Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps

Part Number	Description / PDF	Quantity
MCW34074A Sanyo Semiconductor/ON Semiconductor	IC OPAMP GP 4 CIRCUIT DIE	2398
TLV274DTBR2G Sanyo Semiconductor/ON Semiconductor	OPERATIONAL AMPLIFIER, 3MHZ, LOW	2263
NCS21912DMR2G Sanyo Semiconductor/ON Semiconductor	PRECISION DUAL OPERATIONAL AMPLI	0
NCV20166SN2T1G Sanyo Semiconductor/ON Semiconductor	PRECISION OPERATIONAL AMPLIFIER,	3000
LMV358 Sanyo Semiconductor/ON Semiconductor	IC OPAMP VFB 2 CIRCUIT DIE	0
NCV274DR2G Sanyo Semiconductor/ON Semiconductor	OPERATIONAL AMPLIFIER, 3MHZ, LOW	0
NCV5652MUTWG Sanyo Semiconductor/ON Semiconductor	IC OPAMP GP 2 CIRCUIT 12UDFN	216000
NCV21912DMR2G Sanyo Semiconductor/ON Semiconductor	PRECISION DUAL OPERATIONAL AMPLI	0
NCS20091MUTAG Sanyo Semiconductor/ON Semiconductor	OPERATIONAL AMPLIFIER, 5.5V RAIL	3000
TLV274DR2G Sanyo Semiconductor/ON Semiconductor	OPERATIONAL AMPLIFIER, 3MHZ, LOW	0
NCS20166SN2T1G Sanyo Semiconductor/ON Semiconductor	PRECISION OPERATIONAL AMPLIFIER,	0
NCV272DMR2G Sanyo Semiconductor/ON Semiconductor	R2R DUAL AMPLIFIER 3MHZ OPAMP	3996
NCS20061MUTAG Sanyo Semiconductor/ON Semiconductor	OPERATIONAL AMPLIFIER, 5.5V RAIL	1900
NCV33274ADR2 Sanyo Semiconductor/ON Semiconductor	IC OPAMP GP 4 CIRCUIT 14SOIC	0
MC33202DMR2 Sanyo Semiconductor/ON Semiconductor	IC OPAMP GP 2 CIRCUIT MICRO8	0
NCS2530DTB Sanyo Semiconductor/ON Semiconductor	IC OPAMP CFA 3 CIRCUIT 16TSSOP	0
TCA0372BDWR2 Sanyo Semiconductor/ON Semiconductor	IC OPAMP GP 2 CIRCUIT 16SOIC	0
LM324DTB Sanyo Semiconductor/ON Semiconductor	IC OPAMP GP 4 CIRCUIT 14TSSOP	0
KA334 Sanyo Semiconductor/ON Semiconductor	IC OPAMP GP 2 CIRCUIT 8DIP	0
NE5230DR2 Sanyo Semiconductor/ON Semiconductor	IC OPAMP GP 1 CIRCUIT 8SOIC	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

Type	Functional Characteristics	Application Examples
Instrumentation Amplifiers	High CMRR, low offset voltage, fixed/gain-programmable	Sensor bridges, medical instrumentation, precision data acquisition
Operational Amplifiers	Voltage feedback, high gain, configurable circuits	Active filters, integrators, comparators, audio amplifiers
Buffer Amplifiers	High input impedance, unity gain, drive capability	ADC 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

Parameter	Importance
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

Manufacturer	Product Highlights
Analog Devices	AD8221 (Instrumentation Amp), OP1177 (Precision OP Amp)
TI	LM741 (Classic OP Amp), INA128 (Low-power In-Amp)
STMicroelectronics	TSV912 (Rail-to-Rail OP Amp), LMV358 (Low-voltage Buffer)
Maxim	MAX4463 (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