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OPA349NA/3K

OPA349NA/3K

  • 厂商:

    BURR-BROWN(德州仪器)

  • 封装:

    SOT23-5

  • 描述:

    IC OPAMP GP 1 CIRCUIT SOT23-5

  • 数据手册
  • 价格&库存
OPA349NA/3K 数据手册
OPA OPA349 OPA2349 349 OPA 2349 SBOS121B – JUNE 2000 – REVISED JANUARY 2004 1µA, Rail-to-Rail I/O CMOS OPERATIONAL AMPLIFIERS FEATURES DESCRIPTION ● ● ● ● ● ● ● ● ● ● The OPA349 and OPA2349 are ultra-low power operational amplifiers that provide 70kHz bandwidth with only 1µA quiescent current. These rail-to-rail input and output amplifiers are specifically designed for battery-powered applications. The input common-mode voltage range extends 200mV beyond the power-supply rails and the output swings to within 350mV of the rails, maintaining wide dynamic range. Unlike some micropower op amps, these parts are unity-gain stable and require no external compensation to achieve wide bandwidth. The OPA349 features a low input bias current that allows the use of large source and feedback resistors. LOW SUPPLY CURRENT: 1µA GAIN-BANDWIDTH: 70kHz UNITY-GAIN STABLE LOW INPUT BIAS CURRENT: 10pA (max) WIDE SUPPLY RANGE: 1.8V to 5.5V INPUT RANGE: 200mV Beyond Rails OUTPUT SWINGS TO 350mV OF RAILS OUTPUT DRIVE CURRENT: 8mA OPEN-LOOP GAIN: 90dB MicroPACKAGES: SC70, SOT23-5, SOT23-8 The OPA349 can be operated with power supplies from 1.8V to 5.5V with little change in performance, ensuring continuing superior performance even in low battery situations. APPLICATIONS ● ● ● ● ● ● ● ● BATTERY PACKS AND POWER SUPPLIES PORTABLE PHONES, PAGERS, AND CAMERAS SOLAR-POWERED SYSTEMS SMOKE, GAS, AND FIRE DETECTION SYSTEMS REMOTE SENSORS PCMCIA CARDS DRIVING ANALOG-TO-DIGITAL (A/D) CONVERTERS MicroPOWER FILTERS The OPA349 comes in miniature SOT23-5, SC70, and SO-8 surface-mount packages. The OPA2349 dual is available in SOT23-8, and SO-8 surface-mount packages. These tiny packages are ideal for use in high-density applications, such as PCMCIA cards, battery packs, and portable instruments. The OPA349 is specified for 0°C to +70°C. The OPA2349 is specified for –40°C to +70°C. OPEN-LOOP GAIN AND PHASE vs FREQUENCY 100 FEATURES 90 PRODUCT 0 Gain 80 TLV240x TLV224x TLV238x TLV27Lx TLV276x OPAx347 OPAx348 70 Gain (dB) 1µA, 5.5kHz, Rail-To-Rail 1µA, 5.5kHz, Rail-To-Rail 7µA, 160kHz, Rail-To-Rail, 2.7V to 16V Supply 7µA, 160kHz, Rail-To-Rail, Micro Power 20µA, 500kHz, Rail-To-Rail, 1.8V Micro Power 20µA, 350kHz, Rail-To-Rail, Micro Power 45µA, 1MHz, Rail-To-Rail, 2.1V to 5.5V Supply 45 Phase 60 50 90 40 30 Phase (°) OPAx349 RELATED PRODUCTS 135 20 10 180 0 0.1 1 10 100 1k Frequency (Hz) 10k 100k 1M 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. Copyright © 2000-2004, 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) Supply Voltage, V+ to V– ................................................................... 5.5V Signal Input Terminals, Voltage(2) .................. (V–) – 0.5V to (V+) + 0.5V Current(2) .................................................... 10mA Output Short Circuit(3) .............................................................. Continuous Operating Temperature, OPA2349 ................................ –55°C to +125°C Operating Temperature, OPA349 ........................................ 