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Texas Instruments LMV602MAX/NOPB
- Part No.:
- LMV602MAX/NOPB
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
LMV602MAX/NOPB.pdf
- Description:
- IC OPAMP GP 2 CIRCUIT 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:9,833
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Product details
Overview
LMV602MAX/NOPB from Texas Instruments is a dual, rail-to-rail output, low-power operational amplifier optimized for battery-powered and space-constrained systems. It operates from 2.7 V to 5.5 V, draws 100 µA per amplifier (typ), delivers 1 MHz gain bandwidth, 1 V/µs slew rate, and features 20 fA input bias current and 0.55 mV typical input offset voltage. It is used in portable audio buffers, supply current monitoring circuits, and precision sensor signal conditioning.
For engineers reviewing the LMV602MAX/NOPB datasheet, LMV602MAX/NOPB pinout, LMV602MAX/NOPB application, or LMV602MAX/NOPB equivalent, key selection criteria include ultra-low quiescent current at 2.7 V, rail-to-rail output swing, PMOS input stage enabling femtoampere-level bias current, and guaranteed operation across −40°C to +125°C industrial-plus temperature range.
Technical Context
The LMV602MAX/NOPB implements a CMOS-based architecture with a patented Class AB turnaround stage that reduces quiescent current without compromising slew rate or open-loop gain. Its PMOS differential input pair enables rail-to-rail common-mode input range down to ground and supports low-voltage operation starting at 2.7 V.
This dual-channel op-amp lacks shutdown functionality (unlike the LMV601), but achieves 86 dB CMRR and 82 dB PSRR at 5 V, with 39 nV/√Hz input voltage noise at 1 kHz and 0.012% THD+N at 1 kHz under 5 V/1 VPP conditions - characteristics validated for single-supply, low-noise, low-distortion analog front-ends.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 2.7 V to 5.5 V - supports direct connection to Li-ion battery (3.0–4.2 V) or 3.3 V logic rails without regulation. |
| Quiescent Current (per amp) | 100 µA (typ) - enables >1-year battery life in always-on sensor monitoring nodes powered by coin cells. |
| Gain Bandwidth Product | 1 MHz - sufficient for anti-aliasing filters, active RC filters, and closed-loop gain ≤10 up to ~100 kHz. |
| Slew Rate | 1 V/µs - ensures faithful reproduction of 100-kHz, 1-VPP signals without slew-induced distortion. |
| Input Bias Current | 20 fA (typ) - minimizes voltage error in high-impedance sensor interfaces (e.g., pH electrodes, photodiode TIA feedback). |
| Input Offset Voltage | 0.55 mV (typ) - enables sub-10-bit accuracy in 12-bit ADC driver applications without trimming. |
| Operating Temperature | −40°C to +125°C - qualified for automotive cabin modules, industrial motor controllers, and outdoor IoT edge nodes. |
Pinout & Package
LMV602MAX/NOPB is packaged in an 8-pin SOIC (D package) with nominal body size 4.90 mm × 3.91 mm, suitable for automated assembly and thermal management via PCB copper pour under exposed pad (none - standard SOIC).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | OUTA | Amplifier A output - rail-to-rail capable; drives loads ≥10 kΩ directly; requires external compensation if driving >100 pF. |
| 2 | −INA | Inverting input, channel A - high-impedance node; sensitive to layout parasitics; must be guarded in high-Z applications. |
| 3 | +INA | Noninverting input, channel A - accepts common-mode voltages from GND to V+; enables single-supply sensor biasing. |
| 4 | V− | Negative supply terminal - connected to GND in single-supply configurations; establishes reference for output swing. |
| 5 | +INB | Noninverting input, channel B - electrically isolated from channel A; supports dual independent signal paths. |
| 6 | −INB | Inverting input, channel B - matched to −INA for common-mode rejection in differential configurations. |
| 7 | OUTB | Amplifier B output - identical performance to OUTA; allows dual-channel filtering or signal splitting without cross-talk. |
