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Texas Instruments LM358AM/NOPB
- Part No.:
- LM358AM/NOPB
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
LM358AM/NOPB.pdf
- Description:
- IC OPAMP GP 2 CIRCUIT 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:1,630
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Product details
Overview
LM358AM/NOPB from Texas Instruments is a dual, low-power, internally frequency-compensated operational amplifier designed for single-supply operation from 3 V to 32 V (or ±1.5 V to ±16 V). It delivers 100 dB DC voltage gain, 1 MHz unity-gain bandwidth, 2 mV input offset voltage, and rail-to-rail output swing down to ground - enabling direct sensing of signals near 0 V in battery-powered sensor interfaces and industrial signal conditioning circuits.
For engineers reviewing the LM358AM/NOPB datasheet, LM358AM/NOPB pinout, LM358AM/NOPB application, or LM358AM/NOPB equivalent, this page provides verified specifications, SOIC-8 package details, real-world use cases in 4–20 mA transmitters and active filters, and two validated alternative op-amps with documented functional differences.
Technical Context
The LM358AM/NOPB integrates two independent PNP-input op-amps on a single die, each featuring temperature-compensated unity-gain crossover frequency and input bias current. Its input common-mode range extends to ground, and output can swing to within 20 mV of ground under 5 V supply with 10 kΩ load - critical for single-supply DC-coupled amplification.
Internally compensated for stable unity-gain operation, it avoids external compensation components. The class-A/class-B hybrid output stage enables both sourcing (up to 40 mA) and sinking (up to 20 mA) capability while maintaining low quiescent current (500 μA typical), making it suitable for always-on analog front-ends.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 3 V to 32 V single supply (±1.5 V to ±16 V dual) - supports direct interface with 3.3 V and 5 V digital systems without level-shifting. |
| DC Voltage Gain | 100 dB - ensures high-precision amplification of low-level sensor outputs (e.g., thermocouples, strain gauges). |
| Unity-Gain Bandwidth | 1 MHz (temperature compensated) - enables stable AC signal amplification up to ~100 kHz in closed-loop gain ≥10 configurations. |
| Input Offset Voltage | 2 mV max at 25°C - limits baseline error in precision DC gain blocks used in industrial transmitters. |
| Quiescent Supply Current | 500 μA per amplifier - allows dual-op-amp functionality in battery-operated devices with multi-year runtime. |
| Output Voltage Swing | 20 mV above GND / 26 V below V+ (at V+ = 30 V, RL = 10 kΩ) - supports true single-supply operation with ground-referenced inputs and outputs. |
| Input Common-Mode Range | Includes ground (0 V) - eliminates need for input biasing resistors in sensor interfaces tied to system ground. |
Pinout & Package
LM358AM/NOPB is packaged in an 8-pin SOIC (Small Outline Integrated Circuit) with 1.27 mm pitch, 4.90 mm × 3.91 mm body size, and surface-mount footprint compatible with standard reflow profiles.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (OUTA) | Output, Channel A | Amplified output of first op-amp; capable of sourcing 40 mA or sinking 20 mA into resistive loads. |
| 2 (–INA) | Inverting Input, Channel A | Differential input node; accepts signals referenced to ground or biased above ground in single-supply configurations. |
| 3 (+INA) | Non-inverting Input, Channel A | High-impedance input (typ. 250 nA bias current); supports direct connection to high-Z sensors without loading. |
| 4 (GND / V–) | Ground / Negative Supply | Reference node for single-supply operation; serves as return path for both amplifiers' internal circuitry. |
| 5 (+INB) | Non-inverting Input, Channel B | Second op-amp's high-Z input; electrically isolated from Channel A except via shared power and ground rails. |
| 6 (–INB) | Inverting Input, Channel B | Independent differential input; enables dual-channel signal processing (e.g., differential pair + reference buffer). |
| 7 (OUTB) | Output, Channel B | Second independent output; identical sourcing/sinking capability and voltage swing to OUTA. |
| 8 (V+) | Positive Supply | Single positive rail input; powers both amplifiers simultaneously - no separate V– required in single-supply mode. |
Key Features
| Feature | Design Value |
|---|---|
| Single-supply operation with ground-sensing inputs | Enables direct interfacing with 0 V–referenced transducers (e.g., pressure sensors, RTDs) without external level shifters. |
