Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps

Image Part Number Description / PDF Quantity Rfq
AD797BRZ

AD797BRZ

Analog Devices, Inc.

IC OPAMP GP 1 CIRCUIT 8SOIC

206

AMP03GPZ

AMP03GPZ

Analog Devices, Inc.

IC OPAMP DIFF 1 CIRCUIT 8DIP

1000

LT1816ACMS#TRPBF

LT1816ACMS#TRPBF

Analog Devices, Inc.

IC OPAMP VFB 2 CIRCUIT 10MSOP

0

ADA4528-1ARMZ-RL

ADA4528-1ARMZ-RL

Analog Devices, Inc.

IC OPAMP ZERO-DRIFT 1 CIRC 8MSOP

0

LT1884AIS8#TRPBF

LT1884AIS8#TRPBF

Analog Devices, Inc.

IC OPAMP GP 2 CIRCUIT 8SO

0

AD713JRZ-16

AD713JRZ-16

Analog Devices, Inc.

IC OPAMP JFET 4 CIRCUIT 16SOIC

4969

LT1001CS8#TRPBF

LT1001CS8#TRPBF

Analog Devices, Inc.

IC OPAMP GP 1 CIRCUIT 8SO

1094

MAX492CSA

MAX492CSA

Analog Devices, Inc.

IC GP OPAMP 2 CIRCUIT 8SOIC

3000

AD8627AR

AD8627AR

Analog Devices, Inc.

IC OPAMP JFET 1 CIRCUIT 8SOIC

9771

LT6005CGN#TRPBF

LT6005CGN#TRPBF

Analog Devices, Inc.

IC OPAMP GP 4 CIRCUIT 16SSOP

0

AD8628WAUJZ-R7

AD8628WAUJZ-R7

Analog Devices, Inc.

IC OPAMP ZERO-DRIFT 1 CIRC TSOT5

3229

AD8608ARZ-REEL7

AD8608ARZ-REEL7

Analog Devices, Inc.

IC OPAMP GP 4 CIRCUIT 14SOIC

0

LT6005HDHC#TRPBF

LT6005HDHC#TRPBF

Analog Devices, Inc.

IC OPAMP GP 4 CIRCUIT 16DFN

0

PM156ARC/883C

PM156ARC/883C

Analog Devices, Inc.

OPERATIONAL AMPLIFIER

812

AD8557ACPZ-REEL7

AD8557ACPZ-REEL7

Analog Devices, Inc.

IC OPAMP ZER-DRIFT 1CIRC 16LFCSP

1908

AD8079AR-REEL

AD8079AR-REEL

Analog Devices, Inc.

IC BUFFER 2 CIRCUIT 8SOIC

10000

LTC6115HMS#TRPBF

LTC6115HMS#TRPBF

Analog Devices, Inc.

IC CURR SENSE 2 CIRCUIT 16MSOP

0

AD8276ARMZ-RL

AD8276ARMZ-RL

Analog Devices, Inc.

IC OPAMP DIFF 1 CIRCUIT 8MSOP

7395

AD8619ARZ-REEL

AD8619ARZ-REEL

Analog Devices, Inc.

IC GP OPAMP 4 CIRCUIT 14SOIC

4785

AD8627AKSZ-R2

AD8627AKSZ-R2

Analog Devices, Inc.

IC OPAMP JFET 1 CIRCUIT SC70-5

788

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