Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps

Part Number	Description / PDF	Quantity
TC75W54FU,LF Toshiba Electronic Devices and Storage Corporation	IC OPAMP GP 2 CIRCUIT SM8	0
TC75W55FK(TE85L,F) Toshiba Electronic Devices and Storage Corporation	IC OPAMP GP 2 CIRCUIT US8	3340
TC75S67TU,LF Toshiba Electronic Devices and Storage Corporation	IC CMOS 1 CIRCUIT UFV	0
TC75S63TU,LF Toshiba Electronic Devices and Storage Corporation	IC CMOS 1 CIRCUIT UFV	36460
TC75S55F,LF Toshiba Electronic Devices and Storage Corporation	IC OPAMP GP 1 CIRCUIT SMV	2990
TC75W51FK(TE85L,F) Toshiba Electronic Devices and Storage Corporation	IC OPAMP GP 2 CIRCUIT US8	5756
TLP7820(D4ALF4,E Toshiba Electronic Devices and Storage Corporation	IC OPAMP ISOLATION 1 CIRC 16SO	0
TC75S103F,LF(CT Toshiba Electronic Devices and Storage Corporation	SINGLE OPAMP ULTRALOW SUPPLY CUR	5990
TC75S55FU(TE85L,F) Toshiba Electronic Devices and Storage Corporation	IC OPAMP GP 1 CIRCUIT USV	0
TLP7920(D4ALF1,F Toshiba Electronic Devices and Storage Corporation	IC OPAMP ISOLATION 1 CIRCUIT	0
TC75W51FU,LF Toshiba Electronic Devices and Storage Corporation	IC OPAMP GP 2 CIRCUIT SM8	83
TC75W54FK(TE85L,F) Toshiba Electronic Devices and Storage Corporation	IC OPAMP GP 2 CIRCUIT US8	2727
TLP7920(F Toshiba Electronic Devices and Storage Corporation	IC OPAMP ISOLATION 1 CIRC 8DIP	0
TC75S102F,LF(CT Toshiba Electronic Devices and Storage Corporation	SINGLE OP AMP ULTRA-LOW SUPPLY C	5722
TC75S51F,LF Toshiba Electronic Devices and Storage Corporation	IC OPAMP GP 1 CIRCUIT SMV	1983
TLP7920(D4-A,F Toshiba Electronic Devices and Storage Corporation	IC OPAMP ISOLATION 1 CIRC 8DIP	3
TLP7820(D4BLF4,E Toshiba Electronic Devices and Storage Corporation	IC OPAMP ISOLATION 1 CIRCUIT 8SO	0
TA75W558FU,LF Toshiba Electronic Devices and Storage Corporation	IC OPAMP GP 2 CIRCUIT SM8	7071
TLP7920(D4-LF1,F Toshiba Electronic Devices and Storage Corporation	IC OPAMP ISOLATION 1 CIRCUIT	0
TC75S51FUTE85LF Toshiba Electronic Devices and Storage Corporation	IC OPAMP GP 1 CIRCUIT USV	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