| Temperature-compensated unity-gain crossover | Maintains stable 1 MHz bandwidth across –40°C to +85°C ambient, eliminating gain drift in temperature-varying environments. |
| Low input bias current (45 nA typ.) | Minimizes voltage drop across high-impedance source networks (e.g., pH electrodes, photodiode amps), preserving signal integrity. |
| Rail-to-ground output swing | Delivers full dynamic range down to 20 mV above GND at 5 V supply - essential for accurate low-voltage ADC driver stages. |
| Internal frequency compensation | Guarantees stability in unity-gain follower and non-inverting configurations without external compensation capacitors. |
Applications
| 4–20 mA Current Loop Transmitter | Active Low-Pass Filter |
|---|---|
|
Use Scenario: Converting a 0–5 V sensor output into a robust 4–20 mA analog current signal for industrial PLCs over long cables. IC Role / Device Role / Timing Role: LM358AM/NOPB operates as a precision voltage-to-current converter (V-I) using one op-amp for feedback control and the second as a reference buffer. Use Value: Leverages rail-to-ground output and low offset (2 mV) to achieve ≤0.1% full-scale error in loop current accuracy across temperature. |
Use Scenario: Removing high-frequency noise from motor position encoder signals before digitization by a microcontroller. IC Role / Device Role / Timing Role: Configured as a dual-stage Sallen-Key low-pass filter (10 kHz cutoff), with each LM358AM/NOPB op-amp implementing one pole. Use Value: Uses internally compensated architecture to ensure phase margin >45° without tuning, reducing design iteration time for EMI-prone motor control boards. |
| DC Signal Conditioning for Thermocouples | Single-Supply Sensor Interface for IoT Nodes |
|
Use Scenario: Amplifying microvolt-level thermocouple outputs while rejecting cold-junction compensation errors in HVAC controllers. IC Role / Device Role / Timing Role: First op-amp acts as low-noise instrumentation preamp; second buffers cold-junction reference voltage from an NTC thermistor. Use Value: Input common-mode range including ground allows direct connection of thermocouple junction to +INA/–INA without bias resistors, cutting component count by 4. |
Use Scenario: Signal conditioning for MEMS accelerometers in battery-powered asset trackers operating from 3.3 V Li-ion cells. IC Role / Device Role / Timing Role: One op-amp conditions accelerometer output; the other drives an ADC input with rail-to-rail swing and low quiescent current (500 μA). Use Value: 500 μA total supply current enables continuous analog monitoring while extending battery life beyond 2 years in sleep-active cycling. |
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 |
|---|---|---|---|
| LM358DR | Same electrical specs and SOIC-8 package; differs only in tape-and-reel packaging (DR) vs. tube (AM/NOPB) and RoHS exemption status (NOPB = lead-free, no exemption). | No functional difference; identical performance in all circuits. Used interchangeably where packaging format and compliance requirements align. | Select LM358DR for automated SMT assembly requiring reel-fed feeders; LM358AM/NOPB preferred for prototyping or small-batch hand soldering. |
| TLV2372IDR | Lower supply current (80 μA/op-amp), rail-to-rail input/output, but narrower supply range (2.7–16 V) and lower GBW (3 MHz). Not pin-compatible - requires PCB layout change. | Better for ultra-low-power IoT nodes needing rail-to-rail I/O, but unsuitable for 24 V industrial loops or legacy 32 V designs. | Choose TLV2372IDR only when supply voltage ≤16 V and sub-100 μA quiescent current is mandatory; otherwise LM358AM/NOPB offers broader compatibility. |
Compared with LM358DR, LM358AM/NOPB offers identical analog performance with tube packaging and full RoHS compliance; compared with TLV2372IDR, it trades higher quiescent current for wider supply range and proven robustness in industrial voltage domains - making it the default choice for general-purpose dual op-amp replacement in legacy and new designs alike.
Availability
LM358AM/NOPB is available at Aetrix Electronics and suitable for industrial automation, sensor signal conditioning, and 4–20 mA transmitter designs requiring stable component supply across extended product lifecycles.
Supply support for LM358AM/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 delivering analog and embedded processing solutions, with over 50 years of op-amp innovation and manufacturing excellence.
The LM358AM/NOPB belongs to TI's legacy LMx58-N series - engineered for cost-sensitive, single-supply industrial and consumer applications where reliability, wide voltage range, and ground-sensing capability outweigh ultra-low-power or rail-to-rail I/O requirements.
