Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps

Image Part Number Description / PDF Quantity Rfq
AD515AKH

AD515AKH

Analog Devices, Inc.

LOW POWER ELECTROMETER OP AMP

49

LT6011ACS8#PBF

LT6011ACS8#PBF

Analog Devices, Inc.

IC OPAMP GP 2 CIRCUIT 8SO

2979

TLV2464IPWRG4

TLV2464IPWRG4

Texas Instruments

IC OPAMP GP 4 CIRCUIT 14TSSOP

0

OP4177ARU

OP4177ARU

Analog Devices, Inc.

IC GP OPAMP 4 CIRCUIT 14TSSOP

0

TLV2471CDBVRG4

TLV2471CDBVRG4

Texas Instruments

IC OPAMP GP 1 CIRCUIT SOT23-5

0

EL8172ISZ-T7

EL8172ISZ-T7

Intersil (Renesas Electronics America)

IC INST AMP 1 CIRCUIT 8SOIC

530

MAX4077EUA+T

MAX4077EUA+T

Maxim Integrated

IC OPAMP GP 2 CIRCUIT 8UMAX

2500

LT1812IS6#TRPBF

LT1812IS6#TRPBF

Analog Devices, Inc.

IC OPAMP VFB 1 CIRCUIT TSOT23-6

0

LT1260IS#TRPBF

LT1260IS#TRPBF

Analog Devices, Inc.

IC OPAMP CFA 3 CIRCUIT 16SO

0

MAX474EPA+

MAX474EPA+

Analog Devices, Inc.

UAL 10MHZ SINGLE-SUPPLY OP AMP

3508

LT6013AIDD#TRPBF

LT6013AIDD#TRPBF

Analog Devices, Inc.

IC OPAMP GP 1 CIRCUIT 8DFN

0

HA1-5195-7

HA1-5195-7

OPERATIONAL AMPLIFIER

323

MAX4175BNEUK-T

MAX4175BNEUK-T

Analog Devices, Inc.

OPERATIONAL AMPLIFIER

2500

AD8040WARUZ-REEL7

AD8040WARUZ-REEL7

Analog Devices, Inc.

IC OPAMP GP 4 CIRCUIT 14TSSOP

1650

MC33204DTBG

MC33204DTBG

IC GP OPAMP 4 CIRCUIT 14TSSOP

25556

LMC7101AIM5

LMC7101AIM5

Texas Instruments

IC OPAMP GP 1 CIRCUIT SOT23-5

0

OPA631N/250

OPA631N/250

Burr-Brown (Texas Instruments)

IC VOLT FEEDBACK 1CIRC SOT23-5

11000

THS4041IDGN

THS4041IDGN

Texas Instruments

IC VOLT FEEDBACK 1CIRC 8MSOP-PWR

7600

INA115BU

INA115BU

Texas Instruments

IC INST AMP 1 CIRCUIT 16SOIC

3925

ISO124U/1K

ISO124U/1K

Texas Instruments

IC OPAMP ISOLATION 1 CIRC 8SOIC

1259

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