OPA 2341 OPA341 OPA2341 OPA 341 SBOS202A – AUGUST 2001 SINGLE-SUPPLY, RAIL-TO-RAIL OPERATIONAL AMPLIFIER WITH SHUTDOWN microAmplifier ™ Series FEATURES APPLICATIONS ● ● ● ● ● ● ● ● ● ● ● ● RAIL-TO-RAIL INPUT AND OUTPUT SWING MicroSIZE PACKAGES BANDWIDTH: 5.5MHz SLEW RATE: 6V/µs QUIESCENT CURRENT: 750µA/Chan POWER SHUTDOWN MODE DESCRIPTION The OPA341 series rail-to-rail CMOS operational amplifiers are designed for low-cost, miniature applications. They are optimized for low-voltage, single-supply operation. Rail-to-rail input and output and high-speed operation make them ideal for driving sampling Analog-to-Digital (A/D) converters. The power-saving shutdown feature makes the OPA341 ideal for portable low-power applications. The OPA341 series is also well suited for general-purpose and audio applications as well as providing I/V conversion at the output of Digital-to-Analog (D/A) converters. Single and dual versions have identical specifications for design flexibility. OPA341 SENSOR BIASING SIGNAL CONDITIONING DATA ACQUISITION PROCESS CONTROL ACTIVE FILTERS TEST EQUIPMENT The OPA341 series operate on a single supply as low as 2.5V, and input common-mode voltage range extends 300mV beyond the supply rails. Output voltage swings to within 1mV of the supply rails with a 100kΩ load. The OPA341 series offers excellent dynamic response (BW = 5.5MHz, SR = 6V/µs) with a quiescent current of only 750µA. The dual design features completely independent circuitry for lowest crosstalk and freedom from interaction. The single (OPA341) packages are the tiny SOT23-6 surface mount and SO-8 surface mount. The dual (OPA2341) comes in the miniature MSOP-10 surface mount. All are specified from –55°C to +125°C and operate from –55°C to +150°C. The OPA343 provides similar performance without shutdown capability. OPA2341 OPA341 Out 1 6 V+ NC 1 8 SD Out A 1 10 V+ V– 2 5 SD –In 2 7 V+ –In A 2 9 Out B +In 3 4 –In +In 3 6 Out +In A 3 8 –In B V– 4 5 NC V– 4 7 +In B SD A 5 6 SD B SOT23-6 (N) SO-8 (U) MSOP-10 (DGS) 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. Copyright © 2001, Texas Instruments Incorporated PRODUCTION DATA information is 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. www.ti.com ABSOLUTE MAXIMUM RATINGS(1) ELECTROSTATIC DISCHARGE SENSITIVITY Supply Voltage, V+ to V– ................................................................... 6.0V Input Voltage Range(2) ................................... (V–) – 0.5V to (V+) + 0.5V Input Terminal(3) ............................................................................... 10mA Output Short Circuit(3) .............................................................. Continuous Operating Temperature .................................................. –55°C to +150°C Storage Temperature ..................................................... –65°C to +150°C Junction Temperature ...................................................................... 150°C Lead Temperature (soldering, 10s) ................................................. 300°C 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. NOTES: (1) Stresses above these ratings may cause permanent damage. Exposure to absolute maximum conditions for extended periods may degrade device reliability. (2) Input terminals are diode-clamped to the power supply rails. Input signals that can swing more than 0.5V beyond the supply rails should be current-limited to 10mA or less. (3) Short-circuit to ground, one amplifier per package. ESD damage can range from subtle performance degradation to complete device failure. Precision integrated circuits may be more susceptible to damage