0°C to +85°C Storage Temperature ..................................................... –65°C to +150°C Junction Temperature ...................................................................... 150°C Lead Temperature (soldering, 3s) ................................................... 300°C NOTES: (1) Stresses above these ratings may cause permanent damage. Exposure to absolute maximum conditions for extended periods may degrade device reliability. These are stress ratings only, and functional operation of the device at these, or any other conditions beyond those specified, is not implied. (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. ELECTROSTATIC DISCHARGE SENSITIVITY 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. 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(1) PRODUCT PACKAGE PACKAGE DESIGNATOR(1) PACKAGE MARKING ORDERING NUMBER TRANSPORT MEDIA, QUANTITY Single OPA349NA SOT23-5 DBV A49 " " " SO-8 D OPA349UA " " " SC70-5 DCK S49 " " " " OPA349NA /250 OPA349NA/3K OPA349UA OPA349UA/2K5 OPA349SA/250 OPA349SA/3K Tape and Reel, 250 Tape and Reel, 3000 Rails, 100 Tape and Reel, 2500 Tape and Reel, 250 Tape and Reel, 3000 Dual OPA2349EA SOT23-8 DCN C49 " " " " OPA2349UA SO-8 D OPA2349UA " " " " OPA2349EA/250 OPA2349EA/3K OPA2349UA OPA2349UA/2K5 Tape and Reel, 250 Tape and Reel, 3000 Rails, 100 Tape and Reel, 2500 " OPA349UA " OPA349SA NOTE: (1) For the most current package and ordering information, see the Package Option Addendum located at the end of this data sheet. PIN CONFIGURATIONS OPA349 OPA2349 OPA349 NC(1) 1 8 NC(1) Out A 1 8 V+ –In 2 7 V+ –In A 2 7 Out B +In 3 6 Out +In A 3 6 –In B 5 NC(1) V– 4 5 +In B V– 4 SO-8 SOT23-8, SO-8 Out 1 V– 2 +In 3 5 V+ 4 –In SOT23-5 OPA349 +In 1 5 V+ V– 2 NOTE: (1) NC indicates no internal connection. –In 3 4 Out SC70-5 2 OPA349, 2349 www.ti.com SBOS121B ELECTRICAL CHARACTERISTICS (Single): VS = +1.8V to +5.5V Boldface limits apply over the specified temperature range, TA = 0°C to +70°C. At TA = +25°C, and RL = 1MΩ connected to VS /2, unless otherwise noted. OPA349 PARAMETER OFFSET VOLTAGE Input Offset Voltage Over Temperature Drift vs Power-Supply Rejection Ratio Over Temperature CONDITION VOS dVOS /dT PSRR INPUT VOLTAGE RANGE Common-Mode Voltage Range Common-Mode Rejection Ratio Over Temperature VCM CMRR VS = 1.8V to 5.5V, VCM = (V–) + 0.3V VS = +5V, –0.2V < VCM < 5.2V VS = +5V, –0.2V < VCM < 3.5V (V–) – 0.2 48 46 52 50 OPEN-LOOP GAIN Open-Loop Voltage Gain Over Temperature Open-Loop Voltage Gain Over Temperature en in AOL RL = 1MΩ, VS = +5.5V, +0.3V < VO < +5.2V AOL RL = 10kΩ, VS = +5.5V, +0.35V < VO < +5.15V OUTPUT Voltage Output Swing from Rail Over Temperature 74 72 74 60 FREQUENCY RESPONSE Gain-Bandwidth Product Slew Rate Settling Time, 0.1% 0.01% Overload Recovery Time POWER SUPPLY Specified Voltage Range Quiescent Current (per amplifier) Over Temperature TEMPERATURE RANGE Specified Range Operating Range Storage Range Thermal Resistance SOT23-5 Surface-Mount SO-8 Surface-Mount SC70-5 Surface-Mount mV mV µV/°C µV/V µV/V 1000 3000 (V+) + 0.2 V dB dB dB dB ±10 ±10 pA pA Ω || pF Ω || pF 8 300 4 µVp-p nV/√Hz fA/√Hz 90 dB dB dB dB 90 300 300 350 350 ±8 ±10 See Typical Characteristics ISC CLOAD VS IQ ±10 ±13 1013 || 2 1013 || 4 