AD648CH vs HA3-2405-5
| 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. | Intersil |
| Description | DUAL OP AMP | OPERATIONAL AMPLIFIER |
| Package | Bulk | Bulk |
| Series | - | - |
| Operating Temperature | 0°C ~ 70°C | 0°C ~ 75°C |
| Mounting Type | Surface Mount | Through Hole |
| Package / Case | 8-SOIC (0.154\", 3.90mm Width) | 16-DIP (0.300\", 7.62mm) |
| Supplier Device Package | 8-SOIC | 16-PDIP |
| Current - Supply | 340µA (x2 Channels) | 4.8mA (x4 Channels) |
| Output Type | - | - |
| Number of Circuits | 2 | 4 |
| Voltage - Supply, Single/Dual (±) | ±4.5V ~ 18V | 45V |
| Current - Output / Channel | 15 mA | 20 mA |
| -3db Bandwidth | 1 MHz | - |
| Amplifier Type | J-FET | General Purpose |
| Current - Input Bias | 3 pA | 50 nA |
| Voltage - Input Offset | 300 µV | 4 mV |
| Slew Rate | 1.8V/µs | 30V/µs |
| Gain Bandwidth Product | 1 MHz | 40 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 is Slew Rate and how does it affect op amp performance?
Slew rate is the maximum rate of change of an operational amplifier's output voltage over time. Higher slew rates are good for fast-changing signals and can handle higher frequency inputs, while lower slew rates can cause signal distortion.
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3. How are operational amplifiers used in filter circuits?
Operational amplifiers can be used to build a variety of active filter circuits, including low-pass, high-pass, band-pass, and band-reject filters, which are commonly used for noise removal and signal conditioning in signal processing.
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4. How do buffer amplifiers improve the signal integrity of a system?
Buffer amplifiers ensure distortion-free transmission of signals from source to load by providing impedance matching and current driving capability, preventing signal attenuation and noise interference, especially effective when transmitting over long distances or driving large loads.
