Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps

Image Part Number Description / PDF Quantity Rfq
LM258D

LM258D

STMicroelectronics

IC GP OPAMP 2 CIRCUIT 8SO

61108

LM358ADT

LM358ADT

STMicroelectronics

IC OPAMP GP 2 CIRCUIT 8SO

1046

TSV624AIPT

TSV624AIPT

STMicroelectronics

IC OPAMP GP 4 CIRCUIT 14TSSOP

0

MC1458DT

MC1458DT

STMicroelectronics

IC OPAMP GP 2 CIRCUIT 8SO

7290

LM358QT

LM358QT

STMicroelectronics

IC OPAMP GP 2 CIRCUIT 8DFN

70367

TSX564IYPT

TSX564IYPT

STMicroelectronics

IC OPAMP GP 4 CIRCUIT 14TSSOP

2371

LM358APT

LM358APT

STMicroelectronics

IC OPAMP GP 2 CIRCUIT 8TSSOP

3727

TSV6192AIST

TSV6192AIST

STMicroelectronics

IC OPAMP GP 2 CIRCUIT 8MINISO

0

LMV822AIDT

LMV822AIDT

STMicroelectronics

IC OPAMP GP 2 CIRCUIT 8SO

1775

CS70P

CS70P

STMicroelectronics

IC CURR SENSE 1 CIRCUIT 8TSSOP

4241

LM248DT

LM248DT

STMicroelectronics

IC OPAMP GP 4 CIRCUIT 14SO

2405

TS914ID

TS914ID

STMicroelectronics

IC OPAMP GP 4 CIRCUIT 14SO

163

TSV911IYLT

TSV911IYLT

STMicroelectronics

IC OPAMP GP 1 CIRCUIT SOT23-5

0

TSH310ILT

TSH310ILT

STMicroelectronics

IC OPAMP CFA 1 CIRCUIT SOT23-5

0

TS934IDT

TS934IDT

STMicroelectronics

IC OPAMP GP 4 CIRCUIT 14SO

2080

TS972IDT

TS972IDT

STMicroelectronics

IC OPAMP GP 2 CIRCUIT 8SO

0

TS27L2BIDT

TS27L2BIDT

STMicroelectronics

IC OPAMP GP 2 CIRCUIT 8SO

2496

LMX324IDT

LMX324IDT

STMicroelectronics

IC OPAMP GP 4 CIRCUIT 14SO

0

LMX321ICT

LMX321ICT

STMicroelectronics

IC OPAMP GP 1 CIRCUIT SC70-5

8395

TSX7191IYLT

TSX7191IYLT

STMicroelectronics

IC OPAMP GP 1 CIRCUIT SOT23-5

2976

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