Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps

Image Part Number Description / PDF Quantity Rfq
ICL7612BCTV

ICL7612BCTV

Analog Devices, Inc.

IC GP OPAMP 1 CIRCUIT TO99-8

0

MAX4185EUB+

MAX4185EUB+

Analog Devices, Inc.

IC CFA 2 CIRCUIT 10UMAX

987

OP275GS-REEL

OP275GS-REEL

Analog Devices, Inc.

IC AUDIO 2 CIRCUIT 8SOIC

2500

AD706ARZ-REEL7

AD706ARZ-REEL7

Analog Devices, Inc.

IC OPAMP GP 2 CIRCUIT 8SOIC

2557

LTC6079IGN#PBF

LTC6079IGN#PBF

Analog Devices, Inc.

IC OPAMP GP 4 CIRCUIT 16SSOP

1384

LT6234CS8#TRPBF

LT6234CS8#TRPBF

Analog Devices, Inc.

IC OPAMP GP 2 CIRCUIT 8SO

0

OP177FSZ

OP177FSZ

Analog Devices, Inc.

IC OPAMP GP 1 CIRCUIT 8SOIC

4973

OP262TRZ-EP-R7

OP262TRZ-EP-R7

Analog Devices, Inc.

IC OPAMP GP 2 CIRCUIT 8SOIC

99

LT1996IDD#TRPBF

LT1996IDD#TRPBF

Analog Devices, Inc.

IC OPAMP PGA 1 CIRCUIT 10DFN

0

OP32FZ

OP32FZ

Analog Devices, Inc.

PROGRAMMABLE OP AMP

1044

MAX4451EKA-T

MAX4451EKA-T

Analog Devices, Inc.

IC VOLT FEEDBACK 2CIRC SOT23-8

59609

LT1996IMS#PBF

LT1996IMS#PBF

Analog Devices, Inc.

IC OPAMP PGA 1 CIRCUIT 10MSOP

0

AD8421ARZ

AD8421ARZ

Analog Devices, Inc.

IC INST AMP 1 CIRCUIT 8SOIC

63

AD8608ARZ

AD8608ARZ

Analog Devices, Inc.

IC OPAMP GP 4 CIRCUIT 14SOIC

0

82036012A

82036012A

Analog Devices, Inc.

OP AMP,25UV OFFSET-MAX, BIPOLAR

70

LT6204CS#TRPBF

LT6204CS#TRPBF

Analog Devices, Inc.

IC OPAMP GP 4 CIRCUIT 14SO

0

AD8048AN

AD8048AN

Analog Devices, Inc.

IC VOLTAGE FEEDBACK 1 CIRC 8DIP

61338

AD8205YRZ-RL

AD8205YRZ-RL

Analog Devices, Inc.

IC OPAMP DIFF 1 CIRCUIT 8SOIC

402

AD8661ARZ-REEL

AD8661ARZ-REEL

Analog Devices, Inc.

IC OPAMP GP 1 CIRCUIT 8SOIC

0

AD8223ARM

AD8223ARM

Analog Devices, Inc.

IC INST AMP 1 CIRCUIT 8MSOP

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