Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps

Image Part Number Description / PDF Quantity Rfq
AD8648ARUZ-REEL

AD8648ARUZ-REEL

Analog Devices, Inc.

IC OPAMP GP 4 CIRCUIT 14TSSOP

5945

AD8610ARMZ-R7

AD8610ARMZ-R7

Analog Devices, Inc.

IC OPAMP JFET 1 CIRCUIT 8MSOP

1020

LMH6628MA

LMH6628MA

OP AMP, 2 FUNC, 2000UV OFFSET-MA

8857

CLC4000ISO14X

CLC4000ISO14X

MaxLinear

IC OPAMP VFB 4 CIRCUIT 14SOIC

2402

INA331IDGKR

INA331IDGKR

Texas Instruments

IC INST AMP 1 CIRCUIT 8VSSOP

6912

ISL28210FBZ

ISL28210FBZ

Intersil (Renesas Electronics America)

IC OPAMP JFET 2 CIRCUIT 8SOIC

0

TLE2074AIN

TLE2074AIN

Texas Instruments

IC OPAMP JFET 4 CIRCUIT 14DIP

84

AMP02FPZ

AMP02FPZ

Analog Devices, Inc.

IC INST AMP 1 CIRCUIT 8DIP

1405

BU7266FV-E2

BU7266FV-E2

ROHM Semiconductor

IC CMOS 2 CIRCUIT 8SSOPB

318

RC4558IDGKR

RC4558IDGKR

Texas Instruments

IC OPAMP GP 2 CIRCUIT 8VSSOP

236

LT6234CS8#PBF

LT6234CS8#PBF

Analog Devices, Inc.

IC OPAMP GP 2 CIRCUIT 8SO

0

LM614IWM/NOPB

LM614IWM/NOPB

IC GP OPAMP 4 CIRCUIT 16SOIC

0

LMV641MAE/NOPB

LMV641MAE/NOPB

Texas Instruments

IC OPAMP GP 1 CIRCUIT 8SOIC

282

MCP6V89T-E/ST

MCP6V89T-E/ST

Roving Networks / Microchip Technology

IC CHOPPER 4 CIRC 14TSSOP

2500

AD548AQ

AD548AQ

Analog Devices, Inc.

PRECISION, LOW POWER OP AMP

23523

EL5211AIYEZ-T1

EL5211AIYEZ-T1

RAIL-TO RAIL INPUT-OUTPUT OP AMP

2500

AD8552ARUZ-REEL

AD8552ARUZ-REEL

Analog Devices, Inc.

IC OPAMP ZERO-DRIFT 2CIRC 8TSSOP

6547

AD826AR-REEL

AD826AR-REEL

Analog Devices, Inc.

IC VOLTAGE FEEDBACK 2 CIRC 8SOIC

132

MAX4493AUK

MAX4493AUK

Analog Devices, Inc.

RAIL-RAIL OPERATIONAL AMPLIFIER

1515

AD8592ARMZ-REEL

AD8592ARMZ-REEL

Analog Devices, Inc.

IC OPAMP GP 2 CIRCUIT 10MSOP

2722

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