Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps

Image Part Number Description / PDF Quantity Rfq
AD8615AUJZ-REEL7

AD8615AUJZ-REEL7

Analog Devices, Inc.

IC OPAMP GP 1 CIRCUIT TSOT23-5

3773

AD8605ACB-REEL7

AD8605ACB-REEL7

Analog Devices, Inc.

IC GP OPAMP 1 CIRCUIT 5WLCSP

27842

LTC2050HS5#TRPBF

LTC2050HS5#TRPBF

Analog Devices, Inc.

IC OPAMP ZER-DRIFT 1CIR TSOT23-5

0

AD621AN

AD621AN

Analog Devices, Inc.

IC INST AMP 1 CIRCUIT 8DIP

0

ADR827ARMZ-REEL7

ADR827ARMZ-REEL7

Analog Devices, Inc.

IC GP OPAMP 1 CIRCUIT 10MSOP

16161

LT1014CN#PBF

LT1014CN#PBF

Analog Devices, Inc.

IC OPAMP GP 4 CIRCUIT 14DIP

930

JM38510/13501BPA

JM38510/13501BPA

Analog Devices, Inc.

IC OPAMP GP 1 CIRCUIT 8CERDIP

0

AD8692ARZ-REEL7

AD8692ARZ-REEL7

Analog Devices, Inc.

IC OPAMP GP 2 CIRCUIT 8SOIC

0

ADA4899-1YRDZ-RL

ADA4899-1YRDZ-RL

Analog Devices, Inc.

IC OPAMP VFB 1 CIRCUIT 8SOIC

0

LTC6228HS8#PBF

LTC6228HS8#PBF

Analog Devices, Inc.

IC OPAMP GP 1 CIRCUIT 8SO

687

MAX4220EEE

MAX4220EEE

Analog Devices, Inc.

IC VOLTAGE FEEDBACK 4CIRC 16QSOP

1392

AD684JQ

AD684JQ

Analog Devices, Inc.

SAMPLE AND HOLD CIRCUIT, 4 FUNC,

698

MAX4266EUA

MAX4266EUA

Analog Devices, Inc.

IC VOLTAGE FEEDBACK 1 CIRC 8UMAX

2263

ADA4528-2ACPZ-RL

ADA4528-2ACPZ-RL

Analog Devices, Inc.

LOW NOISE RRIO ZERO DRIFT DUAL O

9169

ADA4084-1ARZ

ADA4084-1ARZ

Analog Devices, Inc.

IC OPAMP GP 1 CIRCUIT 8SOIC

1240

LTC6262HMS#TRPBF

LTC6262HMS#TRPBF

Analog Devices, Inc.

IC OPAMP GP 2 CIRCUIT 10MSOP

0

AD706JR-REEL7

AD706JR-REEL7

Analog Devices, Inc.

IC GP OPAMP 2 CIRCUIT 8SOIC

670

AD8538AUJZ-REEL

AD8538AUJZ-REEL

Analog Devices, Inc.

IC ZERO-DRIFT 1 CIRCUIT TSOT5

1026

LTC6088HGN#TRPBF

LTC6088HGN#TRPBF

Analog Devices, Inc.

IC OPAMP GP 4 CIRCUIT 16SSOP

0

ADA4077-1ARZ-R7

ADA4077-1ARZ-R7

Analog Devices, Inc.

IC OPAMP GP 1 CIRCUIT 8SOIC

634

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