Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps

Image Part Number Description / PDF Quantity Rfq
LT6200CS6-5#TRPBF

LT6200CS6-5#TRPBF

Analog Devices, Inc.

IC BUFFER 1 CIRCUIT TSOT23-6

0

AD8028AR

AD8028AR

Analog Devices, Inc.

IC VOLTAGE FEEDBACK 2 CIRC 8SOIC

13035

ADA4932-1YCPZ-RL

ADA4932-1YCPZ-RL

Analog Devices, Inc.

IC OPAMP DIFF 1 CIRCUIT 16LFCSP

0

AD8599ARZ

AD8599ARZ

Analog Devices, Inc.

IC OPAMP GP 2 CIRCUIT 8SOIC

1437

OP177GS-REEL

OP177GS-REEL

Analog Devices, Inc.

IC GP OPAMP 1 CIRCUIT 8SOIC

53147

MAX4131EPA

MAX4131EPA

Analog Devices, Inc.

OPERATIONAL AMPLIFIER

1414

LT6233IS6#TRMPBF

LT6233IS6#TRMPBF

Analog Devices, Inc.

IC OPAMP GP 1 CIRCUIT TSOT23-6

21518

LTC6253CMS8#PBF

LTC6253CMS8#PBF

Analog Devices, Inc.

IC OPAMP GP 2 CIRCUIT 8MSOP

446

ADA4004-2ARMZ-RL

ADA4004-2ARMZ-RL

Analog Devices, Inc.

IC OPAMP GP 2 CIRCUIT 8MSOP

0

LTC6101CCS5#TRMPBF

LTC6101CCS5#TRMPBF

Analog Devices, Inc.

IC CURR SENSE 1 CIRCUIT TSOT23-5

6773

LT6275IMS8#PBF

LT6275IMS8#PBF

Analog Devices, Inc.

IC OPAMP VFB 2 CIRCUIT 8MSOP

856

5962-8853801PA

5962-8853801PA

Analog Devices, Inc.

IC OPAMP JFET 2 CIRCUIT 8CERDIP

247

ADA4851-2YRMZ

ADA4851-2YRMZ

Analog Devices, Inc.

IC OPAMP VFB 2 CIRCUIT 8MSOP

0

AD8605ACB-REEL

AD8605ACB-REEL

Analog Devices, Inc.

IC GP OPAMP 1 CIRCUIT 5WLCSP

17725

MAX4286EUT-T

MAX4286EUT-T

Analog Devices, Inc.

IC BUFFER 1 CIRCUIT SOT23-6

12500

LT1127CSW#TRPBF

LT1127CSW#TRPBF

Analog Devices, Inc.

IC OPAMP GP 4 CIRCUIT 16SO

0

LT1211IS8#TRPBF

LT1211IS8#TRPBF

Analog Devices, Inc.

IC OPAMP GP 2 CIRCUIT 8SO

0

MAX4323EUT

MAX4323EUT

Analog Devices, Inc.

OPERATIONAL AMPLIFIER

1305

AD815ARB-24

AD815ARB-24

Analog Devices, Inc.

IC DIFF 2 CIRC 24SOIC W/BATWING

37674

AD8607ARMZ-REEL

AD8607ARMZ-REEL

Analog Devices, Inc.

IC OPAMP GP 2 CIRCUIT 8MSOP

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