Datasheet

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OPA211

OPA2211

OPA211

A2211

OPA211

FEATURES DESCRIPTION

APPLICATIONS

INPUTVOLTAGENOISEDENSITYvsFREQUENCY

VoltageNoiseDensity(nV/ )

ÖHz

0.1

100

Frequency(Hz)

100k101

100 1k 10k

OPA211

OPA2211

www.ti.com

...................................................................................................................................................... SBOS377G – OCTOBER 2006 – REVISED MAY 2009

1.1nV/ √ Hz Noise, Low Power, Precision

Operational Amplifier in Small DFN-8 Package

• LOW VOLTAGE NOISE: 1.1nV/ √ Hz at 1kHz

The OPA211 series of precision operational

amplifiers achieves very low 1.1nV/ √ Hz noise density

• INPUT VOLTAGE NOISE:

with a supply current of only 3.6mA. This series also

80nV

(0.1Hz to 10Hz)

offers rail-to-rail output swing, which maximizes

• THD+N: – 136dB (G = 1, f = 1kHz)

dynamic range.

• OFFSET VOLTAGE: 125 µ V (max)

The extremely low voltage and low current noise,

• OFFSET VOLTAGE DRIFT: 0.35 µ V/ ° C (typ)

high speed, and wide output swing of the OPA211

• LOW SUPPLY CURRENT: 3.6mA/Ch (typ)

series make these devices an excellent choice as a

loop filter amplifier in PLL applications.

• UNITY-GAIN STABLE

• GAIN BANDWIDTH PRODUCT:

In precision data acquisition applications, the

OPA211 series of op amps provides 700ns settling

80MHz (G = 100)

time to 16-bit accuracy throughout 10V output swings.

45MHz (G = 1)

This ac performance, combined with only 125 µ V of

• SLEW RATE: 27V/ µ s

offset and 0.35 µ V/ ° C of drift over temperature, makes

• 16-BIT SETTLING: 700ns

the OPA211 ideal for driving high-precision 16-bit

analog-to-digital converters (ADCs) or buffering the

• WIDE SUPPLY RANGE:

output of high-resolution digital-to-analog converters

± 2.25V to ± 18V, +4.5V to +36V

(DACs).

• RAIL-TO-RAIL OUTPUT

The OPA211 series is specified over a wide

• OUTPUT CURRENT: 30mA

dual-power supply range of ± 2.25V to ± 18V, or for

• DFN-8 (3mm × 3mm), MSOP-8, AND SO-8

single-supply operation from +4.5V to +36V.

The OPA211 is available in the small DFN-8 (3mm ×

3mm), MSOP-8, and SO-8 packages. A dual version,

• PLL LOOP FILTER

the OPA2211, is available in the DFN-8 (3mm ×

• LOW-NOISE, LOW-POWER SIGNAL

3mm) or an SO-8 PowerPAD™ package. This series

PROCESSING

of op amps is specified from T

= – 40 ° C to +125 ° C.

• 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

• MEDICAL

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.

Summary of content (37 pages)

