Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps

Image Part Number Description / PDF Quantity Rfq
PB58A

PB58A

Apex Microtechnology

IC OPAMP POWER 1 CIRCUIT TO3-8

0

PA15FLA

PA15FLA

Apex Microtechnology

IC OPAMP POWER 1 CIRCUIT 10SIP

0

PA83M

PA83M

Apex Microtechnology

IC OPAMP POWER 1 CIRCUIT TO3-8

0

PA89

PA89

Apex Microtechnology

IC OPAMP POWER 1 CIRCUIT 12DIP

0

PA341DF

PA341DF

Apex Microtechnology

IC OPAMP POWER 1 CIRCUIT 24PSOP

0

PB64DP

PB64DP

Apex Microtechnology

IC OPAMP GP 1 CIRCUIT 12PWRSIP

0

PA98

PA98

Apex Microtechnology

IC OPAMP POWER 1 CIRCUIT 12SIP

0

PA78DK

PA78DK

Apex Microtechnology

IC OPAMP POWER 1 CIRCUIT 20PSOP

0

PB51A

PB51A

Apex Microtechnology

IC OPAMP POWER 1 CIRCUIT 12SIP

0

MP400FC

MP400FC

Apex Microtechnology

IC OPAMP POWER 1 CIRCUIT 42DIP

0

MP204KK

MP204KK

Apex Microtechnology

IC OPAMP POWER 4 CIRCUIT MODULE

0

PA93EE

PA93EE

Apex Microtechnology

IC OPAMP POWER 1 CIRCUIT 12SIP

0

PA74M

PA74M

Apex Microtechnology

IC OPAMP POWER 2 CIRCUIT TO3-8

0

PA12A

PA12A

Apex Microtechnology

IC OPAMP POWER 1 CIRCUIT TO3-8

0

PB63DPA

PB63DPA

Apex Microtechnology

IC OPAMP POWER 2 CIRCUIT 12SIP

0

PA07M/883

PA07M/883

Apex Microtechnology

IC OPAMP POWER 1 CIRCUIT TO3-8

0

PA05A

PA05A

Apex Microtechnology

IC OPAMP POWER 1 CIRCUIT 12DIP

0

PA84M

PA84M

Apex Microtechnology

IC OPAMP POWER 1 CIRCUIT TO3-8

0

PA76A

PA76A

Apex Microtechnology

IC OPAMP POWER 2 CIRCUIT TO3-8

0

PA03

PA03

Apex Microtechnology

IC OPAMP POWER 1 CIRCUIT 12DIP

0

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