RL = 1MΩ, VS = +5.5V, AOL > 74dB GBW SR tS UNITS 72 RL = 10kΩ, VS = +5.5V, AOL > 74dB Over Temperature Output Current Short-Circuit Current Capacitive Load Drive MAX 60 ±0.5 ±1 IB IOS INPUT IMPEDANCE Differential Common-Mode NOISE Input Voltage Noise, f = 0.1Hz to 10Hz Input Voltage Noise Density, f = 1kHz Current Noise Density, f = 1kHz TYP(1) ±2 ±2 ±15 350 VS = 5V, VCM = 2.5V Over Temperature INPUT BIAS CURRENT Input Bias Current Input Offset Current MIN CL = 10pF G = +1 VS = +5V, G = +1 VS = 5V, 1V Step VS = 5V, 1V Step VIN • Gain = VS 70 0.02 65 80 5 +1.8 IO = 0 1 0 0 –65 θJA 200 150 250 mV mV mV mV mA mA kHz V/µs µs µs µs +5.5 2 10 V µA µA +70 +85 +150 °C °C °C °C/W °C/W °C/W NOTE: (1) Refer to Typical Characteristic curves. OPA349, 2349 SBOS121B www.ti.com 3 ELECTRICAL CHARACTERISTICS (Dual): VS = +1.8V to +5.5V Boldface limits apply over the specified temperature range, TA = –40°C to +70°C. At TA = +25°C, and RL = 1MΩ connected to VS /2, unless otherwise noted. OPA2349 PARAMETER OFFSET VOLTAGE Input Offset Voltage Over Temperature Drift vs Power Supply Over Temperature Channel Separation, dc CONDITION VOS dVOS /dT PSRR INPUT VOLTAGE RANGE Common-Mode Voltage Range Common-Mode Rejection Ratio Over Temperature VCM CMRR VS = 1.8V to 5.5V, VCM = (V–) + 0.3V RL = 100kΩ f = 1kHz 10 66(1) VS = +5V, –0.2V < VCM < 5.2V VS = +5V, –0.2V < VCM < 3.5V (V–) – 0.2 48 46 52 50 OPEN-LOOP GAIN Open-Loop Voltage Gain Over Temperature Open-Loop Voltage Gain Over Temperature en in AOL RL = 1MΩ, VS = +5.5V, +0.3V < VO < +5.2V AOL RL = 10kΩ, VS = +5.5V, +0.35V < VO < +5.15V OUTPUT Voltage Output Swing from Rail Over Temperature Over Temperature Output Current Short-Circuit Current FREQUENCY RESPONSE Gain-Bandwidth Product Slew Rate Settling Time, 0.1% 0.01% Overload Recovery Time POWER SUPPLY Specified Voltage Range Quiescent Current (per amplifier) Over Temperature TEMPERATURE RANGE Specified Range Operating Range Storage Range Thermal Resistance SOT23-8 Surface-Mount SO-8 Surface-Mount 74 72 74 60 GBW SR tS VS IQ mV mV µV/°C µV/V µV/V µV/V dB 1000 3000 (V+) + 0.2 V dB dB dB dB ±10 ±10 pA pA Ω || pF Ω || pF 8 300 4 µVp-p nV/√Hz fA/√Hz 90 dB dB dB dB 90 RL = 10kΩ, VS = +5.5V, AOL > 74dB 200 ±8 ±10 mV mV mV mV mA mA 70 0.02 65 80 5 kHz V/µs µs µs µs +1.8 IO = 0 ±10 ±13 1013 || 2 1013 || 4 150 CL = 10pF G = +1 VS = +5V, G = +1 VS = 5V, 1V Step VS = 5V, 1V Step VIN • Gain = VS UNITS 72 RL = 1MΩ, VS = +5.5V, AOL > 74dB ISC MAX 60 ±0.5 ±1 IB IOS INPUT IMPEDANCE Differential Common-Mode NOISE Input Voltage Noise, f = 0.1Hz to 10Hz Input Voltage Noise Density, f = 1kHz Current Noise Density, f = 1kHz TYP(1) ±2 ±2 ±15 350 VS = 5V, VCM = 2.5V Over Temperature INPUT BIAS CURRENT Input Bias Current Input Offset Current MIN 1 –40 –40 –65 θJA 200 150 300 300 350 350 +5.5 2 10 V µA µA +70 +85 +150 °C °C °C °C/W °C/W NOTE: (1) Refer to Typical Characteristic curves. 4 OPA349, 2349 www.ti.com SBOS121B TYPICAL CHARACTERISTICS At TA = +25°C, VS = +5V, and RL = 1MΩ connected to VS/2, unless otherwise noted. OPEN-LOOP GAIN vs TEMPERATURE OPEN-LOOP GAIN AND PHASE vs FREQUENCY 100 100 90 0 RL = 1MΩ 90 50 90 40 30 Gain (dB) 45 Phase 60 Phase (°) 70 Gain (dB) 95 Gain 80 Single version operation below 0°C is not recommended. 