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STMicroelectronics LM258AWYDT
- Part No.:
- LM258AWYDT
- Manufacturer:
- STMicroelectronics
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
LM258AWYDT.pdf
- Description:
- IC OPAMP GP 2 CIRCUIT 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:2,441
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Product details
Overview
LM258AWYDT from STMicroelectronics is a low-power dual operational amplifier in automotive-grade SO8 package, designed for single-supply operation from 3 V to 30 V. It delivers 100 dB large-signal voltage gain, 1.1 MHz unity-gain bandwidth, 2 mV input offset voltage, and rail-to-rail output swing down to 0 V - enabling precision signal conditioning in battery-powered and automotive sensor interfaces.
For engineers reviewing the LM258AWYDT datasheet, LM258AWYDT pinout, LM258AWYDT application, or LM258AWYDT equivalent, key selection criteria include its AEC-Q100 qualified automotive temperature range (−40 °C to +105 °C), 20 nA max input bias current, 2 kV HBM ESD rating, and ability to operate with input common-mode voltage extending to ground - critical for transducer amplification and DC-coupled industrial sensing.
Technical Context
The LM258AWYDT integrates two independent high-gain op-amps with internal frequency compensation, optimized for stable unity-gain operation across temperature and supply voltage. Its input stage uses PNP transistors enabling ground-sensing capability, while the output stage supports sourcing up to 40 mA and sinking up to 20 mA at VCC = 15 V.
It features temperature-compensated parameters including 7 µV/°C input offset drift and 10 pA/°C input offset current drift, ensuring consistent DC accuracy over −40 °C to +105 °C. The device maintains 65 dB minimum supply voltage rejection ratio (SVR) and 70 dB common-mode rejection ratio (CMRR) under full operating conditions.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 3 V to 30 V - enables direct interface with 5 V logic systems and 12 V/24 V automotive rails without level-shifting. |
| Input Offset Voltage | 2 mV max - ensures ≤20 mV error in unity-gain buffer applications at room temperature. |
| Large-Signal Voltage Gain | 50 V/mV min - provides ≥100 dB open-loop gain for high-precision closed-loop configurations. |
| Unity-Gain Bandwidth | 1.1 MHz typ - supports audio-band amplification and low-frequency sensor signal conditioning. |
| Slew Rate | 0.6 V/µs typ - limits full-power bandwidth to ~95 kHz, suitable for DC–100 kHz analog front-ends. |
| Input Bias Current | 20 nA max - minimizes voltage drop across high-impedance source networks (e.g., thermistor or pH electrode interfaces). |
| Output Voltage Swing | 0 V to (VCC+ − 1.5 V) - allows true ground-referenced output in single-supply systems. |
| ESD Rating (HBM) | 2 kV - meets IEC 61000-4-2 Level 2 requirements for board-level robustness in automotive ECUs. |
Pinout & Package
LM258AWYDT is housed in an automotive-qualified SO8 (Small Outline 8-pin) plastic package per ECOPACK® specifications, with 1.27 mm pitch, 4.9 mm × 6.0 mm body, and 1.75 mm height. Thermal resistance junction-to-ambient is 125 °C/W.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Output 1 | Amplifier 1 output node; capable of sourcing 40 mA / sinking 20 mA into 2 kΩ load. |
| 2 | Inverting Input 1 | Differential input terminal for Amp 1; accepts common-mode voltages from −0.3 V to VCC+ − 1.5 V. |
| 3 | Non-inverting Input 1 | Differential input terminal for Amp 1; shares same voltage range and ESD protection as Pin 2. |
| 4 | VCC− (GND) | Power reference for single-supply operation; must be connected to system ground plane for stability. |
| 5 | Non-inverting Input 2 | Differential input terminal for Amp 2; electrically isolated but thermally coupled to Amp 1 inputs. |
| 6 | Inverting Input 2 | Differential input terminal for Amp 2; exhibits matched offset and bias characteristics with Pins 2–3. |
| 7 | Output 2 | Amplifier 2 output node; channel separation >120 dB at 1–20 kHz prevents crosstalk in dual-channel designs. |
| 8 | VCC+ | Positive supply rail; supports up to +32 V absolute maximum, but functional operation limited to 3–30 V. |
