Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps

Image Part Number Description / PDF Quantity Rfq
TLV2402IP

TLV2402IP

Texas Instruments

TLV2402 DUAL MICROPOWER RRIO OPE

19531

INA110SG

INA110SG

Texas Instruments

IC INST AMP 1 CIRCUIT 16CDIP

8

TLV379IDR

TLV379IDR

Texas Instruments

IC OPAMP GP 1 CIRCUIT 8SOIC

922

INA186A4QDBVRQ1

INA186A4QDBVRQ1

Texas Instruments

IC CURR SENSE 1 CIRCUIT

0

UA747CN

UA747CN

Texas Instruments

IC OPAMP GP 2 CIRCUIT 14DIP

1453

TLV2470IDR

TLV2470IDR

Texas Instruments

TLV2470 SINGLE LOW-POWER RAIL-TO

17500

TLC2272AQDRG4Q1

TLC2272AQDRG4Q1

Texas Instruments

IC OPAMP GP 2 CIRCUIT 8SOIC

2453

TLV2231IDBVRG4

TLV2231IDBVRG4

Texas Instruments

IC OPAMP GP 1 CIRCUIT SOT23-5

0

OPA4353EA/250G4

OPA4353EA/250G4

Texas Instruments

IC OPAMP GP 4 CIRCUIT 16SSOP

0

LM324MTX/NOPB

LM324MTX/NOPB

Texas Instruments

IC OPAMP GP 4 CIRCUIT 14TSSOP

6256

TLC074CD

TLC074CD

Texas Instruments

IC OPAMP GP 4 CIRCUIT 14SOIC

864

TLV2632IDR

TLV2632IDR

Texas Instruments

IC OPAMP GP 2 CIRCUIT 8SOIC

1041

LMC6484IN/NOPB

LMC6484IN/NOPB

Texas Instruments

IC OPAMP GP 4 CIRCUIT 14DIP

3981

LMH6646MAX/NOPB

LMH6646MAX/NOPB

Texas Instruments

IC OPAMP VFB 2 CIRCUIT 8SOIC

0

INA2126EA/250

INA2126EA/250

Texas Instruments

IC INST AMP 2 CIRCUIT 16SSOP

156

LM6132BIMX-TI

LM6132BIMX-TI

Texas Instruments

IC GP OPAMP 2 CIRCUIT 8SOIC

57500

PGA207UA/1K

PGA207UA/1K

Texas Instruments

PGA207 HIGH-SPEED PROGRAMMABLE G

18057

OPA2191IDGKT

OPA2191IDGKT

Texas Instruments

IC OPAMP GP 2 CIRCUIT 8VSSOP

438

LM6211MF/NOPB

LM6211MF/NOPB

Texas Instruments

IC OPAMP GP 1 CIRCUIT SOT23-5

11355

OPA2277UAG4

OPA2277UAG4

Texas Instruments

IC OPAMP GP 2 CIRCUIT 8SOIC

917

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