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OPA211 OPA2211 OP A2 11 OP A2 11 OP A2 11 OPA 2211 OP A2 211 www.ti.com...................................................................................................................................................... SBOS377G – OCTOBER 2006 – REVISED MAY 2009 1.1nV/√Hz Noise, Low Power, Precision Operational Amplifier in Small DFN-8 Package • LOW VOLTAGE NOISE: 1.1nV/√Hz at 1kHz • INPUT VOLTAGE NOISE: 80nVPP (0.
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OPA211 OPA2211 SBOS377G – OCTOBER 2006 – REVISED MAY 2009...................................................................................................................................................... www.ti.com This integrated circuit can be damaged by ESD. Texas Instruments recommends that all integrated circuits be handled with appropriate precautions. Failure to observe proper handling and installation procedures can cause damage.
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OPA211 OPA2211 www.ti.com......................................................................................................................................................
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OPA211 OPA2211 SBOS377G – OCTOBER 2006 – REVISED MAY 2009...................................................................................................................................................... www.ti.com ELECTRICAL CHARACTERISTICS: VS = ±2.25V to ±18V BOLDFACE limits apply over the specified temperature range, TA = –40°C to +125°C. At TA = +25°C, RL = 10kΩ connected to midsupply, VCM = VOUT = midsupply, unless otherwise noted.
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OPA211 OPA2211 www.ti.com...................................................................................................................................................... SBOS377G – OCTOBER 2006 – REVISED MAY 2009 ELECTRICAL CHARACTERISTICS: VS = ±2.25V to ±18V (continued) BOLDFACE limits apply over the specified temperature range, TA = –40°C to +125°C. At TA = +25°C, RL = 10kΩ connected to midsupply, VCM = VOUT = midsupply, unless otherwise noted.
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OPA211 OPA2211 SBOS377G – OCTOBER 2006 – REVISED MAY 2009...................................................................................................................................................... www.ti.com TYPICAL CHARACTERISTICS At TA = +25°C, VS = ±18V, and RL = 10kΩ, unless otherwise noted. INPUT VOLTAGE NOISE DENSITY vs FREQUENCY INPUT CURRENT NOISE DENSITY vs FREQUENCY 100 Current Noise Density (pA/ÖHz) Voltage Noise Density (nV/ÖHz) 100 10 10 1 1 0.1 1 10 100 1k 10k 1 0.
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OPA211 OPA2211 www.ti.com...................................................................................................................................................... SBOS377G – OCTOBER 2006 – REVISED MAY 2009 TYPICAL CHARACTERISTICS (continued) At TA = +25°C, VS = ±18V, and RL = 10kΩ, unless otherwise noted. POWER-SUPPLY REJECTION RATIO vs FREQUENCY (Referred to Input) 0.
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OPA211 OPA2211 SBOS377G – OCTOBER 2006 – REVISED MAY 2009...................................................................................................................................................... www.ti.com TYPICAL CHARACTERISTICS (continued) At TA = +25°C, VS = ±18V, and RL = 10kΩ, unless otherwise noted. OFFSET VOLTAGE DRIFT PRODUCTION DISTRIBUTION 112.5 125.0 87.5 100.0 62.5 75.0 37.5 50.0 25.0 0 12.5 -12.5 -37.5 -25.0 -62.5 -50.0 -87.5 -75.0 -112.5 -100.0 -125.
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OPA211 OPA2211 www.ti.com...................................................................................................................................................... SBOS377G – OCTOBER 2006 – REVISED MAY 2009 TYPICAL CHARACTERISTICS (continued) At TA = +25°C, VS = ±18V, and RL = 10kΩ, unless otherwise noted.
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OPA211 OPA2211 SBOS377G – OCTOBER 2006 – REVISED MAY 2009...................................................................................................................................................... www.ti.com TYPICAL CHARACTERISTICS (continued) At TA = +25°C, VS = ±18V, and RL = 10kΩ, unless otherwise noted. 60 50 40 30 20 10 0 -10 -20 -30 -40 -50 SMALL-SIGNAL STEP RESPONSE (100mV) G = -1 CL = 10pF Sourcing CF 5.
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OPA211 OPA2211 www.ti.com...................................................................................................................................................... SBOS377G – OCTOBER 2006 – REVISED MAY 2009 TYPICAL CHARACTERISTICS (continued) At TA = +25°C, VS = ±18V, and RL = 10kΩ, unless otherwise noted.
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OPA211 OPA2211 SBOS377G – OCTOBER 2006 – REVISED MAY 2009...................................................................................................................................................... www.ti.com TYPICAL CHARACTERISTICS (continued) At TA = +25°C, VS = ±18V, and RL = 10kΩ, unless otherwise noted. NEGATIVE OVERLOAD RECOVERY POSITIVE OVERLOAD RECOVERY G = -10 VIN G = -10 10kW VOUT 1kW 0V VOUT OPA211 VIN 5V/div 5V/div 10kW 1kW OPA211 VOUT VIN 0V VOUT VIN Time (0.
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OPA211 OPA2211 www.ti.com...................................................................................................................................................... SBOS377G – OCTOBER 2006 – REVISED MAY 2009 TYPICAL CHARACTERISTICS (continued) At TA = +25°C, VS = ±18V, and RL = 10kΩ, unless otherwise noted. TURN-ON/TURN-OFF TRANSIENT 20 1.6 15 1.2 10 0.8 5 0.4 0 -5 0 Output -0.4 -10 -0.8 -15 Output Voltage (V) Shutdown Pin Voltage (V) Shutdown Signal -1.2 VS = ±15V -20 -1.
