Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps

Image Part Number Description / PDF Quantity Rfq
LM2904YPT

LM2904YPT

STMicroelectronics

IC OPAMP GP 2 CIRCUIT 8TSSOP

5312

TSV6292AIDT

TSV6292AIDT

STMicroelectronics

IC OPAMP GP 2 CIRCUIT 8SO

0

UA741IDT

UA741IDT

STMicroelectronics

IC OPAMP GP 1 CIRCUIT 8SO

4321

TS1874AIYPT

TS1874AIYPT

STMicroelectronics

IC OPAMP GP 4 CIRCUIT 14TSSOP

0

LM2904Q2T

LM2904Q2T

STMicroelectronics

IC OPAMP GP 2 CIRCUIT 8DFN

31298

TSX634AIYPT

TSX634AIYPT

STMicroelectronics

IC OPAMP GP 4 CIRCUIT 14TSSOP

0

TSV7722IST

TSV7722IST

STMicroelectronics

HIGH BANDWIDTH (22MHZ) LOW OFFSE

1000

TSV358AIYDT

TSV358AIYDT

STMicroelectronics

IC OPAMP GP 2 CIRCUIT 8SO

2099

TSV852IYST

TSV852IYST

STMicroelectronics

IC OPAMP GP 2 CIRCUIT 8MINISO

0

TSV321RIYLT

TSV321RIYLT

STMicroelectronics

IC OPAMP GP 1 CIRCUIT SOT23-5

42

TS272BIDT

TS272BIDT

STMicroelectronics

IC OPAMP GP 2 CIRCUIT 8SO

1233

L272D

L272D

STMicroelectronics

IC OPAMP GP 2 CIRCUIT 16SO

9242

TS27L4AIDT

TS27L4AIDT

STMicroelectronics

IC OPAMP GP 4 CIRCUIT 14SO

4830

TS921ID

TS921ID

STMicroelectronics

IC OPAMP GP 1 CIRCUIT 8SO

1784

TSV850AILT

TSV850AILT

STMicroelectronics

IC OPAMP GP 1 CIRCUIT SOT23-6

0

LF353DT

LF353DT

STMicroelectronics

IC OPAMP JFET 2 CIRCUIT 8SO

9297

TS1871IDT

TS1871IDT

STMicroelectronics

IC OPAMP GP 1 CIRCUIT 8SO

0

LM124DT

LM124DT

STMicroelectronics

IC OPAMP GP 4 CIRCUIT 14SO

7084

TS922AIDT

TS922AIDT

STMicroelectronics

IC OPAMP GP 2 CIRCUIT 8SO

2093

TSV631AICT

TSV631AICT

STMicroelectronics

IC OPAMP GP 1 CIRCUIT SC70-5

2440

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