LM258DMR2G

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LM258DMR2G

IC OPAMP GP 2 CIRCUIT 8MSOP

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規格

Supplier onsemi,Rochester Electronics, LLC
Package Tape & Reel (TR),Cut Tape (CT),Bulk
ProductStatus Active
AmplifierType General Purpose
NumberofCircuits 2
GainBandwidthProduct 1 MHz
Current-InputBias 45 nA
Voltage-InputOffset 2 mV
Current-Supply 800µA (x2 Channels)
Current-Output/Channel 40 mA
Voltage-SupplySpan(Min) 3 V
Voltage-SupplySpan(Max) 32 V
OperatingTemperature -25°C ~ 85°C
MountingType Surface Mount
Package/Case 8-TSSOP, 8-MSOP (0.118, 3.00mm Width)

概述

Description

The LM258DMR2G is a Texas Instruments dual general‑purpose operational amplifier in an 8‑pin package. It belongs to the LM258 family (similar to LM358) and is intended for low‑power analog amplification in single‑supply or dual‑supply designs.
Key points:
- Two identical op‑amps in one package
- Unity‑gain stable
- Wide supply range (typical 3 V to 32 V)
- Not rail‑to‑rail input or output (input can include ground on single supply; outputs don’t reach the rails under all loads)
- RoHS/compliant packaging variants available (DMR2G denotes a specific 8‑pin package variant)
Common applications: sensor signal conditioning, audio preamplifiers, active filters, and general purpose amplification.
For exact electrical specs (input/output ranges, slew rate, offset, temperature range, and rail behavior) and to confirm the exact package variant, consult the LM258DMR2G datasheet.

Features

Key features of LM258DMR2G (dual general-purpose op-amps):
- Dual, general-purpose operational amplifiers
- Wide supply range: 3 V to 32 V (single) or ±1.5 V to ±16 V (dual)
- Unity-gain stable
- Input common-mode range includes the negative rail
- Output swing near the negative rail (not rail-to-rail at the positive rail; depends on load)
- Suitable for single-supply or dual-supply operation
- Low bias current and typical low input-offset voltage
- Internal short-circuit protection
- 8-pin package; RoHS-compliant (Green) packaging

Package

8-pin surface-mount, SOIC-8 package (Pb-free/RoHS compliant).

Pinout

8 pins. It is a dual general-purpose operational amplifier (two op-amps in one package). Pinout (typical for LM258 family in an 8-pin package):
- Pin 1 = Output A
- Pin 2 = Inverting Input A
- Pin 3 = Non-inverting Input A
- Pin 4 = V−
- Pin 5 = Non-inverting Input B
- Pin 6 = Inverting Input B
- Pin 7 = Output B
- Pin 8 = V+

Manufacturer

- Manufacturer: Texas Instruments (TI).
- What kind of company: An American multinational corporation that designs, manufactures, and sells semiconductors and integrated circuits, especially analog and mixed-signal ICs; one of the world's largest semiconductor companies.

Application

LM258DMR2G is a general-purpose dual op-amp. Common application areas:
- Sensor signal conditioning (thermistors, RTDs, strain gauges, photodiodes)
- Active filters and oscillators
- Buffering/impedance matching for ADCs/DACs
- DC servo and voltage/regulation/error-amplifier circuits
- Audio preamplification and simple mixing
- Battery-powered/single-supply systems (3–32 V)
Notes: not rail-to-rail output; suitable for low-power, general analog tasks.

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