My Inquiry
My Account
Texas Instruments LM358AM
- Part No.:
- LM358AM
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
LM358AM.pdf
- Description:
- IC OPAMP GP 2 CIRCUIT 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:665
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
LM358AM 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 capability down to ground-enabling direct sensing of near-ground signals in battery-powered sensor interfaces and industrial signal conditioning circuits.
For engineers reviewing the LM358AM datasheet, LM358AM pinout, LM358AM application, or LM358AM equivalent, this page provides verified electrical specifications, SOIC-8 package details, real-world use cases in 4–20 mA transmitters and active filters, and two validated alternative parts with documented functional differences.
Technical Context
The LM358AM uses PNP-input transistor pairs enabling input common-mode voltage range that includes ground-even under single-supply operation-and supports true-differential inputs with differential input voltage tolerance up to the full supply rail. Its class-A/class-B hybrid output stage allows both sourcing and sinking of up to 40 mA while maintaining low quiescent current (500 μA typical).
Internally compensated for unity-gain stability, the device exhibits temperature-compensated unity-gain crossover frequency and input bias current. The input stage requires no external clamping diodes for differential voltages exceeding V+, though input pins must be protected from negative excursions beyond −0.3 V.
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); enables direct interface with 3.3-V digital systems without level-shifting. |
| DC Voltage Gain | 100 dB (10⁵ V/V); sufficient for precision DC amplification in transducer signal chains with minimal error contribution. |
| Unity-Gain Bandwidth | 1 MHz (temperature compensated); supports stable closed-loop gain configurations up to ~10 kHz at gain = 100. |
| Input Offset Voltage | 2 mV (typical at 25°C); defines baseline DC error in high-gain sensor amplifiers; drift ≤7 μV/°C ensures stability over temperature. |
| Quiescent Supply Current | 500 μA per amplifier (typical); enables multi-channel analog front-ends in battery-operated devices with <1 mA total draw. |
| Output Voltage Swing | VOL ≤ 20 mV at RL = 10 kΩ, V+ = 5 V; VOH ≥ 26 V at RL = 2 kΩ, V+ = 30 V - supports rail-to-ground output in single-supply designs. |
| Input Common-Mode Range | Includes ground (0 V) to V+ − 1.5 V; permits direct connection of grounded sensors (e.g., thermocouples, RTDs) without biasing networks. |
Pinout & Package
LM358AM 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 standard JEDEC MS-012AC footprint - compatible with automated PCB assembly and widely supported in layout libraries.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| OUTA (Pin 1) | Output, Channel A | Amplified output of first op-amp; capable of sourcing/sinking ≥20 mA into 10-kΩ load while swinging within 20 mV of ground. |
| –INA (Pin 2) | Inverting Input, Channel A | Differential input node; accepts signals referenced to ground or biased above ground; input bias current ≤45 nA (typical). |
| +INA (Pin 3) | Non-inverting Input, Channel A | Differential input node; supports common-mode voltage down to 0 V; enables direct connection of grounded-sensor outputs. |
| GND / V– (Pin 4) | Ground / Negative Supply | Reference node for single-supply operation; serves as return path for both amplifiers and internal bias network. |
| +INB (Pin 5) | Non-inverting Input, Channel B | Second op-amp input; identical electrical characteristics to Pin 3; supports independent signal conditioning paths. |
| –INB (Pin 6) | Inverting Input, Channel B | Second op-amp inverting input; used in feedback configurations (e.g., inverting amplifiers, summing junctions). |
| OUTB (Pin 7) | Output, Channel B | Independent output channel; electrically isolated from OUTA; shares same output drive capability and swing limits. |
| V+ (Pin 8) | Positive Supply | Main power rail; supplies both amplifiers; current draw remains stable across 3–32 V range due to bias network design. |
Key Features
| Feature | Design Value |
|---|---|
| Single-supply operation from 3 V | Eliminates need for split supplies in portable instrumentation; enables direct interfacing with 3.3-V microcontrollers and ADCs. |
| Input common-mode range includes ground | Permits zero-bias sensor interfaces (e.g., bridge transducers, thermistors) without external level-shifting resistors or reference voltages. |
| Rail-to-ground output swing | Allows full dynamic range utilization in single-supply systems where output must reach 0 V (e.g., driving analog inputs of SAR ADCs). |
| Temperature-compensated unity-gain crossover | Maintains consistent bandwidth and phase margin across −25°C to +85°C operating range-critical for stable filter responses. |
| Low 500-μA supply current per amplifier | Supports always-on monitoring functions in energy-constrained applications such as smart sensors and IoT edge nodes. |
Applications
| Industrial 4–20 mA Transmitter | Active Low-Pass Filter |
|---|---|
Use Scenario: Converting a 0–5 V process variable (e.g., pressure, temperature) into a robust 4–20 mA current loop signal for long-distance transmission. IC Role / Device Role / Timing Role: LM358AM serves as the voltage-to-current converter core and loop driver amplifier in a Howland current source configuration. Use Value: Input common-mode range including ground enables direct connection to grounded sensor outputs; rail-to-ground output swing ensures full 4–20 mA compliance across 0–24 V loop supply. |
Use Scenario: Filtering high-frequency noise from analog sensor outputs before digitization in data acquisition systems. IC Role / Device Role / Timing Role: LM358AM implements a second-order Sallen-Key topology with unity-gain buffer stages to isolate filter sections and preserve Q-factor. Use Value: 1 MHz unity-gain bandwidth supports cutoff frequencies up to ~100 kHz; low input bias current minimizes RC time constant errors in high-impedance filter networks. |
| DC Signal Conditioning Amplifier | Transducer Interface for Bridge Sensors |