because very small parametric changes could cause the device not to meet its published specifications. PACKAGE/ORDERING INFORMATION PRODUCT PACKAGE PACKAGE DRAWING NUMBER OPA341NA SOT23-6 332 " " SO-8 182 OPA341UA " — — –55°C to +125°C " " " MSOP-10 4073272 DGS –55°C to +125°C C41 " " " " " " OPA341UA " OPA2341DGSA " SPECIFIED TEMPERATURE RANGE PACKAGE MARKING ORDERING NUMBER(1) TRANSPORT MEDIA — — –55°C to +125°C B41 " " OPA341NA/250 OPA341NA/3K Tape and Reel Tape and Reel OPA341UA OPA341UA/2K5 Rails Tape and Reel OPA2341DGSA/250 OPA2341DGSA/2K5 Tape and Reel Tape and Reel PACKAGE DESIGNATOR NOTE: (1) Models with a slash (/) are available only in Tape and Reel in the quantities indicated (e.g., /3K indicates 3000 devices per reel). Ordering 3000 pieces of “OPA341NA/3K” will get a single 3000-piece Tape and Reel.. 2 OPA341, 2341 SBOS202A ELECTRICAL CHARACTERISTICS: VS = 2.7V to 5.5V Boldface limits apply over the specified temperature range, TA = –55°C to +125°C. At TA = +25°C, RL = 10kΩ connected to VS / 2 and VOUT = VS / 2, VENABLE = VDD, unless otherwise noted. OPA341NA, UA OPA2341DGSA PARAMETER OFFSET VOLTAGE Input Offset Voltage Drift vs Power Supply Over Temperature Channel Separation, dc CONDITION VOS dVOS/dT PSRR VS = 5V VS = 2.7V to 5.5V, VCM = 0V VS = 2.7V to 5.5V, VCM = 0V NOISE Input Voltage Noise, f = 0.1Hz to 50kHz Input Voltage Noise Density, f = 1kHz Input Current Noise Density, f = 1kHz mV µV/°C µV/V µV/V µV/V en in 8 25 3 VCM CMRR AOL 200 200 VS = 5V, (V–) – 0.3V < VCM < (V+) – 1.8V VS = 5V, (V–) – 0.1V < VCM < (V+) – 1.8V VS = 5V, (V–) – 0.3V < VCM < (V+) + 0.3V VS = 5V, (V–) – 0.1V < VCM < (V+) + 0.1V VS = 2.7V, (V–) – 0.3V < VCM < (V+) + 0.3V VS = 2.7V, (V–) – 0.1V < VCM < (V+) + 0.1V (V–) – 0.3 (V–) – 0.1 76 74 60 58 57 55 RL = 100kΩ, (V–) + 5mV < VO < (V+) – 5mV RL = 100kΩ, (V–) + 5mV < VO < (V+) – 5mV RL = 2kΩ, (V–) + 200mV < VO < (V+) – 200mV RL = 2kΩ, (V–) + 200mV < VO < (V+) – 200mV 100 100 96 94 ±10 2000 ±10 pA pA pA µVrms nV/√Hz fA/√Hz (V+) + 0.3 (V+) + 0.1 90 74 70 V V dB dB dB dB dB dB 1013 || 3 1013 || 6 Ω || pF Ω || pF 120 dB dB dB dB 110 VS = 5V GBW SR tS THD+N OUTPUT Voltage Output Swing from Rail Over Temperature 5.5 6 1 1.6 0.2 0.0007 G = +1, CL = 100pF VS = 5V, 2V Step, G = +1, CL = 100pF VS = 5V, 2V Step, G = +1, CL = 100pF VIN • Gain ≤ VS VS = 5V, VO = 3Vp-p(1), G = +1, f = 1kHz RL = 100kΩ, AOL > 100dB RL = 100kΩ, AOL > 100dB RL = 2kΩ, AOL > 96dB RL = 2kΩ, AOL > 94dB ISC CLOAD SHUTDOWN tOFF tON VL (Shutdown) VH (Amplifier is Active) IQSD TEMPERATURE RANGE Specified Range Operating Range Storage Range Thermal Resistance SOT-23-6 Surface Mount MSOP-10 Surface Mount SO-8 Surface Mount ±6 ±0.2 Over Temperature POWER SUPPLY Specified Voltage Range Operating Voltage Range Quiescent Current (per amplifier) Over Temperature ±2 ±2 40 IOS INPUT IMPEDANCE Differential Common-Mode Over Temperature Short-Circuit Current Capacitive Load Drive UNITS ±0.6 Over Temperature FREQUENCY RESPONSE Gain-Bandwidth Product Slew Rate Settling Time, 0.1% 0.01% Overload Recovery Time Total Harmonic Distortion + Noise MAX IB Over Temperature OPEN-LOOP GAIN Open-Loop Voltage Gain Over Temperature TYP 0.2 INPUT BIAS CURRENT Input Bias Current Over Temperature Input Offset Current INPUT VOLTAGE RANGE Common-Mode Voltage Range Common-Mode Rejection Ratio Over Temperature MIN 1 40 MHz V/µs µs µs µs % 5 5 200 200 ±50 See Typical Characteristics 1 3 V– (V–) + 2 (V–) + 0.8 V+ 10 VS IQ 2.7 5.5 2.5 to 5.5 0.75 IO = 0, VS = 5V –55 –55 –65 1.0 1.2 125 150 150 θJA 200 150 150 mV mV mV mV mA µs µs V V nA V V mA mA °C °C °C °C/W °C/W °C/W °C/W NOTE: (1) VOUT = 0.25V to 