85 75 135 70 20 10 65 180 0 60 0.1 1 10 100 1k Frequency (Hz) 10k 100k 1M –75 –50 –25 0 25 50 75 85 Temperature (°C) COMMON-MODE REJECTION RATIO vs TEMPERATURE COMMON-MODE REJECTION RATIO vs FREQUENCY 80 80 70 75 –0.2V < VCM < 3.5V 60 50 CMRR (dB) CMRR (dB) RL = 10kΩ 80 40 30 70 65 Single version operation below 0°C is not recommended. 60 –0.2V < VCM < 5.2V 20 55 10 0 10 100 1k Frequency (Hz) 10k 50 –75 100k –50 –25 0 25 50 75 85 Temperature (°C) POWER-SUPPLY REJECTION RATIO vs TEMPERATURE POWER-SUPPLY REJECTION RATIO vs FREQUENCY 100 80 90 80 70 PSRR (dB) PSRR (dB) 70 60 –PSRR 50 +PSRR 40 60 Single version operation below 0°C is not recommended. 30 50 20 10 0 40 10 100 1k Frequency (Hz) 10k 100k –50 –25 0 25 50 75 85 Temperature (°C) OPA349, 2349 SBOS121B –75 www.ti.com 5 TYPICAL CHARACTERISTICS (Cont.) At TA = +25°C, VS = +5V, and RL = 1MΩ connected to VS/2, unless otherwise noted. QUIESCENT AND SHORT-CIRCUIT vs SUPPLY VOLTAGE QUIESCENT CURRENT vs TEMPERATURE Quiescent Current (µA) 2.5 Quiescent Current (µA) 12 1.4 2.0 OPA2349 1.5 1.0 OPA349 1.2 ISC at 25°C 8 1.0 6 0.8 IQ ISC at 125°C 4 2 0.4 –50 –25 0 25 50 75 85 1.5 2.0 2.5 Temperature (°C) 4.0 4.5 5.0 5.5 10k VS = +5.5V 10 Input Bias Current (pA) Short-Circuit Current (mA) 3.5 INPUT BIAS CURRENT vs TEMPERATURE SHORT-CIRCUIT CURRENT vs TEMPERATURE VS = +2.5V 5 0 VS = +1.8V Single version operation below 0°C is not recommended. VS = +2.5V –10 VS = +5.5V –15 –55 –35 3.0 Supply Voltage (V) 15 –5 10 0.6 0.5 0.0 –75 ISC at –40°C (dual version only) Short-Circuit Current, ISC (mA) 3.0 1k 100 10 Single version operation below 0°C is not recommended. 1 0.1 –15 0 5 25 45 65 85 –75 –50 –25 Temperature (°C) 0 25 75 85 50 Temperature (°C) INPUT VOLTAGE NOISE DENSITY CHANNEL SEPARATION vs FREQUENCY 1000 100 Channel Separation (dB) Voltage Noise (nV/√Hz) 90 400 80 70 60 50 40 30 20 10 100 0 10 100 1k 10k 10 Frequency (Hz) 6 100 1k Frequency (Hz) 10k 100k OPA349, 2349 www.ti.com SBOS121B TYPICAL CHARACTERISTICS (Cont.) At TA = +25°C, VS = +5V, and RL = 1MΩ connected to VS/2, unless otherwise noted. OFFSET VOLTAGE DRIFT PRODUCTION DISTRIBUTION OUTPUT VOLTAGE vs OUTPUT CURRENT (V+) Population Output Voltage (V) (V+) – 1 (V+) – 2 125°C 25°C (V–) + 2 –40°C (dual version only) (V–) + 1 (V–) –30 –25 –20 –15 –10 –5 0 5 0 10 15 20 25 30 35 40 1 2 3 4 5 6 7 8 9 10 Output Current (mA) Offset Voltage Drift (µV/°C) LARGE-SIGNAL STEP RESPONSE G = 1, RL = 1MΩ MAXIMUM OUTPUT VOLTAGE vs FREQUENCY 6 VS = +5.5V VS = +5V 4 1V/div Output Voltage (Vp-p) 5 3 VS = +2.5V 2 VS = +1.8V 1 0 100 1k 10k 100µs/div 100k Frequency (Hz) SMALL-SIGNAL STEP RESPONSE G = 1, RL = 1MΩ, CL = 500pF 50mV/div 50mV/div SMALL-SIGNAL STEP RESPONSE G = 1, RL = 1MΩ, CL = 20pF 100µs/div 40µs/div OPA349, 2349 SBOS121B www.ti.com 7 TYPICAL CHARACTERISTICS (Cont.) At TA = +25°C, VS = +5V, and RL = 1MΩ connected to VS/2, unless otherwise noted. SMALL-SIGNAL OVERSHOOT vs LOAD CAPACITANCE (SOT23, SO-8) 100 100 90 90 80 70 60 50 G = −1V/V, RL = 1MΩ 40 30 G = +1V/V, RL = 1MΩ 20 Small-Signal Overshoot (%) Small-Signal Overshoot (%) SMALL-SIGNAL OVERSHOOT vs LOAD CAPACITANCE (SC70) G = +1V/V 70 60 50 40 30 20 10 10 0 0 10 8 G = −1V/V 80 100 Load Capacitance (pF) 10 1k 100 Load Capacitance (pF) 1k OPA349, 2349 