| Image | Part Number | Description / PDF | Quantity | Rfq |
|---|---|---|---|---|
 |
Analog Devices, Inc. |
IC AUDIO 1 CIRCUIT 8SOIC |
85521 |
|
 |
Analog Devices, Inc. |
IC OPAMP CFA 1 CIRCUIT DDPAK-7 |
142 |
|
 |
Analog Devices, Inc. |
IC OPAMP GP 2 CIRCUIT TSOT23-8 |
0 |
|
 |
Analog Devices, Inc. |
IC OPAMP GP 4 CIRCUIT 14SO |
0 |
|
 |
Analog Devices, Inc. |
IC OPAMP VFB 2 CIRCUIT 8LFCSP |
368 |
|
 |
Analog Devices, Inc. |
IC OPAMP GP 2 CIRCUIT 8CERDIP |
25 |
|
 |
Analog Devices, Inc. |
IC VOLTAGE FEEDBACK 1 CIRC 8SOIC |
55209 |
|
 |
Analog Devices, Inc. |
VIDEO AMPLIFIER, 1 CHANNEL(S), P |
0 |
|
 |
Analog Devices, Inc. |
IC OPAMP GP 2 CIRCUIT 8SO |
2674 |
|
 |
Analog Devices, Inc. |
IC OPAMP GP 4 CIRCUIT 14SOIC |
0 |
|
 |
Analog Devices, Inc. |
IC CURR SENSE 1 CIRCUIT 8MSOP |
0 |
|
 |
Analog Devices, Inc. |
IC GP OPAMP 2 CIRCUIT 8SOIC |
2338 |
|
 |
Analog Devices, Inc. |
IC OPAMP VFB 2 CIRCUIT 8DFN |
162 |
|
 |
Analog Devices, Inc. |
IC BUFFER 1 CIRCUIT 10DFN |
0 |
|
 |
Analog Devices, Inc. |
IC OPAMP VFB 1 CIRCUIT 8LFCSP |
1 |
|
 |
Analog Devices, Inc. |
IC VOLT FEEDBACK 1CIRC SOT23-5 |
20654 |
|
 |
Analog Devices, Inc. |
LOW IN CURRENT OP AMP |
1145 |
|
 |
Analog Devices, Inc. |
IC VOLT FEEDBACK 1CIRC SOT23-5 |
11443 |
|
 |
Analog Devices, Inc. |
IC OPAMP CFA 1 CIRCUIT 8SO |
48 |
|
 |
Analog Devices, Inc. |
IC OPAMP ZERO-DRIFT 2 CIRC 10DFN |
0 |
|
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.
| 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 |
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).
| 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 |
| 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) |
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
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