OPA211-EP

更新时间： 2024-11-19 12:21:43

品牌	Logo	应用领域
德州仪器 - TI		运算放大器
页数	文件大小	规格书
23页	592K
描述
1.1nV/âHz NOISE, LOW POWER, PRECISION OPERATIONAL AMPLIFIER

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OPA211-EP 数据手册

OPA211-EP

www.ti.com

SBOS638 –JUNE 2012

1.1nV/√Hz NOISE, LOW POWER, PRECISION

OPERATIONAL AMPLIFIER

Check for Samples: OPA211-EP

FEATURES

•

LOW VOLTAGE NOISE: 1.1nV/√Hz at 1kHz

APPLICATIONS

•

INPUT VOLTAGE NOISE:

80nV_PP(0.1Hz to 10Hz)

•

PLL LOOP FILTER

LOW-NOISE, LOW-POWER SIGNAL

PROCESSING

•

THD+N: –136dB (G = 1, f = 1kHz)

OFFSET VOLTAGE: 180μV (max)

OFFSET VOLTAGE DRIFT: 0.35μV/°C (typ)

LOW SUPPLY CURRENT: 3.6mA/Ch (typ)

UNITY-GAIN STABLE

•

16-BIT ADC DRIVERS

DAC OUTPUT AMPLIFIERS

ACTIVE FILTERS

LOW-NOISE INSTRUMENTATION AMPS

ULTRASOUND AMPLIFIERS

PROFESSIONAL AUDIO PREAMPLIFIERS

LOW-NOISE FREQUENCY SYNTHESIZERS

INFRARED DETECTOR AMPLIFIERS

HYDROPHONE AMPLIFIERS

GEOPHONE AMPLIFIERS

GAIN BANDWIDTH PRODUCT:

80MHz (G = 100)

45MHz (G = 1)

•

SLEW RATE: 27V/μs

16-BIT SETTLING: 700ns

WIDE SUPPLY RANGE:

±2.25V to ±18V, +4.5V to +36V

MEDICAL

•

RAIL-TO-RAIL OUTPUT

OUTPUT CURRENT: 30mA

SUPPORTS DEFENSE, AEROSPACE,

AND MEDICAL APPLICATIONS

•

CONTROLLED BASELINE

ONE ASSEMBLY/TEST SITE

ONE FABRICATION SITE

AVAILABLE IN MILITARY (–55°C/125°C)

(1)

TEMPERATURE RANGE

•

EXTENDED PRODUCT LIFE CYCLE

EXTENDED PRODUCT-CHANGE

NOTIFICATION

•

PRODUCT TRACEABILITY

(1) Additional temperature ranges available - contact factory

DESCRIPTION

The OPA211 series of precision operational 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.

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 precision data acquisition applications, the OPA211 series of op amps provides 700ns settling time to 16-bit

accuracy throughout 10V output swings. This ac performance, combined with only 125μV of offset and

0.35μV/°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).

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.

UNLESS OTHERWISE NOTED this document contains

PRODUCTION DATA information current as of publication date.

Products conform to specifications per the terms of Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...23

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