www.ti.com SBOS121B APPLICATIONS INFORMATION The OPA349 series op amps are unity-gain stable and can operate on a single supply, making them highly versatile and easy to use. Power-supply pins should be bypassed with 0.01µF ceramic capacitors. The OPA349 series op amps are fully specified and tested from +1.8V to +5.5V. Parameters that vary significantly with operating voltages or temperature are shown in the Typical Characteristic curves. The ultra-low quiescent current of the OPA349 requires careful application circuit techniques to achieve low overall current consumption. Figure 1 shows an ac-coupled amplifier +1.8V to 5.5V R3 2M R1 10M CF 3pF R5 10M CF may be required for best stability or to reduce frequency peaking—see text. G = 11 10nF OPA349 R2 10M VOUT R4 2M biased with a voltage divider. Resistor values must be very large to minimize current. The large feedback resistor value reacts with input capacitance and stray capacitance to produce a pole in the feedback network. A feedback capacitor may be required to assure stability and limit overshoot or gain peaking. Check circuit performance carefully to assure that biasing and feedback techniques meet signal and quiescent current requirements. RAIL-TO-RAIL INPUT The input common-mode voltage range of the OPA349 series extends 200mV 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 200mV above the positive supply, while the P-channel pair is on for inputs from 200mV below the negative supply to approximately (V+) – 1.3V. There is a small transition region, typically (V+) – 1.5V to (V+) – 1.1V, in which both 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. For more information on designing with rail-to-rail input op amps, see Figure 3, Design Optimization with Rail-to-Rail Input Op Amps. FIGURE 1. AC-Coupled Amplifier. V+ Reference Current VIN+ VIN– VBIAS1 Class AB Control Circuitry VO VBIAS2 V– (Ground) FIGURE 2. Simplified Schematic. OPA349, 2349 SBOS121B www.ti.com 9 DESIGN OPTIMIZATION WITH RAIL-TO-RAIL INPUT OP AMPS wide input swing is required. A design option would be to configure the op amp as a unity-gain inverter as shown below and hold the noninverting input at a set common-mode voltage outside the transition region. This can be accomplished with a voltage divider from the supply. The voltage divider should be designed such that the biasing point for the noninverting input is outside the transition region. In most applications, operation is within the range of only one differential pair. However, some applications can subject the amplifier to a common-mode signal in the transition region. Under this condition, the inherent mismatch between the two differential pairs may lead to degradation of the CMRR and THD. The unity-gain buffer configuration is the most problematic—it will traverse through the transition region if a sufficiently R R VOUT VIN VCM FIGURE 3. Design Optimization. COMMON-MODE REJECTION The CMRR for the OPA349 is specified in two ways so the best match for a given application may be used. First, the CMRR of the device in the common-mode range below the transition region (VCM < (V+) – 1.5V) is given. This specification is the best indicator of the capability of the device when the application