AD648CH vs OP05EZ
| Part Number |
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| Category | Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps | Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps |
| Manufacturer | Analog Devices Inc. | Analog Devices Inc. |
| Description | DUAL OP AMP | INSTRUMENTATION OP AMP |
| Package | Bulk | Bulk |
| Series | - | - |
| Operating Temperature | 0°C ~ 70°C | 0°C ~ 70°C |
| Mounting Type | Surface Mount | Through Hole |
| Package / Case | 8-SOIC (0.154\", 3.90mm Width) | 8-CDIP (0.300\", 7.62mm) |
| Supplier Device Package | 8-SOIC | 8-CERDIP |
| Current - Supply | 340µA (x2 Channels) | - |
| Output Type | - | - |
| Number of Circuits | 2 | 1 |
| Voltage - Supply, Single/Dual (±) | ±4.5V ~ 18V | ±3V ~ 18V |
| Current - Output / Channel | 15 mA | - |
| -3db Bandwidth | 1 MHz | - |
| Amplifier Type | J-FET | Instrumentation |
| Current - Input Bias | 3 pA | 1.2 nA |
| Voltage - Input Offset | 300 µV | 250 µV |
| Slew Rate | 1.8V/µs | 0.3V/µs |
| Gain Bandwidth Product | 1 MHz | - |
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1. How is the noise performance of instrumentation amplifiers optimized?
Select low-noise amplifiers in your design and use shielding, filters, and precise power management to minimize external noise. High-quality resistors should be used wherever possible and PCB layout should be optimized to reduce noise coupling.
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2. What are the main application scenarios of Op Amps?
Operational amplifiers are widely used in signal conditioning, voltage follower, filter, comparator, integrator, differentiator, precision level shifter and other circuits, which are widely used in consumer electronics, industrial automation, and instrumentation.
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3. What is a rail-to-rail operational amplifier and what are its advantages?
Rail-to-rail op amps are capable of extending the output voltage range to the limit of the supply voltage (i.e., the “rail”), allowing them to handle large dynamic range signals even at low supply voltages, making them particularly suitable for low-voltage power supply systems and portable devices.
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4. What is a Buffer Amp and what is its function?
A Buffer Amp is an amplifier with a unit gain that is mainly used in voltage follower circuits to provide a high input impedance and a low output impedance to isolate the signal source from the load and prevent signal distortion or attenuation.
