Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps

Image Part Number Description / PDF Quantity Rfq
NE5532AN

NE5532AN

Sanyo Semiconductor/ON Semiconductor

IC OPAMP GP 2 CIRCUIT 8DIP

0

LM301ADR2

LM301ADR2

Sanyo Semiconductor/ON Semiconductor

IC OPAMP GP 1 CIRCUIT 8SOIC

0

LM2902VDR2

LM2902VDR2

Sanyo Semiconductor/ON Semiconductor

IC OPAMP GP 4 CIRCUIT 14SOIC

0

TCA0372DP2G

TCA0372DP2G

Sanyo Semiconductor/ON Semiconductor

IC OPAMP GP 2 CIRCUIT 16DIP

0

LM301ANG

LM301ANG

Sanyo Semiconductor/ON Semiconductor

IC OPAMP GP 1 CIRCUIT 8DIP

0

LM258AM

LM258AM

Sanyo Semiconductor/ON Semiconductor

IC OPAMP GP 2 CIRCUIT 8SOIC

0

MC33074ADTB

MC33074ADTB

Sanyo Semiconductor/ON Semiconductor

IC OPAMP GP 4 CIRCUIT 14TSSOP

0

NE5532AD8R2

NE5532AD8R2

Sanyo Semiconductor/ON Semiconductor

IC OPAMP GP 2 CIRCUIT 8SOIC

0

LM201AVDR2

LM201AVDR2

Sanyo Semiconductor/ON Semiconductor

IC OPAMP GP 1 CIRCUIT 8SOIC

0

SE5532AD8R2

SE5532AD8R2

Sanyo Semiconductor/ON Semiconductor

IC OPAMP GP 2 CIRCUIT 8SOIC

0

NCS2002SN2T1

NCS2002SN2T1

Sanyo Semiconductor/ON Semiconductor

IC OPAMP GP 1 CIRCUIT 6TSOP

0

KA1458DTF

KA1458DTF

Sanyo Semiconductor/ON Semiconductor

IC OPAMP GP 2 CIRCUIT 8SOIC

0

KA258AD

KA258AD

Sanyo Semiconductor/ON Semiconductor

IC OPAMP GP 2 CIRCUIT 8SOIC

0

L272AD2

L272AD2

Sanyo Semiconductor/ON Semiconductor

IC OPAMP GP 2 CIRCUIT 16SOP

0

PLT-TM1128

PLT-TM1128

Sanyo Semiconductor/ON Semiconductor

INTEGRATED CIRCUIT

0

SC74LCX16373DTRG

SC74LCX16373DTRG

Sanyo Semiconductor/ON Semiconductor

INTEGRATED CIRCUIT

0

S74LCX16244DTR2G

S74LCX16244DTR2G

Sanyo Semiconductor/ON Semiconductor

INTEGRATED CIRCUIT

0

NCV20071XV53T2G

NCV20071XV53T2G

Sanyo Semiconductor/ON Semiconductor

IC OPAMP GP 1 CIRCUIT SOT553

0

LA6324NM-TLM-E

LA6324NM-TLM-E

Sanyo Semiconductor/ON Semiconductor

IC OPAMP GP 4 CIRCUIT 14MFP

0

NCS7301SN1T1G

NCS7301SN1T1G

Sanyo Semiconductor/ON Semiconductor

IC OP AMP

0

Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps

1. Overview

Linear amplifiers are analog ICs that process continuous signals with high fidelity. This category includes instrumentation amplifiers (In-Amps), operational amplifiers (OP Amps), and buffer amplifiers. They are critical in signal conditioning, filtering, and voltage amplification across electronics, medical devices, and industrial systems.

2. Main Types and Functional Classification

TypeFunctional CharacteristicsApplication Examples
Instrumentation AmplifiersHigh CMRR, low offset voltage, fixed/gain-programmableSensor bridges, medical instrumentation, precision data acquisition
Operational AmplifiersVoltage feedback, high gain, configurable circuitsActive filters, integrators, comparators, audio amplifiers
Buffer AmplifiersHigh input impedance, unity gain, drive capabilityADC drivers, signal isolation, impedance matching

3. Structure and Composition

Typical IC construction includes: - Differential Input Stage: Bipolar/JFET transistors for high impedance - Gain Stage: Cascoded amplification with laser-trimmed resistors - Output Stage: Class AB push-pull for low distortion - Protection Circuits: ESD protection, thermal shutdown Packaged in 8-20 pin configurations (SOIC, TSSOP, QFN).

4. Key Technical Specifications

ParameterImportance
Gain Bandwidth Product (GBP)Determines frequency response capability
Input Offset Voltage (Vos)Impacts DC precision in low-level signal amplification
Slew Rate (SR)Defines maximum signal transition speed
Common-Mode Rejection Ratio (CMRR)Measures noise/interference immunity
Quiescent Current (Iq)Impacts power efficiency in battery applications

5. Application Fields

  • Medical: ECG machines, blood analyzers
  • Industrial: PLCs, strain gauge interfaces
  • Consumer: Audio preamplifiers, sensor hubs
  • Telecom: Fiber optic transimpedance amplifiers
  • Automotive: Battery management system sensors

6. Leading Manufacturers and Products

ManufacturerProduct Highlights
Analog DevicesAD8221 (Instrumentation Amp), OP1177 (Precision OP Amp)
TILM741 (Classic OP Amp), INA128 (Low-power In-Amp)
STMicroelectronicsTSV912 (Rail-to-Rail OP Amp), LMV358 (Low-voltage Buffer)
MaximMAX4463 (Audio Buffer), MAX41460 (High-speed OP Amp)

7. Selection Guidelines

Key considerations: - Bandwidth vs. power consumption trade-off - Required CMRR in noisy environments - Rail-to-rail output for low-voltage systems - Temperature stability in industrial applications - Cost-sensitive vs. precision design priorities

8. Industry Trends

Future directions include: - Sub-1V operation for IoT devices - Integration with digital calibration (smart amplifiers) - GaN/SiC-based amplifiers for high-voltage applications - AI-driven parameter optimization tools - Automotive-grade amplifiers for ADAS systems

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