Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps

Image Part Number Description / PDF Quantity Rfq
TLC27L4BCNS

TLC27L4BCNS

Texas Instruments

IC GP OPAMP 4 CIRCUIT 14SOP

9400

CLC2007ISO8X

CLC2007ISO8X

MaxLinear

IC OPAMP VFB 2 CIRCUIT 8SOIC

38

LMV796MFX/NOPB

LMV796MFX/NOPB

Texas Instruments

IC OPAMP GP 1 CIRCUIT SOT23-5

2841

LTC6102HMS8#PBF

LTC6102HMS8#PBF

Analog Devices, Inc.

IC CURR SENSE 1 CIRCUIT 8MSOP

745

TL082IDR

TL082IDR

Texas Instruments

TL082 DUAL HIGH SLEW RATE JFET-I

60199

LM4250CN/NOPB

LM4250CN/NOPB

Texas Instruments

IC GP OPAMP 1 CIRCUIT 8DIP

0

HA7-5177-7

HA7-5177-7

OPERATIONAL AMPLIFIER

335

LT1058ISW#TRPBF

LT1058ISW#TRPBF

QUAD, JFET INPUT PRECISION HIGH

1000

MAX4197ESA+T

MAX4197ESA+T

Maxim Integrated

IC INST AMP 1 CIRCUIT 8SOIC

5000

NJU7021D

NJU7021D

New Japan Radio (NJR)

IC OPAMP GP 1 CIRCUIT 8DIP

25

TLE2024IDW

TLE2024IDW

Texas Instruments

IC OPAMP GP 4 CIRCUIT 16SOIC

297

LM358SNG

LM358SNG

IC GP OPAMP 2 CIRCUIT 8DIP

1917603

TLV2252QDRQ1

TLV2252QDRQ1

Texas Instruments

TLV2252-Q1 AUTOMOTIVE, ADVANCED

4241

LMV831MG/NOPB

LMV831MG/NOPB

Texas Instruments

IC OPAMP GP 1 CIRCUIT SC70-5

930

LTC2051HVHMS8#TRPBF

LTC2051HVHMS8#TRPBF

Analog Devices, Inc.

IC OPAMP ZERO-DRIFT 2 CIRC 8MSOP

0

TLV2621IDR

TLV2621IDR

Texas Instruments

TLV2621 800 UA/CH, 11MHZ, RRO, L

2300

LT6002IGN#PBF

LT6002IGN#PBF

Analog Devices, Inc.

IC OPAMP GP 4 CIRCUIT 16SSOP

200

TLV2313QDRQ1

TLV2313QDRQ1

Texas Instruments

IC OPAMP GP 2 CIRCUIT 8SOIC

2266

MCP6142T-E/MS

MCP6142T-E/MS

Roving Networks / Microchip Technology

IC OPAMP GP 2 CIRCUIT 8MSOP

2458

OP64AZ

OP64AZ

Analog Devices, Inc.

HIGH-SPEED, WIDE B/W OP AMP

701

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