requires use of one of the differential input pairs. Second, the CMRR at VS = 5V over the entire common-mode range is specified. OUTPUT DRIVEN TO V– RAIL Loads that connect to single-supply ground (or the V– supply pin) can cause the OPA349 or OPA2349 to oscillate if the output voltage is driven into the negative rail (as shown in a) Figure 4a). Similarly, loads that can cause current to flow out of the output pin when the output voltage is near V– can cause oscillations. The op amp will recover to normal operation a few microseconds after the output is driven positively out of the rail. Some op amp applications can produce this condition even without a load connected to V–. The integrator in Figure 4b shows an example of this effect. Assume that the output ramps negatively, and saturates near 0V. Any negativegoing step at VIN will produce a positive output current pulse through R1 and C1. This may incite the oscillation. Diode D1 prevents the input step from pulling output current when the output is saturated at the rail, thus preventing the oscillation. V+ b) V+ R1 1MΩ C1 1nF VIN 2V VO OPA349 VIN 0V D1 1N4148 OPA349 (No Load) 0V RL 1V 0V FIGURE 4. Output Driven to Negative Rail. 10 OPA349, 2349 www.ti.com SBOS121B PACKAGE OPTION ADDENDUM www.ti.com 19-Oct-2022 PACKAGING INFORMATION Orderable Device Status (1) Package Type Package Pins Package Drawing Qty Eco Plan (2) Lead finish/ Ball material MSL Peak Temp Op Temp (°C) Device Marking (3) Samples (4/5) (6) OPA2349EA/250 ACTIVE SOT-23 DCN 8 250 RoHS & Green NIPDAU Level-2-260C-1 YEAR -55 to 125 C49 Samples OPA2349EA/3K ACTIVE SOT-23 DCN 8 3000 RoHS & Green NIPDAU Level-2-260C-1 YEAR -55 to 125 C49 Samples OPA2349UA ACTIVE SOIC D 8 75 RoHS & Green NIPDAU Level-2-260C-1 YEAR -55 to 125 OPA 2349UA Samples OPA2349UA/2K5 ACTIVE SOIC D 8 2500 RoHS & Green NIPDAU Level-2-260C-1 YEAR -55 to 125 OPA 2349UA Samples OPA349NA/250 ACTIVE SOT-23 DBV 5 250 RoHS & Green NIPDAU Level-2-260C-1 YEAR 0 to 70 A49 Samples OPA349NA/3K ACTIVE SOT-23 DBV 5 3000 RoHS & Green NIPDAU Level-2-260C-1 YEAR A49 Samples OPA349SA/250 ACTIVE SC70 DCK 5 250 RoHS & Green NIPDAU Level-1-260C-UNLIM S49 Samples OPA349SA/3K ACTIVE SC70 DCK 5 3000 RoHS & Green NIPDAU Level-1-260C-UNLIM S49 Samples OPA349UA ACTIVE SOIC D 8 75 RoHS & Green NIPDAU Level-2-260C-1 YEAR OPA 349UA Samples OPA349UA/2K5 ACTIVE SOIC D 8 2500 RoHS & Green NIPDAU Level-2-260C-1 YEAR OPA 349UA Samples -40 to 85 (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) RoHS: TI defines "RoHS" to mean semiconductor products that are compliant with the current EU RoHS requirements for all 10 RoHS substances, including the requirement that RoHS substance do not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered at high temperatures, "RoHS" products are suitable for use in specified lead-free processes. TI may reference these types of products as "Pb-Free". RoHS Exempt: TI defines "RoHS Exempt" to mean products that contain lead but are compliant with EU RoHS pursuant to a specific EU RoHS exemption. Green: TI defines "Green" to mean the content of Chlorine (Cl) and Bromine (Br) based flame retardants meet JS709B low halogen requirements of
OPA349NA/3K 价格&库存

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