Key Features
| Feature | Design Value |
|---|---|
| Automotive qualification | AEC-Q100 Grade 2 (−40 °C to +105 °C), with advanced screening per AEC-Q001/Q002 - validated for engine control, body electronics, and ADAS sensor modules. |
| Ground-sensing input stage | Input common-mode range includes 0 V - eliminates need for negative supply in bridge sensor or current-sense amplifier topologies. |
| Low quiescent current | 0.7 mA max per amplifier at 5 V - enables always-on operation in battery-backed systems with <1.4 mA total supply draw. |
| Internal frequency compensation | Unity-gain stable without external components - simplifies PCB layout and reduces BOM count in cost-sensitive designs. |
| Rail-to-rail compatible output | Swings to 0 V (sinking) and within 1.5 V of VCC+ (sourcing) - maximizes dynamic range in 3.3 V or 5 V microcontroller ADC interfaces. |
| High channel isolation | 120 dB channel separation at 1–20 kHz - preserves signal integrity in dual-path signal chains such as stereo audio preamps or differential sensor pairs. |
Applications
| Automotive Cabin Temperature Sensor Interface | Industrial 4–20 mA Loop Receiver |
|---|---|
|
Use Scenario: Amplifying output of NTC thermistor network mounted in vehicle HVAC ducts, operating from 5 V supply with ambient temperature from −40 °C to +85 °C. IC Role / Device Role / Timing Role: Dual op-amp configured as precision non-inverting amplifier (Ch1) and reference buffer (Ch2) for ratiometric ADC measurement. Use Value: 2 mV input offset and 7 µV/°C drift ensure ≤0.5 °C measurement error across full cabin temperature range without calibration. |
Use Scenario: Converting 4–20 mA current loop signal from pressure transmitter into 0.5–2.5 V analog voltage for microcontroller ADC sampling in factory automation PLCs. IC Role / Device Role / Timing Role: Transimpedance amplifier (Ch1) with 125 Ω feedback resistor and unity-gain buffer (Ch2) driving ADC input. Use Value: 20 nA input bias current avoids >2.5 µA error in 125 Ω shunt, preserving 12-bit resolution across full 4–20 mA span. |
| Smart Home CO₂ Sensor Signal Conditioning | Medical Patient Monitor Lead-off Detection |
|
Use Scenario: Amplifying low-amplitude AC signal from NDIR CO₂ detector photodiode, powered from 3.3 V coin-cell backup supply. IC Role / Device Role / Timing Role: AC-coupled inverting amplifier (Ch1) with 100 kHz bandwidth and active low-pass filter (Ch2) suppressing 50/60 Hz interference. Use Value: 0.6 V/µs slew rate and 1.1 MHz GBW support clean 10 kHz modulation envelope detection without phase distortion. |
Use Scenario: Monitoring electrode impedance in ECG front-end to detect lead detachment during patient monitoring, operating from ±5 V split supply derived from single 9 V battery. IC Role / Device Role / Timing Role: Instrumentation amplifier input stage (dual op-amp configured as 3-op-amp IA) with adjustable gain and DC-coupled output. Use Value: Input common-mode range extending to ground enables accurate measurement of sub-100 mV electrode offsets without level-shifting circuitry. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual operational amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LM2904VQDR | Higher input offset voltage (3 mV max), wider temp range (−40 °C to +125 °C), same SO8 package and pinout. | Qualified to AEC-Q100 Grade 0; better suited for under-hood applications exceeding +105 °C ambient. | Select when extended temperature margin is required and 1 mV higher offset is acceptable. |
| TSV912IDT | Higher GBW (8 MHz), lower input noise (14 nV/√Hz), but only 12 V max supply and no AEC-Q100 qualification. | Not automotive-qualified; intended for consumer/industrial portable devices requiring higher speed and lower noise. | Select only for non-automotive designs where 1.1 MHz bandwidth is insufficient and AEC-Q100 is not mandated. |
Compared with LM258AWYDT, LM2904VQDR trades 1 mV higher offset for +20 °C higher junction temperature tolerance, while TSV912IDT sacrifices automotive qualification and supply voltage range to deliver 7× higher bandwidth and ¼ input noise - making LM258AWYDT optimal for cost-sensitive, ground-sensing, AEC-Q100-compliant dual-op-amp roles.
