LM258AYDT

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LM258AYDT

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IC OPAMP GP 2 CIRCUIT 8SOIC

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仕様

属性 値
Supplier STMicroelectronics
Package Tape & Reel (TR),Cut Tape (CT)
Series Automotive, AEC-Q100
ProductStatus Active
AmplifierType General Purpose
NumberofCircuits 2
SlewRate 0.6V/µs
GainBandwidthProduct 1.1 MHz
Current-InputBias 20 nA
Voltage-InputOffset 1 mV
Current-Supply 700µA (x2 Channels)
Current-Output/Channel 40 mA
Voltage-SupplySpan(Min) 3 V
Voltage-SupplySpan(Max) 30 V
OperatingTemperature -40°C ~ 105°C
MountingType Surface Mount
Package/Case 8-SOIC (0.154, 3.90mm Width)

概要

Description

LM258AYDT is a dual general-purpose operational amplifier in the LM258A family. It provides two op-amps in an 8-pin package and supports single- or dual-supply operation (roughly 3 V to 32 V). It is not rail-to-rail; input common-mode includes ground and, with light load, outputs can swing close to the negative rail (positive swing near Vcc is limited). Typical performance (per amplifier): GBW about 1 MHz, slew rate around 0.5–0.6 V/µs, quiescent current ~0.6–0.9 mA, and input bias currents in the tens of nA to µA range. Applications include sensor signal conditioning, active filters, voltage followers, and general-purpose amplification. The DT suffix denotes the package variant (often SO-8 with tape-and-reel). For exact specs, consult the LM258AYDT datasheet.

Equivalent

Common equivalents to LM258AYDT (dual op-amp) include:
- LM358 / LM358A (TI/NS) – essentially the same device
- MC1458 (dual op-amp; typically pin-compatible)
- RC4558 / NJM4558 (dual op-amps with similar specs)
- LMV358 (low-voltage, rail-to-rail variant)
- LM2904 (dual op-amp; check pinout/specs)
Note: verify exact pinout, supply range, and input/output swing for your circuit, as specs vary by variant.

Features

LM258AYDT features (concise):
- Dual general-purpose operational amplifiers in one package
- Wide supply range: 3 V to 32 V (single) or ±1.5 V to ±16 V
- Input common-mode range includes ground
- Output can swing close to ground on a single-supply operation
- Unity-gain stable and internally compensated
- Low input bias current and low offset voltage for accuracy
- Low quiescent current suitable for low-power applications
Note: Always consult the datasheet for exact electrical characteristics and package options.

Pinout

Pin count: 8 pins.
Function: Dual operational amplifier (two op-amps). Each amplifier has non-inverting (+) and inverting (−) inputs and an output; power pins are V+ and V−. Typical pinout (8-pin package): 1 OUT A, 2 −IN A, 3 +IN A, 4 V−, 5 +IN B, 6 −IN B, 7 OUT B, 8 V+.

Manufacturer

- Manufacturer: Texas Instruments (TI).
- What kind of company: American multinational corporation that designs and manufactures semiconductors and integrated circuits, specializing in analog, mixed-signal, and embedded processing products for global markets.

Application

LM258AYDT is a low‑power dual operational amplifier (LM258 family), similar to LM358, usable in single- or dual-supply designs. Typical application areas:
- Sensor signal conditioning and buffering (thermistors, photodiodes, pressure, temp sensors)
- Active filters (low/high/band-pass, Sallen‑Key, multiple‑feedback)
- Analog front‑ends for ADCs (impedance matching and level shifting)
- General analog amplification (voltage followers, inverting/non‑inverting amps, summers, integrators, differentiators)
- Power‑supply regulation and control loops (error amplifiers)
- Portable/industrial electronics requiring compact, dual op‑amp solutions
Note: not strictly rail‑to‑rail; plan for headroom near supply rails.

Package

LM258AYDT uses an 8-pin small-outline package (SOIC-8 / SOP-8).

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