3.25V. OPA341, 2341 SBOS202A 3 TYPICAL CHARACTERISTICS At TA = +25°C, VENABLE = VDD, VS = +5V, RL = 10kΩ, unless otherwise noted. POWER-SUPPLY AND COMMON-MODE REJECTION vs FREQUENCY OPEN-LOOP GAIN/PHASE vs FREQUENCY 160 100 0 PSRR 140 120 80 PSRR, CMRR (dB) –45 80 –90 60 Phase (°) AOL (dB) 100 40 –135 20 60 40 CMRR VCM = –0.3V to (V+) –1.8V 20 0 –180 –20 0.1 10 1 100 1k 10k 100k 1M 0 10M 1 10 100 1k 10k 100k Frequency (Hz) Frequency (Hz) INPUT VOLTAGE AND CURRENT NOISE SPECTRAL DENSITY vs FREQUENCY TOTAL HARMONIC DISTORTION + NOISE vs FREQUENCY 1k 10k 1M 0.1 RL = 600 Voltage Noise 10 100 1 10 RL = 2k 0.01 THD+N (%) 100 1k Current Noise (fA√Hz) Voltage Noise (nV√Hz) Current Noise G = 10 RL = 10k RL = 600 0.001 RL = 10k 0.1 1 1 10 100 1k 10k 100k 0.0001 1M 20 100 Frequency (Hz) 1k 10k 20k Frequency (Hz) CLOSED-LOOP OUTPUT RESISTANCE vs FREQUENCY CHANNEL SEPARATION vs FREQUENCY 150 20000 G = 100 140 Channel Separation (dB) Output Resistance (Ω) RL = 2k G=1 15000 G = 10 10000 G=1 5000 130 VS = 2.7V 120 110 100 90 80 70 0 60 10 1k 100k Frequency (Hz) 4 1M 10 100 1k 10k 100k Frequency (Hz) OPA341, 2341 SBOS202A TYPICAL CHARACTERISTICS (Cont.) At TA = +25°C, VENABLE = VDD, VS = +5V, RL = 10kΩ, unless otherwise noted. OPEN-LOOP GAIN AND PSRR vs TEMPERATURE CMRR vs TEMPERATURE 100 160 120 90 RL = 100kΩ AOL AOL 100 RL = 2kΩ 80 VS = 5V, (V–) – 0.3V < VCM < (V+) – 1.8V CMRR (dB) AOL, CMRR, PSRR (dB) 140 80 PSRR VS = 5V, (V–) – 0.3V < VCM < (V+) + 0.3V 70 60 VS = 2.7V, (V–) – 0.3V < VCM < (V+) + 0.3V 60 40 –75 –25 25 75 125 –75 150 –25 25 75 125 150 Temperature (°C) Temperature (°C) QUIESCENT CURRENT vs SUPPLY VOLTAGE QUIESCENT CURRENT vs TEMPERATURE 0.80 1.20 Quiescent Current (mA) Quiescent Current (mA) 1.00 0.80 0.60 0.40 0.75 0.70 0.65 0.20 0.60 0.00 –75 –25 25 75 125 2 150 3 SHORT-CIRCUIT CURRENT vs TEMPERATURE 5 6 SHORT-CIRCUIT CURRENT vs SUPPLY VOLTAGE 100 60 90 58 –ISC Short-Circuit Current (mA) Short-Circuit Current (mA) 4 Supply Voltage (V) Temperature (°C) 80 70 60 50 +ISC 40 30 20 56 –ISC 54 52 50 +ISC 48 46 44 42 10 40 0 –75 –25 25 75 Temperature (°C) OPA341, 2341 SBOS202A 125 150 2 3 4 5 6 Supply Voltage (V) 5 TYPICAL CHARACTERISTICS (Cont.) At TA = +25°C, VENABLE = VDD, VS = +5V, RL = 10kΩ, unless otherwise noted. INPUT BIAS CURRENT vs INPUT COMMON-MODE VOLTAGE INPUT BIAS vs TEMPERATURE 2 1.5 1000 Input Bias Current (pA) Input Bias Current (pA) 10000 100 10 1 1 0.5 0 –0.5 –1 0.1 –75 –25 25 75 125 150 –1 0 Temperature (°C) OUTPUT VOLTAGE SWING vs OUTPUT CURRENT +25°C –55°C Output Voltage (Vp-p) Output Voltage (V) 3 2 +125°C 0 0 ±10 ±30 ±40 5 6 ±50 ±60 VS = 5.5V Maximum output voltage without slew rate-induced distortion. 4 3 VS = 2.7V 2 0 100k ±70 ±80 ±90 ±100 Output Current (mA) 1M 10M Frequency (Hz) VOS DRIFT DISTRIBUTION VOS PRODUCTION DISTRIBUTION 35 25 Typical distribution of packaged units. 20 30 Percent of Amplifiers (%) Percent of Amplifiers (%) 4 1 –55°C +25°C ±20 3 5 4 1 2 MAXIMUM OUTPUT VOLTAGE vs FREQUENCY 6 5 +125°C 1 Common-Mode Voltage (V) 15 10 5 Typical distribution of packaged units. 25 20 15 10 5 0 0 –6 –5 –4 –3 –2 –1 0 1 2 Offset Voltage (mV) 6 3 4 5 6 0.5 1.5 2.5 3.5 4.5 5.5 6.5 7.5 8.5 9.5 10.5 11.5 12.5 Offset Voltage Drift (µV/°C) OPA341, 2341 SBOS202A TYPICAL CHARACTERISTICS (Cont.) At TA = +25°C, VENABLE = VDD, VS = +5V, RL = 10kΩ, unless otherwise noted. SHUTDOWN CURRENT vs TEMPERATURE SHUTDOWN CURRENT vs POWER SUPPLY 20 12 Shutdown Current (pA) Shutdown Current (nA) 11 15 10 5 10 9 8 7 6 5 VENABLE = VSS VENABLE = VSS 4 0 –75 –25 25 75 125 150 2 3 Temperature (°C) 4 5 6 Supply Voltage (V) SHUTDOWN CURRENT vs POWER SUPPLY SHUTDOWN CURRENT vs