Availability
LM258AWYDT is available at Aetrix Electronics and suitable for automotive sensor interfaces, industrial 4–20 mA receivers, and medical lead-off detection circuits requiring stable component supply with AEC-Q100 compliance and long-term lifecycle assurance.
Supply support for LM258AWYDT 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
STMicroelectronics is a global semiconductor leader headquartered in Geneva, Switzerland, designing and manufacturing silicon solutions for automotive, industrial, and power management applications.
LM258AWYDT belongs to ST's legacy precision analog portfolio, engineered specifically for robust, low-cost dual op-amp functionality in automotive and industrial environments where ground-referenced operation and AEC-Q100 reliability are mandatory.
FAQ
Is LM258AWYDT pin-compatible with standard LM258 series op-amps?
Yes, LM258AWYDT uses the industry-standard SO8 pinout defined for dual op-amps: Pin 1 = Out1, Pin 2 = In−1, Pin 3 = In+1, Pin 4 = VCC−, Pin 5 = In+2, Pin 6 = In−2, Pin 7 = Out2, Pin 8 = VCC+. This matches LM258WDT, LM258AWDT, and LM2904 variants, enabling drop-in replacement in existing layouts where automotive qualification is added.
What is the maximum capacitive load LM258AWYDT can drive without instability?
LM258AWYDT is unity-gain stable up to 100 pF capacitive load, as verified in Figure 17 (Phase Margin vs. Capacitive Load) of the datasheet. Driving >100 pF requires series output resistance (≥100 Ω) or external compensation; typical applications with 10 kΩ feedback resistors and 100 pF bypass caps remain stable without modification.
Does LM258AWYDT support rail-to-rail input operation?
No - LM258AWYDT supports rail-to-rail *output* swing (0 V to VCC+ − 1.5 V), but its input common-mode range extends only to VCC+ − 1.5 V on the high side and to −0.3 V on the low side. However, the inclusion of ground in the input range (0 V minimum) enables true single-supply operation with sensors referenced to system ground.
Can LM258AWYDT be used as a comparator?
While not optimized for comparator use, LM258AWYDT can function as a slow comparator in non-critical applications due to its open-loop configuration and wide supply range. However, it lacks internal hysteresis and has slow recovery from saturation (typ. 10 µs); dedicated comparators like TS882IDT are recommended for timing-critical or high-speed threshold detection.
LM258AWYDT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Series:
- -
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 2
- Output Type:
- -
- Slew Rate:
- 0.6V/µs
- Gain Bandwidth Product:
- 1.1 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 20 nA
- Voltage - Input Offset:
- 1 mV
- Current - Supply:
- 700µA (x2 Channels)
- Current - Output / Channel:
- 40 mA
- Voltage - Supply Span (Min):
- 3 V
- Voltage - Supply Span (Max):
- 30 V
- Operating Temperature:
- -40°C ~ 105°C
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
LM258AWYDT FAQ
1.How can I place an order for LM258AWYDT through Aetrix?
Please submit a Request for Quotation (RFQ) for LM258AWYDT 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 LM258AWYDT reliable?
The price and inventory of LM258AWYDT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LM258AWYDT is usually 5 days.
3.What payment methods are accepted for LM258AWYDT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LM258AWYDT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LM258AWYDT?
LM258AWYDT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LM258AWYDT 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 LM258AWYDT?
For technical support, including LM258AWYDT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LM258AWYDT requirements.
6.How does Aetrix verify that LM258AWYDT is sourced from the original manufacturer or authorized distributors?
All LM258AWYDT 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 LM258AWYDT meets industry standards.
7.What is the process for return or replacement of LM258AWYDT?
All LM258AWYDT units undergo pre-shipment inspection (PSI). If there is an issue with LM258AWYDT, 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 LM258AWYDT part is unused and in its original packaging.
Return procedure for LM258AWYDT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
LM258AWYDT Tags
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LM358DT
STMicroelectronics
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LM358DR
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LM2904DR
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LM358ADR
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MCP6006UT-E/OT
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