Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps

Image Part Number Description / PDF Quantity Rfq
AD5749ACPZ

AD5749ACPZ

Analog Devices, Inc.

IC INST AMP 1 CIRCUIT 32LFCSP

399

MAX4274BKESA

MAX4274BKESA

Analog Devices, Inc.

IC GP OPAMP 2 CIRCUIT 8SOIC

526

LT1167AIS8-1#TRPBF

LT1167AIS8-1#TRPBF

Analog Devices, Inc.

IC INST AMP 1 CIRCUIT 8SO

0

AD843KN

AD843KN

Analog Devices, Inc.

IC GP OPAMP 1 CIRCUIT 8DIP

759

OP37GSZ-REEL7

OP37GSZ-REEL7

Analog Devices, Inc.

IC OPAMP GP 1 CIRCUIT 8SOIC

50

OP21GZ

OP21GZ

Analog Devices, Inc.

DUAL LOW NOISE/DRIFT OP AMP

7569

MAX4278ESA+

MAX4278ESA+

Analog Devices, Inc.

IC BUFFER 1 CIRCUIT 8SOIC

809

LT1496HS#PBF

LT1496HS#PBF

Analog Devices, Inc.

IC OPAMP GP 4 CIRCUIT 14SO

110

OP17AJ/883C

OP17AJ/883C

Analog Devices, Inc.

PRECISION JFET-INPUT OP AMP

159

LT6100CDD#TRPBF

LT6100CDD#TRPBF

Analog Devices, Inc.

IC CURR SENSE 1 CIRCUIT 8DFN

0

LTC2050HVCS8#PBF

LTC2050HVCS8#PBF

Analog Devices, Inc.

IC OPAMP ZERO-DRIFT 1 CIRC 8SO

920

ADA4806-1ARJZ-R2

ADA4806-1ARJZ-R2

Analog Devices, Inc.

IC OPAMP VFB 1 CIRCUIT SOT23-8

0

ADA4523-1BCPZ

ADA4523-1BCPZ

Analog Devices, Inc.

36V, LOW NOISE, ZERO-DRIFT, 8MHZ

188

AD8639ARMZ-R7

AD8639ARMZ-R7

Analog Devices, Inc.

IC OPAMP ZERO-DRIFT 2 CIRC 8MSOP

749

ADA4807-2ACPZ-R2

ADA4807-2ACPZ-R2

Analog Devices, Inc.

IC OPAMP VFB 2 CIRCUIT 10LFCSP

2488

AD842KQ

AD842KQ

Analog Devices, Inc.

IC GP OPAMP 1 CIRCUIT 14CERDIP

0

AD8134ACPZ-REEL

AD8134ACPZ-REEL

Analog Devices, Inc.

IC OPAMP DIFF 3 CIRCUIT 24LFCSP

0

LT1999HMS8-10#TRPBF

LT1999HMS8-10#TRPBF

Analog Devices, Inc.

IC CURR SENSE 1 CIRCUIT 8MSOP

2408

AD8295BCPZ-R7

AD8295BCPZ-R7

Analog Devices, Inc.

IC INST AMP 3 CIRCUIT 16LFCSP

12

LT6003IS5#TRMPBF

LT6003IS5#TRMPBF

Analog Devices, Inc.

IC OPAMP GP 1 CIRCUIT TSOT23-5

260

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