Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps

Image Part Number Description / PDF Quantity Rfq
TLV2774IN

TLV2774IN

Texas Instruments

IC OPAMP GP 4 CIRCUIT 14DIP

43575

TLV274CD

TLV274CD

Texas Instruments

IC OPAMP GP 4 CIRCUIT 14SOIC

709

INA213AIRSWT

INA213AIRSWT

Texas Instruments

IC CURR SENSE 1 CIRCUIT 10UQFN

0

OPA551PA

OPA551PA

Texas Instruments

IC OPAMP GP 1 CIRCUIT 8DIP

819

ISO100AP

ISO100AP

Texas Instruments

IC OPAMP ISOL 1 CIRCUIT 18CDIP

455

OPA377AIDR

OPA377AIDR

Texas Instruments

IC OPAMP GP 1 CIRCUIT 8SOIC

1279

TLV2434IPWG4

TLV2434IPWG4

Texas Instruments

IC OPAMP GP 4 CIRCUIT 14TSSOP

0

TLC25L4ACNE4

TLC25L4ACNE4

Texas Instruments

OPERATIONAL AMPLIFIER

248

LP2902PWR

LP2902PWR

Texas Instruments

IC OPAMP GP 4 CIRCUIT 14TSSOP

0

TLV2404IPWRG4

TLV2404IPWRG4

Texas Instruments

IC OPAMP GP 4 CIRCUIT 14TSSOP

0

LM2902LVIPWR

LM2902LVIPWR

Texas Instruments

IC OPAMP GP 4 CIRCUIT 14TSSOP

0

TLC080CD

TLC080CD

Texas Instruments

TLC080 SINGLE WIDE-BANDWIDTH HIG

32874

OPA4374AIDRG4

OPA4374AIDRG4

Texas Instruments

IC OPAMP GP 4 CIRCUIT 14SOIC

0

TLV2620ID

TLV2620ID

Texas Instruments

OPERATIONAL AMPLIFIER

4678

LM2900DR

LM2900DR

Texas Instruments

LM2900 QUAD, HIGH-GAIN FREQUENCY

39540

LMP8602MM/NOPB

LMP8602MM/NOPB

Texas Instruments

IC CURR SENSE 1 CIRCUIT 8VSSOP

13954

OPA128SM

OPA128SM

Texas Instruments

OPERATIONAL AMPLIFIER

346

TLV2370IPE4

TLV2370IPE4

Texas Instruments

IC GP OPAMP 1 CIRCUIT 8DIP

0

BUF634P

BUF634P

Texas Instruments

IC BUFFER 1 CIRCUIT 8DIP

1021

THS4227D

THS4227D

Texas Instruments

VIDEO PREAMPLIFIER

150

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