Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps

Image Part Number Description / PDF Quantity Rfq
TSB712AIST

TSB712AIST

STMicroelectronics

IC OPAMP GP 2 CIRCUIT 8MINISO

0

TSV911RILT

TSV911RILT

STMicroelectronics

IC OPAMP GP 1 CIRCUIT SOT23-5

2658

TS924AIPT

TS924AIPT

STMicroelectronics

IC OPAMP GP 4 CIRCUIT 14TSSOP

3065

LM2904WHDT

LM2904WHDT

STMicroelectronics

IC OPAMP GP 2 CIRCUIT 8SO

0

TSX634IQ4T

TSX634IQ4T

STMicroelectronics

IC OPAMP GP 4 CIRCUIT 16QFN

5623

TSV524AIPT

TSV524AIPT

STMicroelectronics

IC CMOS 4 CIRCUIT 14TSSOP

5000

TSX631AILT

TSX631AILT

STMicroelectronics

IC OPAMP GP 1 CIRCUIT SOT23-5

0

TS952IPT

TS952IPT

STMicroelectronics

IC OPAMP GP 2 CIRCUIT 8TSSOP

748

CS30BL

CS30BL

STMicroelectronics

IC CURR SENSE 1 CIRCUIT SOT23-5

6892

MC3403DT

MC3403DT

STMicroelectronics

IC OPAMP GP 4 CIRCUIT 14SO

3547

TSB711AIYLT

TSB711AIYLT

STMicroelectronics

PRECISION, 6 MHZ, RR IO, 36 V BI

1000

LMV825AIPT

LMV825AIPT

STMicroelectronics

IC OPAMP GP 4 CIRCUIT 16TSSOP

0

TL081ACDT

TL081ACDT

STMicroelectronics

IC OPAMP JFET 1 CIRCUIT 8SO

0

LMV821AIYLT

LMV821AIYLT

STMicroelectronics

IC OPAMP GP 1 CIRCUIT SOT23-5

0

TS922IYDT

TS922IYDT

STMicroelectronics

IC OPAMP GP 2 CIRCUIT 8SO

3

TS1874AIDT

TS1874AIDT

STMicroelectronics

IC OPAMP GP 4 CIRCUIT 14SO

0

TSX7192IDT

TSX7192IDT

STMicroelectronics

IC OPAMP GP 8.5MHZ 8SO

0

TSV991AILT

TSV991AILT

STMicroelectronics

IC OPAMP GP 1 CIRCUIT SOT23-5

6489

TSV731ICT

TSV731ICT

STMicroelectronics

IC OPAMP GP 1 CIRCUIT SC70-5

0

LM2904WHYDT

LM2904WHYDT

STMicroelectronics

IC OPAMP GP 2 CIRCUIT 8SO

2296

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