Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps

Image Part Number Description / PDF Quantity Rfq
MAX4354EUD

MAX4354EUD

Analog Devices, Inc.

IC VOLT FEEDBACK 4CIRC 14TSSOP

4502

AD620ARZ-REEL7

AD620ARZ-REEL7

Analog Devices, Inc.

IC INST AMP 1 CIRCUIT 8SOIC AD620ARZ-REEL7

10064

MAX427MJA

MAX427MJA

Analog Devices, Inc.

PRECISION OPERATIONAL AMPLIFIER

0

OP191GSZ-REEL7

OP191GSZ-REEL7

Analog Devices, Inc.

IC OPAMP GP 1 CIRCUIT 8SOIC

4796

LT6370HMS8#TRPBF

LT6370HMS8#TRPBF

Analog Devices, Inc.

IC INST AMP 1 CIRCUIT 8MSOP

0

LTC6247HTS8#TRMPBF

LTC6247HTS8#TRMPBF

Analog Devices, Inc.

IC OPAMP GP 2 CIRCUIT TSOT23-8

0

ADA4505-4ARUZ-RL

ADA4505-4ARUZ-RL

Analog Devices, Inc.

IC OPAMP VFB 4 CIRCUIT 14TSSOP

0

LT1007IS8#PBF

LT1007IS8#PBF

Analog Devices, Inc.

IC OPAMP GP 1 CIRCUIT 8SO

533

MAX4109ESA

MAX4109ESA

Analog Devices, Inc.

IC GP OPAMP 1 CIRCUIT 8SOIC

0

LT1127CSW#PBF

LT1127CSW#PBF

Analog Devices, Inc.

IC OPAMP GP 4 CIRCUIT 16SO

38

AD8591ARTZ-REEL7

AD8591ARTZ-REEL7

Analog Devices, Inc.

IC OPAMP GP 1 CIRCUIT SOT23-6

8955

MAX2472EUT-T

MAX2472EUT-T

Analog Devices, Inc.

IC BUFFER 1 CIRCUIT SOT23-6

1869

LTC6102IDD#PBF

LTC6102IDD#PBF

Analog Devices, Inc.

IC CURR SENSE 1 CIRCUIT 8DFN

561

LT1468CDD-2#TRPBF

LT1468CDD-2#TRPBF

Analog Devices, Inc.

IC OPAMP GP 1 CIRCUIT 8DFN

0

MAX4321EUK

MAX4321EUK

Analog Devices, Inc.

OPERATIONAL AMPLIFIER

7466

LT6238IGN#PBF

LT6238IGN#PBF

Analog Devices, Inc.

IC OPAMP GP 4 CIRCUIT 16SSOP

0

AD8605ARTZ-R2

AD8605ARTZ-R2

Analog Devices, Inc.

IC OPAMP GP 1 CIRCUIT SOT23-5

14159

AD8091ART-R2

AD8091ART-R2

Analog Devices, Inc.

IC VOLT FEEDBACK 1CIRC SOT23-5

18750

OP184FS-REEL

OP184FS-REEL

Analog Devices, Inc.

IC GP OPAMP 1 CIRCUIT 8SOIC

12460

AD8676ARZ-REEL

AD8676ARZ-REEL

Analog Devices, Inc.

IC OPAMP GP 2 CIRCUIT 8SOIC

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