Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps

Image Part Number Description / PDF Quantity Rfq
LM307J

LM307J

Rochester Electronics

OPERATIONAL AMPLIFIER

133

UA741MJ/B

UA741MJ/B

Rochester Electronics

OPERATIONAL AMPLIFIER

1928

CA3140AT

CA3140AT

Rochester Electronics

OPERATIONAL AMPLIFIER

0

LM107H/883

LM107H/883

Rochester Electronics

LM107 - OPERATIONAL AMPLIFIER, 1

3

HA2-2541-2

HA2-2541-2

Rochester Electronics

OPERATIONAL AMPLIFIER

286

HA2-5102-2

HA2-5102-2

Rochester Electronics

OPERATIONAL AMPLIFIER

205

LM7709AJ/883

LM7709AJ/883

Rochester Electronics

DUAL MARKED (7800701CA)

1218

CA3080AM-G

CA3080AM-G

Rochester Electronics

ROHS OPERATIONAL AMPLIFIER

936

CLC522A/BCA

CLC522A/BCA

Rochester Electronics

DUAL MARKED (5962-9451701MCA)

820

HA7-5221/B

HA7-5221/B

Rochester Electronics

OPERATIONAL AMPLIFIER

192

CLC412A/B2A

CLC412A/B2A

Rochester Electronics

DUAL MARKED (5962-9471901M2A)

454

CLC432A/BPA

CLC432A/BPA

Rochester Electronics

DUAL MARKED (5962-9472502MPA)

490

OP07J8/883

OP07J8/883

Rochester Electronics

OP AMP; LOW-OFFSET

265

CLC431A/BCA

CLC431A/BCA

Rochester Electronics

DUAL MARKED (5962-9472501MCA)

533

CLC505AJ/B

CLC505AJ/B

Rochester Electronics

OPERATIONAL AMPLIFIER

645

LM7709AH/883

LM7709AH/883

Rochester Electronics

DUAL MARKED (7800701GA)

586

TL060ID

TL060ID

Rochester Electronics

OPERATIONAL AMPLIFIER

2739

CA0741T

CA0741T

Rochester Electronics

OPERATIONAL AMPLIFIER

222

CA3080A

CA3080A

Rochester Electronics

OPERATIONAL AMPLIFIER

0

CLC449A/BPA

CLC449A/BPA

Rochester Electronics

DUAL MARKED (5962-9752001MPA)

210

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