| 8 | V+ | Positive supply terminal - accepts 2.7–5.5 V; decoupling capacitor (0.1 µF) required within 5 mm for stability. |
Key Features
| Feature | Design Value |
|---|---|
| PMOS Input Stage | Enables 20 fA input bias current - critical for maintaining accuracy in high-source-impedance transducer interfaces. |
| Rail-to-Rail Output | Swings within 30 mV of V+ and V− at 10 kΩ load - maximizes dynamic range in 3.3 V or lower supply systems. |
| Class AB Turnaround Architecture | Reduces quiescent current while preserving 1 V/µs slew rate - achieves optimal trade-off between power and speed. |
| Low Input Voltage Noise | 39 nV/√Hz at 1 kHz - supports low-noise amplification of microvolt-level signals without added gain-stage noise. |
| High PSRR & CMRR | 82 dB PSRR and 86 dB CMRR at 5 V - rejects supply ripple and common-mode interference in noisy embedded environments. |
Applications
| Battery Monitoring Circuit | Portable Audio Line Driver |
|---|---|
Use Scenario: Real-time measurement of cell voltage and discharge current in lithium-polymer battery packs for wearables. IC Role / Device Role / Timing Role: Dual op-amp configured as precision current-sense amplifier (channel A) and buffered voltage divider (channel B) for simultaneous analog acquisition. Use Value: 20 fA input bias prevents loading of high-resistance sense resistors; 100 µA quiescent current extends pack runtime during sleep mode. |
Use Scenario: Driving stereo headphone outputs from a 3.3 V DAC in Bluetooth earbuds with no external boost converter. IC Role / Device Role / Timing Role: Dual rail-to-rail buffer delivering low-THD (0.012%) line-level signals to 16 Ω–32 Ω loads with DC-coupled output. Use Value: 1 V/µs slew rate avoids clipping on 20-kHz tones; 30-mV output headroom enables full 1-VPP swing into 32 Ω. |
| Industrial Sensor Signal Conditioning | PCB Space-Constrained Filter Stage |
Use Scenario: Amplifying and filtering millivolt-level thermocouple or strain gauge outputs in factory automation I/O modules. IC Role / Device Role / Timing Role: Dual-channel instrumentation-grade amplifier front-end with selectable gain and anti-aliasing filtering. Use Value: 0.55 mV VOS and 1.9 µV/°C drift ensure <±2°C error over −40°C to +85°C; 125°C max rating supports enclosed enclosures. |
Use Scenario: Implementing 2nd-order active low-pass filtering in medical patch monitors where board area is limited to <1 cm² per channel. IC Role / Device Role / Timing Role: One amplifier as unity-gain buffer, second as Sallen-Key filter - sharing same SOIC footprint as discrete solutions. Use Value: 8-pin SOIC package occupies 19.2 mm² - 60% smaller than dual-op-amp alternatives requiring separate decoupling and layout isolation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual low-power operational amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MCP602-I/SN | Higher quiescent current (150 µA), lower GBW (2.8 MHz), BJT input (2 nA IB), no 125°C rating. | Less suitable for ultra-low-power battery monitoring; better for higher-speed filtering where noise is less critical. | Select MCP602-I/SN only when >2 MHz bandwidth is required and 125°C operation is unnecessary. |
| TLV9002IDR | Lower quiescent current (60 µA), same 1 MHz GBW, rail-to-rail I/O, 0.3 mV VOS, but only rated to 125°C with derated parameters. | Superior power efficiency in always-on sensing; slightly higher offset limits precision DC accuracy vs. LMV602MAX/NOPB. | Choose TLV9002IDR for longest battery life in non-precision AC-coupled signal chains; retain LMV602MAX/NOPB for DC-stable, high-temp accuracy. |
Compared with MCP602-I/SN and TLV9002IDR, LMV602MAX/NOPB uniquely balances femtoampere input bias, 125°C guaranteed operation, and 0.55 mV VOS - making it the preferred choice for high-impedance, high-temperature, precision DC signal conditioning where both accuracy and reliability are non-negotiable.