SHUTDOWN VOLTAGE 3.25 35 Shutdown Current (nA) Shutdown Current (nA) 30 3.00 2.75 25 20 15 10 5 VENABLE = VSS + 0.8V VS = 5V 2.50 0 2 3 4 5 6 0.0 0.2 Supply Voltage (V) 0.6 0.8 1.0 VENABLE (V) QUIESCENT CURRENT vs VENABLE QUIESCENT CURRENT vs VENABLE 0.8 0.8 0.7 0.7 Quiescent Current (mA) Quiescent Current (mA) 0.4 0.6 0.5 0.4 0.3 0.2 0.1 0.6 0.5 0.4 0.3 0.2 0.1 VS = 2.7V VS = 5.5V 0 0 0.0 0.4 0.8 1.2 VENABLE (V) OPA341, 2341 SBOS202A 1.6 2.0 0.0 0.4 0.8 1.2 1.6 2.0 VENABLE (V) 7 TYPICAL CHARACTERISTICS (Cont.) At TA = +25°C, VENABLE = VDD, VS = +5V, RL = 10kΩ, unless otherwise noted. SETTLING TIME vs CLOSED-LOOP GAIN (2VStep G = +1) SMALL-SIGNAL OVERSHOOT vs LOAD CAPACITANCE 60 100 G = +1 50 Overshoot (%) Settling Time (µs) G = +5 G = –1 40 30 G = –5 20 0.01% 10 0.1% 1 10 0 0.1 100 1k 10k 1 10 100 1000 Closed-Loop Gain (V/V) SMALL-SIGNAL STEP RESPONSE LARGE-SIGNAL STEP RESPONSE 1V/div 50mV/div Load Capacitance (pF) 1µs/div 1µs/div SHUT-DOWN RESPONSE TURN-ON RESPONSE VENABLE 1mA/div Supply Current Supply Current 2µs/div 8 Output Voltage 1V/div Output Voltage 500µA/div 1V/div VENABLE 2µs/div OPA341, 2341 SBOS202A APPLICATIONS INFORMATION OPERATING VOLTAGE OPA341 series op amps are fully specified from +2.7V to +5.5V. However, supply voltage may range from +2.5V to +5.5V. Parameters are tested over the specified supply range—a unique feature of the OPA341 series. In addition, many specifications apply from –55°C to +125°C. Most behavior remains virtually unchanged throughout the full operating voltage range. Parameters that vary significantly with operating voltages or temperature are shown in the Typical Characteristics. OPA341 series op amps are fabricated on a state-of-the-art 0.6-micron CMOS process. They are unity-gain stable and suitable for a wide range of general-purpose applications. Rail-to-rail I/O make them ideal for driving sampling A/D converters. In addition, excellent ac performance makes them well suited for audio applications. The class AB output stage is capable of driving 600Ω loads connected to any point between V+ and ground. Rail-to-rail input and output swing significantly increases dynamic range, especially in lowsupply applications. Figure 1 shows the input and output waveforms for the OPA341 in unity-gain configuration. Operation is from a single +5V supply with a 10kΩ load connected to VS /2. The input is a 5Vp-p sinusoid. Output voltage is approximately 4.98Vp-p. Power-supply pins should be bypassed with 0.01µF ceramic capacitors. RAIL-TO-RAIL INPUT The input common-mode voltage range of the OPA341 series extends 300mV beyond the supply rails. This is achieved with a complementary input stage—an N-channel input differential pair in parallel with a P-channel differential pair, as shown in Figure 2. The N-channel pair is active for input voltages close to the positive rail, typically (V+) – 1.3V to 300mV above the positive supply. The P-channel pair is on for inputs from 300mV below the negative supply to approximately (V+) – 1.3V. VS = 5, G = +1, RL = 10kΩ There is a small transition region, typically (V+) – 1.5V to (V+) – 1.1V, in which both input pairs are on. This 400mV transition region can vary ±300mV with process variation. Thus, the transition region (both stages on) can range from (V+) – 1.8V to (V+) – 1.4V on the low end, up to (V+) – 1.2V to (V+) – 0.8V on the high end. Within the 400mV transition region PSRR, CMRR, offset voltage, offset drift, and THD may be degraded compared to operation outside this region. VIN 2V/div VOUT 20µs/div FIGURE 1. Rail-to-Rail Input and Output. V+ Reference Current VIN+ VIN– VBIAS1 Class AB Control