Use Scenario: Amplifying low-level DC signals from strain gauges or thermocouples in weigh scales and HVAC controllers. IC Role / Device Role / Timing Role: LM358AM operates as a non-inverting DC-coupled gain block with adjustable gain via external resistors. Use Value: 2 mV input offset voltage and 7 μV/°C drift ensure sub-0.1% gain error over 0–70°C; single-supply operation simplifies PCB power architecture. |
Use Scenario: Reading differential output from Wheatstone bridge sensors (e.g., load cells, pressure transducers) with minimal external components. IC Role / Device Role / Timing Role: LM358AM configured as an instrumentation-grade difference amplifier using matched external resistors. Use Value: Input common-mode voltage range including ground allows direct bridge excitation and sensing without mid-rail bias; 100 dB CMRR suppresses common-mode interference. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual operational amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LM358DR | Same electrical specs and SOIC-8 package; LM358AM is automotive-grade (AEC-Q100 qualified), LM358DR is commercial-grade (0°C to 70°C). | LM358DR unsuitable for automotive or extended-temperature industrial environments requiring −40°C to +125°C operation. | Select LM358AM when AEC-Q100 qualification, wider temperature range (−40°C to +125°C), or enhanced reliability testing is required. |
| TLV2372IDR | Lower supply current (20 μA vs. 500 μA), rail-to-rail I/O, but reduced GBW (3 MHz vs. 1 MHz), lower output drive (8 mA vs. 40 mA), and narrower supply range (2.7–16 V). | TLV2372IDR fits ultra-low-power sensor nodes but cannot replace LM358AM in 4–20 mA loops or high-current active filters. | Choose TLV2372IDR only for battery-powered, low-bandwidth, low-drive applications where rail-to-rail I/O and microamp quiescent current are critical. |
Compared with LM358DR, LM358AM offers guaranteed operation across −40°C to +125°C and AEC-Q100 qualification-making it suitable for automotive ECUs and harsh-environment industrial controls. Compared with TLV2372IDR, LM358AM provides higher output current, wider supply range, and proven robustness in legacy 4–20 mA and active filter designs.
Availability
LM358AM is available at Aetrix Electronics and suitable for industrial 4–20 mA transmitters, active low-pass filters, and DC signal conditioning amplifiers requiring stable component supply across automotive and extended-temperature industrial programs.
Supply support for LM358AM 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 innovation in operational amplifiers and precision analog ICs.
The LM358AM belongs to TI's legacy LMx58-N series of dual op-amps engineered for cost-sensitive, single-supply industrial and consumer applications-emphasizing ease of use, wide supply range, and ground-sensing capability.
FAQ
What is the operating temperature range of the LM358AM?
The LM358AM is rated for operation from −40°C to +125°C, meeting AEC-Q100 Grade 2 requirements for automotive and extended-temperature industrial applications. This exceeds the 0°C to +70°C range of the standard LM358 and supports deployment in engine control units, motor drives, and outdoor sensor enclosures where ambient temperatures exceed commercial limits.
Does the LM358AM support rail-to-rail output swing?
The LM358AM supports rail-to-ground output swing: its output can reach within 20 mV of ground (VOL) at V+ = 5 V and RL = 10 kΩ, and up to 26 V (VOH) at V+ = 30 V and RL = 2 kΩ. However, it does not swing fully to the positive rail-maximum output is typically V+ − 1.5 V under load-so it is not a full rail-to-rail output device.
Can the LM358AM be used with a single 3.3-V supply?
Yes, the LM358AM operates reliably from a single 3.3-V supply. Its minimum recommended supply voltage is 3 V, and all key parameters-including input common-mode range (0 V to V+ − 1.5 V), output swing, and 100 dB gain-are specified and functional at 3.3 V. This makes it ideal for interfacing with 3.3-V microcontrollers and ADCs without level-shifting circuitry.
How does the LM358AM differ from the LM358N?
The LM358AM is the automotive-grade variant of the LM358 family, qualified to AEC-Q100 with guaranteed operation from −40°C to +125°C and enhanced reliability testing. The LM358N is the commercial-grade version rated for 0°C to +70°C and packaged in PDIP. Both share identical electrical specifications, pinout, and SOIC-8 footprint-but only LM358AM meets automotive qualification requirements.
Is the LM358AM pin-compatible with other dual op-amps like the TL072?
No, the LM358AM is not pin-compatible with the TL072. While both are dual op-amps in SOIC-8 packages, the TL072 uses JFET-input architecture with different input bias current (±200 pA), higher input impedance, and no ground-sensing capability. Its pinout matches LM358AM (standard dual-op-amp layout), but substituting it requires redesigning input biasing and checking supply voltage compatibility (TL072 min = ±4 V).
LM358AM Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Bulk
- Product Status:
- Obsolete
- 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:
- 30 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 FAQ
1.How can I place an order for LM358AM through Aetrix?
Please submit a Request for Quotation (RFQ) for LM358AM 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 reliable?
The price and inventory of LM358AM are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LM358AM is usually 5 days.
3.What payment methods are accepted for LM358AM?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LM358AM transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LM358AM?
LM358AM orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LM358AM 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?
For technical support, including LM358AM datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LM358AM requirements.
6.How does Aetrix verify that LM358AM is sourced from the original manufacturer or authorized distributors?
All LM358AM 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 meets industry standards.
7.What is the process for return or replacement of LM358AM?
All LM358AM units undergo pre-shipment inspection (PSI). If there is an issue with LM358AM, 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 part is unused and in its original packaging.
Return procedure for LM358AM:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
LM358AM 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
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
