Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps

Image Part Number Description / PDF Quantity Rfq
LM108AJ-8/B

LM108AJ-8/B

Rochester Electronics

SUPER GAIN OP AMP

507

MAX4352EUK-T

MAX4352EUK-T

Rochester Electronics

IC VOLT FEEDBACK 1CIRC SOT23-5

13638

LM7709AH/B

LM7709AH/B

Rochester Electronics

OPERATIONAL AMPLIFIER

139

LM107J/883

LM107J/883

Rochester Electronics

DUAL MARKED (5962-8958901PA)

499

LM310J-8

LM310J-8

Rochester Electronics

BUFFER AMPLIFIER, 1 FUNC, CDIP8

1788

HA7-5221-5

HA7-5221-5

Rochester Electronics

OPERATIONAL AMPLIFIER

820

CA3078AT/B

CA3078AT/B

Rochester Electronics

OPERATIONAL AMPLIFIER

109

CA3078AM

CA3078AM

Rochester Electronics

OPERATIONAL AMPLIFIER

1785

LM1536H/883

LM1536H/883

Rochester Electronics

DUAL MARKED (5962-7800304XA)

169

LM146J/B

LM146J/B

Rochester Electronics

OPERATIONAL AMPLIFIER

897

CA3078AT

CA3078AT

Rochester Electronics

OPERATIONAL AMPLIFIER

1227

LM1536J/883

LM1536J/883

Rochester Electronics

LM1536J/883

429

CA3080AM

CA3080AM

Rochester Electronics

OPERATIONAL AMPLIFIER

7952

RM4136J

RM4136J

Rochester Electronics

OPERATIONAL AMPLIFIER

1190

HA7-5137A-5-RE

HA7-5137A-5-RE

Rochester Electronics

OPERATIONAL AMPLIFIER

139

LM709H/B

LM709H/B

Rochester Electronics

OPERATIONAL AMPLIFIER

307

LM614AMJ/883

LM614AMJ/883

Rochester Electronics

DUAL MARKED (5962-9300401MEA)

104

CA3160AE

CA3160AE

Rochester Electronics

OPERATIONAL AMPLIFIER

943

OP37AL

OP37AL

Rochester Electronics

OPERATIONAL AMPLIFIER

79

LM107J-14/883

LM107J-14/883

Rochester Electronics

DUAL MARKED (5962-8958901CA)

1156

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