Circuitry VO VBIAS2 ENABLE (CMOS Input) On = High Off = Low V– (Ground) FIGURE 2. Simplified Schematic. OPA341, 2341 SBOS202A 9 A double-folded cascode adds the signal from the two input pairs and presents a differential signal to the class AB output stage. Normally, input bias current is approximately 600fA, however, input voltages exceeding the power supplies by more than 300mV can cause excessive current to flow in or out of the input pins. Momentary voltages greater than 300mV beyond the power supply can be tolerated if the current on the input pins is limited to 10mA. This is easily accomplished with an input resistor, as shown in Figure 3. Many input signals are inherently current-limited to less than 10mA, therefore, a limiting resistor is not required. V+ IOVERLOAD 10mA max capacitive load reacts with the op amp’s output resistance, along with any additional load resistance, to create a pole in the small-signal response which degrades the phase margin. In unity gain, OPA341 series op amps perform well, with a pure capacitive load up to approximately 1000pF. Increasing gain enhances the amplifier’s ability to drive more capacitance. See the typical characteristic “Small-Signal Overshoot vs Capacitive Load.” One method of improving capacitive load drive in the unitygain configuration is to insert a 10Ω to 20Ω resistor in series with the output, as shown in Figure 4. This significantly reduces ringing with large capacitive loads. However, if there is a resistive load in parallel with the capacitive load, RS creates a voltage divider. This introduces a DC error at the output and slightly reduces output swing. This error may be insignificant. For instance, with RL = 10kΩ and RS = 20Ω, there is only about a 0.2% error at the output. VOUT OPAx341 VIN FIGURE 3. Input Current Protection for Voltages Exceeding the Supply Voltage. RAIL-TO-RAIL OUTPUT A class AB output stage with common-source transistors is used to achieve rail-to-rail output. For light resistive loads (> 50kΩ), the output voltage is typically a few millivolts from the supply rails. With moderate resistive loads (2kΩ to 50kΩ), the output can swing to within a few tens of millivolts from the supply rails and maintain high open-loop gain. See the typical characteristic “Output Voltage Swing vs Output Current.” CAPACITIVE LOAD AND STABILITY OPA341 series op amps can drive a wide range of capacitive loads. However, all op amps under certain conditions may become unstable. Op amp configurations, gain, and load value are just a few of the factors to consider when determining stability. An op amp in unity-gain configuration is the most susceptible to the effects of capacitive load. The DRIVING A/D CONVERTERS OPA341 series op amps are optimized for driving medium speed (up to 100kHz) sampling A/D converters. However, they also offer excellent performance for higher-speed converters. The OPA341 series provides an effective means of buffering the A/D converter’s input capacitance and resulting charge injection while providing signal gain. For applications requiring high accuracy, the OPA340 series is recommended. The OPA341 implements a power-saving shutdown feature particularly useful for low-power sampling applications. Figure 5 shows the OPA341 driving the ADS7816, a 12-bit micro-power sampling converter available in the tiny MSOP-8 package. With the OPA341 in non-inverting configuration, an RC network at the amplifier’s output is used as an anti-aliasing filter. By tying the enable of the OPA341 to the shutdown of the ADS7816, additional power-savings can be used for sampling applications. To effectively drive the ADS7816, timing delay was introduced between the two devices, see Figure 5. Alternative applications may need additional timing adjustments. Figure 6 shows the OPA341 configured as a speech bandpass filter. Figure 7 shows the OPA341 configured as a transimpedance amplifier. V+ RS VOUT OPAx341 10Ω to 20Ω VIN RL CL VENABLE FIGURE 4. Series Resistor in Unity-Gain Configuration Improves Capacitive Load Drive. 