Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps

Image Part Number Description / PDF Quantity Rfq
NJU7096D

NJU7096D

New Japan Radio (NJR)

IC OPAMP GP 2 CIRCUIT 8DIP

0

NJM2717RB1-TE1

NJM2717RB1-TE1

New Japan Radio (NJR)

IC OPAMP GP 2 CIRCUIT 8TVSP

0

NJM5532D

NJM5532D

New Japan Radio (NJR)

IC OPAMP GP 2 CIRCUIT 8DIP

8244

NJM2749AD

NJM2749AD

New Japan Radio (NJR)

IC OPAMP GP 2 CIRCUIT 8DIP

0

NJM064D

NJM064D

New Japan Radio (NJR)

IC OPAMP JFET 4 CIRCUIT 14DIP

405

NJM8202V-TE1

NJM8202V-TE1

New Japan Radio (NJR)

IC OPAMP GP 2 CIRCUIT 8VSP

0

NJM2748AD

NJM2748AD

New Japan Radio (NJR)

IC OPAMP JFET 1 CIRCUIT 8DIP

0

NJU7004D#

NJU7004D#

New Japan Radio (NJR)

IC OPAMP GP 4 CIRCUIT 14DIP

0

NJU7054M

NJU7054M

New Japan Radio (NJR)

IC OPAMP GP 4 CIRCUIT 14DMP

290

NJM12904M-TE1

NJM12904M-TE1

New Japan Radio (NJR)

IC OPAMP GP 2 CIRCUIT 8DMP

0

NJM14558D

NJM14558D

New Japan Radio (NJR)

IC OPAMP GP 2 CIRCUIT 8DIP

0

NJU7054M#

NJU7054M#

New Japan Radio (NJR)

IC OPAMP GP 4 CIRCUIT 14DMP

0

NJM2140R-TE1

NJM2140R-TE1

New Japan Radio (NJR)

IC OPAMP GP 2 CIRCUIT 8VSP

0

NJU7004M#

NJU7004M#

New Japan Radio (NJR)

IC OPAMP GP 4 CIRCUIT 14DMP

0

NJU7024D#

NJU7024D#

New Japan Radio (NJR)

IC OPAMP GP 4 CIRCUIT 14DIP

0

NJU7034M

NJU7034M

New Japan Radio (NJR)

IC OPAMP GP 4 CIRCUIT 14DMP

0

NJM4558CG-TE2

NJM4558CG-TE2

New Japan Radio (NJR)

IC OPAMP GP 2 CIRCUIT 8SOP

2194

NJM3404AD

NJM3404AD

New Japan Radio (NJR)

IC OPAMP GP 2 CIRCUIT 8DIP

0

NJM4558D

NJM4558D

New Japan Radio (NJR)

IC OPAMP GP 2 CIRCUIT 8DIP

4602

NJM2716F-TE1#

NJM2716F-TE1#

New Japan Radio (NJR)

IC OPAMP GP 1 CIRCUIT SOT23-5

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

RFQ BOM Call Skype Email
Top