Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps

Image Part Number Description / PDF Quantity Rfq
AD8512BR

AD8512BR

Analog Devices, Inc.

IC OPAMP JFET 2 CIRCUIT 8SOIC

0

AD603SQ/883B

AD603SQ/883B

Analog Devices, Inc.

IC OPAMP VGA 1 CIRCUIT 8CERDIP

7

LTC2051HVCMS8#TRPBF

LTC2051HVCMS8#TRPBF

Analog Devices, Inc.

IC OPAMP ZERO-DRIFT 2 CIRC 8MSOP

0

LTC6256IMS#PBF

LTC6256IMS#PBF

Analog Devices, Inc.

IC OPAMP GP 2 CIRCUIT 10MSOP

0

AD8224BCPZ-RL

AD8224BCPZ-RL

Analog Devices, Inc.

IC INST AMP 2 CIRCUIT 16LFCSP

0

MAX4354ESD

MAX4354ESD

Analog Devices, Inc.

IC VOLTAGE FEEDBACK 4CIRC 14SOIC

4108

LTC6240IS5#TRPBF

LTC6240IS5#TRPBF

Analog Devices, Inc.

IC OPAMP GP 1 CIRCUIT TSOT23-5

313

ADA4522-4ARUZ

ADA4522-4ARUZ

Analog Devices, Inc.

IC OPAMP ZER-DRIFT 4CIRC 14TSSOP

1718

LTC2067HMS8#PBF

LTC2067HMS8#PBF

Analog Devices, Inc.

IC OPAMP ZERO-DRIFT 2 CIRC 8MSOP

460

MAX4175BNEUK

MAX4175BNEUK

Analog Devices, Inc.

GAINAMP/OPEN-LOOP OP AMP

0

OP220FZ

OP220FZ

Analog Devices, Inc.

DUAL MICROPOWER OP AMP

0

LTC6101VHVAIS5#TRMPBF

LTC6101VHVAIS5#TRMPBF

Analog Devices, Inc.

IC CURR SENSE 1 CIRCUIT TSOT23-5

186

LTC6253CMS#TRPBF

LTC6253CMS#TRPBF

Analog Devices, Inc.

IC OPAMP GP 2 CIRCUIT 10MSOP

0

AD823AR-REEL

AD823AR-REEL

Analog Devices, Inc.

IC OPAMP JFET 2 CIRCUIT 8SOIC

3524

AD8008ARMZ

AD8008ARMZ

Analog Devices, Inc.

IC OPAMP CFA 2 CIRCUIT 8MSOP

53

LT1010CT#06PBF

LT1010CT#06PBF

Analog Devices, Inc.

IC BUFFER 1 CIRCUIT TO220-5

2094

AD8055ARTZ-REEL7

AD8055ARTZ-REEL7

Analog Devices, Inc.

IC OPAMP VFB 1 CIRCUIT SOT23-5

5762

LT6600CDF-10#PBF

LT6600CDF-10#PBF

Analog Devices, Inc.

VERY LOW NOISE, DIFFERENTIAL AMP

205

LT1359IS#TRPBF

LT1359IS#TRPBF

Analog Devices, Inc.

IC OPAMP VFB 4 CIRCUIT 16SO

0

LT1995IMS#PBF

LT1995IMS#PBF

Analog Devices, Inc.

IC OPAMP PGA 1 CIRCUIT 10MSOP

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