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OPA211 OPA2211 SBOS377G – OCTOBER 2006 – REVISED MAY 2009...................................................................................................................................................... www.ti.com APPLICATION INFORMATION The OPA211 and OPA2211 are unity-gain stable, precision op amps with very low noise. Applications with noisy or high-impedance power supplies require decoupling capacitors close to the device pins. In most cases, 0.1µF capacitors are adequate.
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OPA211 OPA2211 www.ti.com...................................................................................................................................................... SBOS377G – OCTOBER 2006 – REVISED MAY 2009 INPUT PROTECTION NOISE PERFORMANCE The input terminals of the OPA211 are protected from excessive differential voltage with back-to-back diodes, as shown in Figure 45. In most circuit applications, the input protection circuitry has no consequence.
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OPA211 OPA2211 SBOS377G – OCTOBER 2006 – REVISED MAY 2009...................................................................................................................................................... www.ti.com Figure 46 depicts total noise for varying source impedances with the op amp in a unity-gain configuration (no feedback resistor network, and therefore no additional noise contributions).
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OPA211 OPA2211 www.ti.com...................................................................................................................................................... SBOS377G – OCTOBER 2006 – REVISED MAY 2009 TOTAL HARMONIC DISTORTION MEASUREMENTS Audio Precision System Two distortion/noise analyzer, which greatly simplifies such repetitive measurements. The measurement technique can, however, be performed with manual distortion measurement instruments.
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OPA211 OPA2211 SBOS377G – OCTOBER 2006 – REVISED MAY 2009...................................................................................................................................................... www.ti.com RF +V +VS OPA211 RI ESD CurrentSteering Diodes -In +In Op-Amp Core Edge-Triggered ESD Absorption Circuit ID VIN Out RL (1) -V -VS (1) VIN = +VS + 500mV. Figure 49.
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OPA211 OPA2211 www.ti.com...................................................................................................................................................... SBOS377G – OCTOBER 2006 – REVISED MAY 2009 most likely will not operate normally. If the supplies are low impedance, then the current through the steering diodes can become quite high. The current level depends on the ability of the input source to deliver current, and any resistance in the input path.
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OPA211 OPA2211 SBOS377G – OCTOBER 2006 – REVISED MAY 2009...................................................................................................................................................... www.ti.com GENERAL POWERPAD DESIGN CONSIDERATIONS The OPA2211 is available in a thermally-enhanced SO-8 PowerPAD package. This package is constructed using a downset leadframe upon which the die is mounted, as Figure 50(a) and Figure 50(b) illustrate.
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OPA211 OPA2211 www.ti.com......................................................................................................................................................
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OPA211 OPA2211 SBOS377G – OCTOBER 2006 – REVISED MAY 2009...................................................................................................................................................... www.ti.com REVISION HISTORY NOTE: Page numbers for previous revisions may differ from page numbers in the current version. Changes from Revision F (November, 2008) to Revision G ..........................................................................................
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PACKAGE OPTION ADDENDUM www.ti.
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PACKAGE OPTION ADDENDUM www.ti.
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PACKAGE OPTION ADDENDUM www.ti.com 18-Oct-2013 (5) Multiple Device Markings will be inside parentheses. Only one Device Marking contained in parentheses and separated by a "~" will appear on a device. If a line is indented then it is a continuation of the previous line and the two combined represent the entire Device Marking for that device. (6) Lead/Ball Finish - Orderable Devices may have multiple material finish options. Finish options are separated by a vertical ruled line.
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PACKAGE MATERIALS INFORMATION www.ti.com 5-Jun-2013 TAPE AND REEL INFORMATION *All dimensions are nominal Device Package Package Pins Type Drawing OPA211AIDGKR VSSOP DGK 8 OPA211AIDGKT VSSOP DGK OPA211AIDR SOIC D OPA211AIDRGR SON OPA211AIDRGT SPQ Reel Reel A0 Diameter Width (mm) (mm) W1 (mm) B0 (mm) K0 (mm) P1 (mm) W Pin1 (mm) Quadrant 2500 330.0 12.4 5.3 3.4 1.4 8.0 12.0 Q1 8 250 180.0 12.4 5.3 3.4 1.4 8.0 12.0 Q1 8 2500 330.0 12.4 6.4 5.2 2.1 8.0 12.
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PACKAGE MATERIALS INFORMATION www.ti.com 5-Jun-2013 *All dimensions are nominal Device Package Type Package Drawing Pins SPQ Length (mm) Width (mm) Height (mm) OPA211AIDGKR VSSOP DGK 8 2500 367.0 367.0 35.0 OPA211AIDGKT VSSOP DGK 8 250 210.0 185.0 35.0 OPA211AIDR SOIC D 8 2500 367.0 367.0 35.0 OPA211AIDRGR SON DRG 8 1000 367.0 367.0 35.0 OPA211AIDRGT SON DRG 8 250 210.0 185.0 35.0 OPA211IDGKR VSSOP DGK 8 2500 367.0 367.0 35.
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IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, enhancements, improvements and other changes to its semiconductor products and services per JESD46, latest issue, and to discontinue any product or service per JESD48, latest issue. Buyers should obtain the latest relevant information before placing orders and should verify that such information is current and complete.