VOLTAGE NOISE:
80nV
PP
(0.1Hz to 10Hz)
THD+N: –136dB (G = 1, f = 1kHz)
OFFSET VOLTAGE: 125
μ
V (max)
OFFSET VOLTAGE DRIFT: 0.35
μ
V/
°
C (typ)
LOW SUPPLY CURRENT: 3.6mA/Ch (typ)
UNITY GAIN STABLE
GAIN BANDWIDTH PRODUCT:
80MHz (G = 100)
45MHz (G = 1)
SLEW RATE: 27V/
μ
s
16-BIT SETTLING: 700ns
WIDE SUPPLY RANGE:
±2.25V to ±18V, +4.5V to +36V
RAIL-TO-RAIL OUTPUT
OUTPUT CURRENT: 30mA
DFN-8 (3
×
3mm), MSOP-8, AND SO-8
DESCRIPTION
The
OPA211
amplifiers achieves very low 1.1nV/
√
Hz noise density
with a supply current of only 3.6mA. This series also
offers rail-to-rail output swing, which maximizes
dynamic range.
APPLICATIONS
PLL LOOP FILTER
LOW-NOISE, LOW-POWER SIGNAL
PROCESSING
16-BIT ADC DRIVERS
DAC OUTPUT AMPLIFIER
ACTIVE FILTERS
LOW-NOISE INSTRUMENTATION AMPS
ULTRASOUND AMPLIFIERS
PROFESSIONAL AUDIO PREAMPLIFIERS
LOW-NOISE FREQUENCY SYNTHESIZERS
INFRARED DETECTOR AMPLIFIERS
HYDROPHONE AMPLIFIERS
GEOPHONE AMPLIFIERS
MEDICAL
INPUT VOLTAGE NOISE DENSITY vs FREQUENCY
V
)
H
0.1
100
1
Frequency (Hz)
100k
10
1
10
100
1k
10k
OPA211
OPA2211
www.ti.c om
SBOS377D–OCTOBER 2006–REVISED FEBRUARY 2008
1.1nV/
√
Hz Noise, Low Power, Precision
Operational Amplifier in Small DFN-8 Package
23
series
of
precision
operational
The extremely low voltage and low current noise,
high speed, and wide output swing of the OPA211
series make these devices an excellent choice as a
loop filter amplifier in PLL applications.
In
OPA211 series of op amps provides 700ns settling
time to 16-bit accuracy throughout 10V output swings.
This ac performance, combined with only 125
μ
V of
offset and 0.35
μ
V/
°
C of drift over temperature, makes
the OPA211 ideal for driving high-precision 16-bit
analog-to-digital converters (ADCs) or buffering the
output of high-resolution digital-to-analog converters
(DACs).
precision
data
acquisition
applications,
the
The
dual-power supply range of ±2.25V to ±18V, or
single-supply operation from +4.5V to +36V.
OPA211
series
is
specified
over
a
wide
The
(3
×
3mm), MSOP-8, and SO-8 packages. A dual
version, the OPA2211, is available in the DFN-8
(3
×
3mm) or an SO-8 PowerPAD package. This
series of op amps is specified from T
A
= –40
°
C to
+125
°
C.
OPA211
is
available
in
the
small
DFN-8
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
PowerPAD is a trademark of Texas Instruments.
3
All other trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright 2006–2008, Texas Instruments Incorporated
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| OPA2111 | 制造商:BB 制造商全稱:BB 功能描述:Dual Low Noise Precision Difet OPERATIONAL AMPLIFIER |
| OPA2111AM | 功能描述:運算放大器 - 運放 Dual Lo-Noise Difet Op Amp RoHS:否 制造商:STMicroelectronics 通道數(shù)量:4 共模抑制比（最小值）:63 dB 輸入補償電壓:1 mV 輸入偏流（最大值）:10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-16 轉(zhuǎn)換速度:0.89 V/us 關(guān)閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel |
| OPA2111AM | 制造商:Texas Instruments 功能描述:SEMICONDUCTOR ((NW)) |
| OPA2111BM | 功能描述:運算放大器 - 運放 Dual Lo-Noise Difet Op Amp RoHS:否 制造商:STMicroelectronics 通道數(shù)量:4 共模抑制比（最小值）:63 dB 輸入補償電壓:1 mV 輸入偏流（最大值）:10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-16 轉(zhuǎn)換速度:0.89 V/us 關(guān)閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel |
| OPA2111KM | 功能描述:運算放大器 - 運放 Dual Lo-Noise Difet Op Amp RoHS:否 制造商:STMicroelectronics 通道數(shù)量:4 共模抑制比（最小值）:63 dB 輸入補償電壓:1 mV 輸入偏流（最大值）:10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-16 轉(zhuǎn)換速度:0.89 V/us 關(guān)閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel |
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