Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps

Image Part Number Description / PDF Quantity Rfq
LT1492CN8#PBF

LT1492CN8#PBF

Analog Devices, Inc.

IC OPAMP GP 2 CIRCUIT 8DIP

164

OP285GS-REEL7

OP285GS-REEL7

Analog Devices, Inc.

DUAL BUTLER AMPLIFIER IC

1094

ADA4004-4ARZ

ADA4004-4ARZ

Analog Devices, Inc.

IC OPAMP GP 4 CIRCUIT 14SOIC

147

LTC2054HVIS5#TRPBF

LTC2054HVIS5#TRPBF

Analog Devices, Inc.

IC OPAMP ZER-DRIFT 1CIR TSOT23-5

0

LT1815CS5#TRMPBF

LT1815CS5#TRMPBF

Analog Devices, Inc.

IC OPAMP VFB 1 CIRCUIT TSOT23-5

1768

LT1469CN8#PBF

LT1469CN8#PBF

Analog Devices, Inc.

IC OPAMP GP 2 CIRCUIT 8DIP

93

ADA4000-1ARZ-R7

ADA4000-1ARZ-R7

Analog Devices, Inc.

IC OPAMP JFET 1 CIRCUIT 8SOIC

3551

AD713JRZ-16-REEL

AD713JRZ-16-REEL

Analog Devices, Inc.

IC OPAMP JFET 4 CIRCUIT 16SOIC

759

LTC6084CMS8#TRPBF

LTC6084CMS8#TRPBF

Analog Devices, Inc.

IC OPAMP GP 2 CIRCUIT 8MSOP

0

LTC1992-1IMS8#PBF

LTC1992-1IMS8#PBF

Analog Devices, Inc.

IC OPAMP DIFF 1 CIRCUIT 8MSOP

369

LTC6256IDC#TRMPBF

LTC6256IDC#TRMPBF

Analog Devices, Inc.

IC OPAMP GP 2 CIRCUIT 8DFN

1723

LT1639HS#TRPBF

LT1639HS#TRPBF

Analog Devices, Inc.

IC OPAMP GP 4 CIRCUIT 14SO

0

AD620BRZ-R7

AD620BRZ-R7

Analog Devices, Inc.

IC INST AMP 1 CIRCUIT 8SOIC

5140

LT1357CN8#PBF

LT1357CN8#PBF

Analog Devices, Inc.

IC OPAMP VFB 1 CIRCUIT 8DIP

302

AD8666WARZ-RL

AD8666WARZ-RL

Analog Devices, Inc.

IC OPAMP GP 2 CIRCUIT 8SOIC

0

AD8056ARZ-REEL

AD8056ARZ-REEL

Analog Devices, Inc.

IC OPAMP VFB 2 CIRCUIT 8SOIC

2179

AD8671ARZ-REEL

AD8671ARZ-REEL

Analog Devices, Inc.

IC OPAMP GP 1 CIRCUIT 8SOIC

340

AD648CN

AD648CN

Analog Devices, Inc.

OPERATIONAL AMPLIFIER

0

LT1674IS#TRPBF

LT1674IS#TRPBF

Analog Devices, Inc.

IC OPAMP GP 4 CIRCUIT 14SO

0

AD604ARZ

AD604ARZ

Analog Devices, Inc.

IC OPAMP VGA 2 CIRCUIT 24SOIC

32

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