FAQ
What is the maximum supply voltage for LM358AM/NOPB?
The absolute maximum supply voltage for LM358AM/NOPB is 32 V for single-supply operation (or ±16 V for dual supplies), as specified in the Absolute Maximum Ratings table. Continuous operation above 32 V risks permanent damage. For reliable long-term use, TI recommends staying within the Recommended Operating Conditions range of 3 V to 32 V, with derating above 25 V in high-temperature environments.
Does LM358AM/NOPB support rail-to-rail output swing?
LM358AM/NOPB supports rail-to-ground output swing - its output can reach within 20 mV of GND at 5 V supply with 10 kΩ load - but does not swing to the positive rail. Under same conditions, VOH is typically 27 V at V+ = 30 V (RL = 10 kΩ). This asymmetric swing is intentional for single-supply compatibility and distinguishes it from modern rail-to-rail op-amps.
Can LM358AM/NOPB drive capacitive loads?
LM358AM/NOPB can safely drive up to 50 pF capacitive loads in unity-gain non-inverting configuration without oscillation. Larger capacitances require isolation resistors (e.g., 100 Ω in series with output) or increased closed-loop gain to maintain phase margin. Driving MOSFET gates or long cables directly may cause instability and must be evaluated per application.
Is LM358AM/NOPB pin-compatible with LM2904?
Yes, LM358AM/NOPB is pin-compatible with LM2904 in SOIC-8 packages - both share identical pinout (OUTA, –INA, +INA, GND, +INB, –INB, OUTB, V+). However, LM2904 has tighter input offset voltage (2 mV max vs. 7 mV max for LM358) and extended temperature range (–40°C to +85°C), while LM358AM/NOPB is rated 0°C to +70°C and optimized for cost-sensitive general-purpose use.
What is the input bias current specification for LM358AM/NOPB?
The input bias current for LM358AM/NOPB is 45 nA typical and 250 nA maximum at 25°C, as confirmed in Section 6.6 of the official datasheet. This value applies to both inverting and non-inverting inputs and remains stable across the recommended supply range (3 V to 32 V), enabling predictable performance in high-impedance sensor interfaces without external bias compensation.
LM358AM/NOPB Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tube
- Product Status:
- Active
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 2
- Output Type:
- -
- Slew Rate:
- -
- Gain Bandwidth Product:
- 1 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 45 nA
- Voltage - Input Offset:
- 2 mV
- Current - Supply:
- 1mA
- Current - Output / Channel:
- 40 mA
- Voltage - Supply Span (Min):
- 3 V
- Voltage - Supply Span (Max):
- 32 V
- Operating Temperature:
- 0°C ~ 70°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
LM358AM/NOPB FAQ
1.How can I place an order for LM358AM/NOPB through Aetrix?
Please submit a Request for Quotation (RFQ) for LM358AM/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 LM358AM/NOPB reliable?
The price and inventory of LM358AM/NOPB are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LM358AM/NOPB is usually 5 days.
3.What payment methods are accepted for LM358AM/NOPB?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LM358AM/NOPB transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LM358AM/NOPB?
LM358AM/NOPB orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LM358AM/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 LM358AM/NOPB?
For technical support, including LM358AM/NOPB datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LM358AM/NOPB requirements.
6.How does Aetrix verify that LM358AM/NOPB is sourced from the original manufacturer or authorized distributors?
All LM358AM/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 LM358AM/NOPB meets industry standards.
7.What is the process for return or replacement of LM358AM/NOPB?
All LM358AM/NOPB units undergo pre-shipment inspection (PSI). If there is an issue with LM358AM/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 LM358AM/NOPB part is unused and in its original packaging.
Return procedure for LM358AM/NOPB:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
LM358AM/NOPB Tags
-
LM358DT
STMicroelectronics
-
LM358DR
Texas Instruments
-
LM2904DR
Texas Instruments
-
LM358ADR
Texas Instruments
-
LM2904DGKR
Texas Instruments
-
LM324DR
Texas Instruments
-
MCP6006T-E/OT
Microchip Technology
-
MCP6006UT-E/OT
Microchip Technology
-
LM324PWR
Texas Instruments
-
LM2902PWR
Texas Instruments
-
LM2902DR
Texas Instruments
-
LM358P
Texas Instruments
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