Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps

Image Part Number Description / PDF Quantity Rfq
VCA2612Y/2K

VCA2612Y/2K

Texas Instruments

IC VARIABLE GAIN 2 CIRC 48TQFP

12119

TLV2460QPWG4

TLV2460QPWG4

Texas Instruments

IC GP OPAMP 1 CIRCUIT 8TSSOP

16200

OPA379AIDRG4

OPA379AIDRG4

Texas Instruments

IC OPAMP GP 1 CIRCUIT 8SOIC

0

TLV2620IDBVR

TLV2620IDBVR

Texas Instruments

IC OPAMP GP 1 CIRCUIT SOT23-6

0

LPC662AIM/NOPB

LPC662AIM/NOPB

Texas Instruments

IC OPAMP GP 2 CIRCUIT 8SOIC

1357410

OPA132UA

OPA132UA

Texas Instruments

IC OPAMP GP 1 CIRCUIT 8SOIC

924

LM7372MRX/NOPB

LM7372MRX/NOPB

Texas Instruments

IC OPAMP VFB 2 CIRCUIT 8SOPWRPAD

3955

THS4631DGNG4

THS4631DGNG4

Texas Instruments

IC OPAMP GP 1 CIRCUIT 8MSOP

0

OPA567AIRHGTG4

OPA567AIRHGTG4

Texas Instruments

IC OPAMP GP 1 CIRCUIT 12VQFN

0

OPA2674I-14DG4

OPA2674I-14DG4

Texas Instruments

IC OPAMP CFA 2 CIRCUIT 14SOIC

0

TLC2652C-8DRG4

TLC2652C-8DRG4

Texas Instruments

IC OPAMP ZERO-DRIFT 1 CIRC 8SOIC

0

OPA564AIDWD

OPA564AIDWD

Texas Instruments

IC OPAMP GP 1 CIRCUIT 20HSOP

99

INA212BQDCKRQ1

INA212BQDCKRQ1

Texas Instruments

IC CURR SENSE 1 CIRCUIT SC70-6

0

TLV9001SIDBVR

TLV9001SIDBVR

Texas Instruments

IC CMOS 1 CIRCUIT SOT23-6

5242

TLC2274CDG4

TLC2274CDG4

Texas Instruments

IC OPAMP GP 4 CIRCUIT 14SOIC

0

OPA353UAG4

OPA353UAG4

Texas Instruments

IC OPAMP GP 1 CIRCUIT 8SOIC

0

TLC2262CPWRG4

TLC2262CPWRG4

Texas Instruments

IC OPAMP GP 2 CIRCUIT 8TSSOP

0

TLC2264CPW

TLC2264CPW

Texas Instruments

IC OPAMP GP 4 CIRCUIT 14TSSOP

358

TLC082CDGNR

TLC082CDGNR

Texas Instruments

DUAL 16V, 10MHZ, HIGH OUTPUT DRI

2275

THS4140IDGNR

THS4140IDGNR

Texas Instruments

IC OPAMP DIFF 1 CIRCUIT 8MSOP

1305

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