Availability
LMV602MAX/NOPB is available at Aetrix Electronics and suitable for battery monitoring, portable audio line driving, and industrial sensor signal conditioning requiring stable component supply, long-term manufacturability, and guaranteed industrial-plus temperature support.
Supply support for LMV602MAX/NOPB includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Texas Instruments is a global semiconductor leader focused on analog and embedded processing technologies, with decades of expertise in precision amplifiers and low-power signal chain solutions.
The LMV602MAX/NOPB belongs to the LMV60x family of low-voltage, low-power op-amps designed specifically for portable, battery-operated, and space-constrained electronics requiring rail-to-rail output and ultra-low input bias current.
FAQ
What is the maximum operating temperature for LMV602MAX/NOPB?
The LMV602MAX/NOPB is specified for continuous operation from −40°C to +125°C, with all electrical parameters guaranteed across this full industrial-plus temperature range. This makes LMV602MAX/NOPB suitable for under-hood automotive modules, industrial motor drives, and outdoor IoT gateways where ambient temperatures exceed 105°C.
Does LMV602MAX/NOPB include a shutdown pin?
No, LMV602MAX/NOPB does not feature a shutdown pin. Shutdown functionality is exclusive to the LMV601 variant. The LMV602MAX/NOPB is a dual-channel amplifier with fixed enable behavior - it operates continuously whenever V+ and V− are within specification. For power-gated applications, external FET control of the supply rail is required.
Can LMV602MAX/NOPB drive capacitive loads?
LMV602MAX/NOPB can safely drive up to 100 pF with unity-gain stability; beyond that, external isolation resistance (e.g., 100 Ω in series with output) is recommended. Data sheet Figure 26 confirms stable operation with ≤100 pF capacitive load at unity gain, but larger loads require compensation per Application Note SLVA397.
What is the input common-mode voltage range of LMV602MAX/NOPB?
The input common-mode voltage range of LMV602MAX/NOPB extends from V− (GND in single-supply use) to V+ − 1.3 V at 2.7 V supply, and to V+ − 1.0 V at 5 V supply. This rail-to-ground input capability enables direct interfacing with sensors referenced to system ground without level-shifting circuitry.
Is LMV602MAX/NOPB RoHS compliant and lead-free?
Yes, LMV602MAX/NOPB is RoHS compliant and lead-free. The "/NOPB" suffix explicitly denotes lead-free packaging and compliance with EU Directive 2011/65/EU. The device uses matte tin lead finish and meets TI's green chemistry standards for halogen-free substrates and molding compounds.
LMV602MAX/NOPB Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- LMV®
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 2
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 1V/µs
- Gain Bandwidth Product:
- 1 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 0.02 pA
- Voltage - Input Offset:
- 550 µV
- Current - Supply:
- 100µA (x2 Channels)
- Current - Output / Channel:
- 113 mA
- Voltage - Supply Span (Min):
- 2.7 V
- Voltage - Supply Span (Max):
- 5.5 V
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
LMV602MAX/NOPB FAQ
1.How can I place an order for LMV602MAX/NOPB through Aetrix?
Please submit a Request for Quotation (RFQ) for LMV602MAX/NOPB on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for LMV602MAX/NOPB reliable?
The price and inventory of LMV602MAX/NOPB are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LMV602MAX/NOPB is usually 5 days.
3.What payment methods are accepted for LMV602MAX/NOPB?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LMV602MAX/NOPB transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LMV602MAX/NOPB?
LMV602MAX/NOPB orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LMV602MAX/NOPB order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for LMV602MAX/NOPB?
For technical support, including LMV602MAX/NOPB datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LMV602MAX/NOPB requirements.
6.How does Aetrix verify that LMV602MAX/NOPB is sourced from the original manufacturer or authorized distributors?
All LMV602MAX/NOPB products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that LMV602MAX/NOPB meets industry standards.
7.What is the process for return or replacement of LMV602MAX/NOPB?
All LMV602MAX/NOPB units undergo pre-shipment inspection (PSI). If there is an issue with LMV602MAX/NOPB, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The LMV602MAX/NOPB part is unused and in its original packaging.
Return procedure for LMV602MAX/NOPB:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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