10 OPA341, 2341 SBOS202A +5V 0.1µF RC Anti-Aliasing Filter 500Ω OPA341 10kΩ 1 VREF 8 V+ +In 2 VIN 0.1µF –In 3300pF 3 DCLOCK ADS7816 12-Bit A/D Converter DOUT CS/SHDN 7 6 5 Serial Interface GND 4 VIN = 0V to 5V for 0V to 5V output. ENABLE Timing Logic NOTE: A/D Input = 0 to VREF 1.6µs 3µs 15µs OA OA Enable Settling Anti-Aliasing Filter Settling OPA341 SD 1µs ADS7816 CS/SHDN 5µs FIGURE 5. OPA341 in Noninverting Configuration Driving the ADS7816 with Timing Diagram. +5V Filters 160Hz to 2.4kHz 10MΩ 200pF VIN 10MΩ 1/2 OPA2341 243kΩ 1.74MΩ 47pF 1/2 OPA2341 220pF RL ENABLE A ENABLE B FIGURE 6. Speech Bandpass Filter. < 1pF (prevents gain peaking) 10MΩ V+ λ OPA341 VO ENABLE FIGURE 7. Transimpedance Amplifier. OPA341, 2341 SBOS202A 11 PACKAGE OPTION ADDENDUM www.ti.com 21-Jan-2005 PACKAGING INFORMATION Orderable Device Status (1) Package Type Package Drawing Pins Package Eco Plan (2) Qty Lead/Ball Finish MSL Peak Temp (3) OPA2341DGSA/250 ACTIVE MSOP DGS 10 250 None CU NIPDAU Level-3-240C-168 HR OPA2341DGSA/2K5 ACTIVE MSOP DGS 10 2500 None CU NIPDAU Level-3-240C-168 HR OPA341NA/250 ACTIVE SOT-23 DBV 6 250 None CU NIPDAU Level-3-250C-168 HR OPA341NA/3K ACTIVE SOT-23 DBV 6 3000 None CU NIPDAU Level-3-250C-168 HR OPA341UA ACTIVE SOIC D 8 100 None CU NIPDAU Level-3-220C-168 HR OPA341UA/2K5 ACTIVE SOIC D 8 2500 None CU NIPDAU Level-3-220C-168 HR (1) The marketing status values are defined as follows: ACTIVE: Product device recommended for new designs. LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect. NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design. PREVIEW: Device has been announced but is not in production. Samples may or may not be available. OBSOLETE: TI has discontinued the production of the device. (2) Eco Plan - May not be currently available - please check http://www.ti.com/productcontent for the latest availability information and additional product content details. None: Not yet available Lead (Pb-Free). Pb-Free (RoHS): TI's terms "Lead-Free" or "Pb-Free" mean semiconductor products that are compatible with the current RoHS requirements for all 6 substances, including the requirement that lead not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered at high temperatures, TI Pb-Free products are suitable for use in specified lead-free processes. Green (RoHS & no Sb/Br): TI defines "Green" to mean "Pb-Free" and in addition, uses package materials that do not contain halogens, including bromine (Br) or antimony (Sb) above 0.1% of total product weight. (3) MSL, Peak Temp. -- The Moisture Sensitivity Level rating according to the JEDECindustry standard classifications, and peak solder temperature. Important Information and Disclaimer:The information provided on this page represents TI's knowledge and belief as of the date that it is provided. TI bases its knowledge and belief on information provided by third parties, and makes no representation or warranty as to the accuracy of such information. Efforts are underway to better integrate information from third parties. TI has taken and continues to take reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on incoming materials and chemicals. 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